Sharp CD-C4400 Wartungshandbuch

Stöbern Sie online oder laden Sie Wartungshandbuch nach Laser- / LED-Drucker Sharp CD-C4400 herunter. Sharp CD-C4400 Service manual Benutzerhandbuch

  • Herunterladen
  • Zu meinen Handbüchern hinzufügen
  • Drucken
  • Seite
    / 296
  • Inhaltsverzeichnis
  • FEHLERBEHEBUNG
  • LESEZEICHEN
  • Bewertet. / 5. Basierend auf Kundenbewertungen

Inhaltsverzeichnis

Seite 1

servicehp LaserJet 2300series printer

Seite 2

8 ENWW8 Parts and diagramsOrdering parts and supplies and getting support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242P

Seite 3

98 Theory of operation ENWWAutomatic duplexerFigure 31. Automatic duplexer pathFigure 32. Automatic duplexer feed and delivery

Seite 4 - Trademark credits

ENWW Chapter 5 Theory of operation 99Formatter systemThe formatter system is responsible for the following: ● receiving and processing data from the v

Seite 5 - Contents

100 Theory of operation ENWWFormatter hardwareThe formatter system contains the following: ● CPU—Is a 266 Mhz RISC microprocessor.● Read-only memory

Seite 6

ENWW Chapter 5 Theory of operation 101Formatter subsystemResolution Enhancement technology (300 and 600 dpi only)This subsystem contains circuitry for

Seite 7 - 5 Theory of operation

102 Theory of operation ENWWPrinter Job Language overview Printer Job Language (PJL) is an integral part of the printer’s configuration, in addition t

Seite 8

ENWW Chapter 5 Theory of operation 103Sheet feedersHP LaserJet 2300 series printers can use two optional sheet feeders: the 250-sheet feeder and the 5

Seite 9

104 Theory of operation ENWWFigure 34. Sheet-feeder pickup and feedTop output bindelivery rollersReverse motor drive signalMain motor drive signalPow

Seite 10 - 8 Parts and diagrams

ENWW Chapter 5 Theory of operation 105Media detectionThe model for media detection is essentially the same for all three trays.The paper sensor levers

Seite 11

106 Theory of operation ENWWJam detectionThe following mechanisms detect the presence of media and paper-feed conditions: ● top-of-page sensor (PS

Seite 12

ENWW Chapter 5 Theory of operation 107Delivery sensorsDelivery delay jamA delivery delay jam is assessed if the media does not reach the delivery sens

Seite 13

Figures 9FiguresFigure 1. Locations of identification labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19Figure 2.

Seite 14 - Figures

108 Theory of operation ENWWAutomatic duplexer sensorsDuplexer pickup delay jamA duplexer pickup delay jam is assessed if the duplexer pickup paper se

Seite 15

ENWW Chapter 6 Removal and replacement 1096 Removal and replacementChapter contentsRemoval and replacement strategies . . . . . . . . . . . . . . . .

Seite 16

110 Removal and replacement ENWWTrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Seite 17 - 1 Product description

ENWW Chapter 6 Removal and replacement 111Removal and replacement strategiesThis chapter documents the removal and replacement of the field-replaceabl

Seite 18 - Printer configurations

112 Removal and replacement ENWWBefore you begin 1 Unplug the power and communications cables.2 Lift the printer off of the optional tray (if installe

Seite 19 - Printer features

ENWW Chapter 6 Removal and replacement 113CoversI/O cover1 Press two release buttons (callout 1) on the back of the I/O cover.2 Rotate the back of the

Seite 20 - NERGY STAR

114 Removal and replacement ENWWPrint server1 Open or remove the I/O cover (see page 113).2 Unscrew two thumb screws (callout 1).3 Remove the print se

Seite 21 - Identification

ENWW Chapter 6 Removal and replacement 115DIMM cover1 Remove the I/O cover (see page 113).2 Release two tabs—one at the top of the printer (callout 1)

Seite 22 - Specifications

116 Removal and replacement ENWWRear cover1 Remove the following covers:• I/O cover (see page 113) • DIMM cover (page 115)2 Open the rear output bin a

Seite 23 - Operating environment

ENWW Chapter 6 Removal and replacement 1173 Lower the rear output bin to the work surface, and then remove two screws (callout 2) from the rear cover.

Seite 24 - Product overview

10 ENWWFigure 53. Removing the tray 1 assembly (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128Figure 54. Removing the tr

Seite 25 - Safety information

118 Removal and replacement ENWW4 Lift up the rear output bin with one hand and then use a flatblade screwdriver to release two tabs (callout 3)—one o

Seite 26 - Declaration of conformity

ENWW Chapter 6 Removal and replacement 119Front cover1 Remove the following covers:• I/O cover (see page 113)• DIMM cover (page 115)• rear cover (page

Seite 27 - Protecting the environment

120 Removal and replacement ENWWControl panel1 Remove the following covers• I/O cover (see page 113)• DIMM cover (page 115)• rear cover (page 116)• fr

Seite 28 - Material safety data sheet

ENWW Chapter 6 Removal and replacement 121Top-cover assembly1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page

Seite 29 - Service approach

122 Removal and replacement ENWW5 Remove two screws (callout 1) from the top cover at the back of the printer.Figure 47. Removing the top-cover assem

Seite 30 - World Wide Web

ENWW Chapter 6 Removal and replacement 1236 Use a flatblade screwdriver to release one tab (callout 2) at the left side of the top cover.Figure 48. R

Seite 31 - 2 Installation

124 Removal and replacement ENWWLeft-side coverRemove the following assemblies:1 Remove the following covers and assemblies• I/O cover (see page 113)•

Seite 32 - Site requirements

ENWW Chapter 6 Removal and replacement 125Power switch1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 On the i

Seite 33 - Printer space requirements

126 Removal and replacement ENWWTray 1 assembly1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Open tray 1.3 L

Seite 34 - 32 Installation ENWW

ENWW Chapter 6 Removal and replacement 127Note In figure 52, the tray 1 guide (callout 5; also shown as callout 5 in figure 51 on page 126) is shown i

Seite 35 - Interface ports

11Figure 112. General printer-component locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230Figure 113. Locations of sw

Seite 36 - Media specifications

128 Removal and replacement ENWW8 Disengage the right and left hinges from the tray 1 guide and then rotate each hinge down to slide it off of its key

Seite 37 - Tray 1 media sizes

ENWW Chapter 6 Removal and replacement 1299 Use needle-nose pliers to unhook two springs (callout 8)—one at each side of the printer frame—and then li

Seite 38

130 Removal and replacement ENWWInternal assembliesTray 1 pickup roller1 Remove the following covers• I/O cover (see page 113)• DIMM cover (page 115)•

Seite 39

ENWW Chapter 6 Removal and replacement 1314 Rotate the pickup roller and lift it off of the pickup roller shaft.Figure 56. Removing the tray 1 pickup

Seite 40

132 Removal and replacement ENWWPickup sensor flag1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Use a flatbl

Seite 41 - Envelope specifications

ENWW Chapter 6 Removal and replacement 133Tray 1 separation pad1 Remove the following covers and assemblies• all covers and the control-panel assembly

Seite 42 - Envelope margins

134 Removal and replacement ENWW3 Pull the tray 1 separation-pad assembly out of the printer.Figure 59. Removing the tray 1 separation pad (2 of 3)

Seite 43 - Label specifications

ENWW Chapter 6 Removal and replacement 1354 Use a flatblade screwdriver to pry the separation pad off of the assembly.Figure 60. Removing the tray 1

Seite 44 - Transparency specifications

136 Removal and replacement ENWWTray 2 pickup roller1 Remove tray 2 and place the printer so that it rests on its rear cover.2 Use a flatblade screwdr

Seite 45 - Paper fillers

ENWW Chapter 6 Removal and replacement 1373 Slide the lever toward the left side of the printer and through the hole to remove it.4 Slide the pickup r

Seite 47 - Metric Sizes

138 Removal and replacement ENWW5 Use a flatblade screwdriver to release the tab on the lever (callout 2) at the right side of the pickup roller6 Rota

Seite 48 - Moisture-content field test

ENWW Chapter 6 Removal and replacement 139Tray 2 and 250-sheet feeder separation pad1 Slide tray 2 or the media tray of a 250-sheet feeder out of the

Seite 49 - Curl field test

140 Removal and replacement ENWWFan1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Unplug the fan cable connec

Seite 50 - Cut-edge condition field test

ENWW Chapter 6 Removal and replacement 141Fuser1 Remove the following covers:• I/O cover (see page 113)• DIMM cover (page 115)• rear cover (page 116)2

Seite 51 - Tools and suppliers

142 Removal and replacement ENWW3 Use a small flatblade screwdriver to disengage the tab on one connector (callout 2) and then unplug the connector.4

Seite 52 - 50 Installation ENWW

ENWW Chapter 6 Removal and replacement 143Laser/scanner1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Unplug

Seite 53 - 3 Operation

144 Removal and replacement ENWWLaser/scanner plate1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Unplug the

Seite 54

ENWW Chapter 6 Removal and replacement 145E-label reader1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Remove

Seite 55 - Control-panel lights

146 Removal and replacement ENWW4 Turn the laser/scanner plate over and then use a flatblade screwdriver to pry the e-label reader out of its assembly

Seite 56 - Printing control-panel menus

ENWW Chapter 6 Removal and replacement 147Formatter1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)• rea

Seite 57 - Control-panel menus—user

Tables 13TablesTable 1. Features for each configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18Table 2. Physi

Seite 58 - Information menu

148 Removal and replacement ENWWDrive assembly1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)• rear cov

Seite 59 - Paper-handling menu

ENWW Chapter 6 Removal and replacement 1495 Remove eight screws (callout 4).Figure 74. Removing the drive assembly (2 of 3)Reinstall noteBefore repla

Seite 60 - Item Values Explanation

150 Removal and replacement ENWW6 Guide the cables through the hole in the printer frame and then gently rotate the top of the drive assembly away fro

Seite 61 - Configure device menu

ENWW Chapter 6 Removal and replacement 151Main motor1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)• re

Seite 62 - 60 Operation ENWW

152 Removal and replacement ENWWFlat, flexible cable1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)• re

Seite 63 - Print-quality submenu

ENWW Chapter 6 Removal and replacement 153Engine controller PCA1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (pa

Seite 64 - 62 Operation ENWW

154 Removal and replacement ENWW3 Unplug two connectors (callout 3).4 Unplug the flat, flexible cable (callout 4) from the laser/scanner.Figure 79. R

Seite 65 - ENWW Chapter 3 Operation 63

ENWW Chapter 6 Removal and replacement 1555 Remove two screws (callouts 5 and 6; callout 6 indicates a grounding screw).6 Rotate the bottom of the ass

Seite 66 - System-setup submenu

156 Removal and replacement ENWW7 Unplug the remaining four connectors and the flat, flexible cable from the engine controller PCA.Figure 81. Removin

Seite 67 - ELECT)

ENWW Chapter 6 Removal and replacement 1578 Remove one screw (callout 7) from the engine controller PCA.Figure 82. Removing the engine controller PCA

Seite 69 - I/O submenu

158 Removal and replacement ENWWSolenoidThe three solenoids can be removed by removing one screw from each solenoid. Figure 83 shows each of the solen

Seite 70 - 68 Operation ENWW

ENWW Chapter 6 Removal and replacement 159Access plate1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)•

Seite 71 - ENWW Chapter 3 Operation 69

160 Removal and replacement ENWW4 Press the spring (callout 2) while rotating the access plate to release the access plate from the printer frame.Figu

Seite 72 - Resets submenu

ENWW Chapter 6 Removal and replacement 1615 Lift one corner of the access plate off of the pin (callout 3) and then slide the access plate off of the

Seite 73 - Diagnostics menu

162 Removal and replacement ENWWPower supply1 Remove the following covers and assemblies:• I/O cover (see page 113)• DIMM cover (page 115)• rear cover

Seite 74 - Control-panel menus—service

ENWW Chapter 6 Removal and replacement 1633 Use a small, flatblade screwdriver to release the tab on one connector (callout 2) and then unplug the con

Seite 75

164 Removal and replacement ENWW4 Remove four screws (callout 3) from the bottom plate.5 Remove one screw (callout 4) from the grounding plate.Note If

Seite 76

ENWW Chapter 6 Removal and replacement 1656 Lift the bottom plate slightly to reveal the power-supply PCA.7 Release the tab on one connector (callout

Seite 77 - Cleaning the printer

166 Removal and replacement ENWW8 Remove four screws (callout 6) from the power-supply PCA.Figure 91. Removing the power supply (5 of 6)26

Seite 78 - Cleaning the fuser

ENWW Chapter 6 Removal and replacement 1679 Use needle-nose pliers to pinch the plastic pin (callout 7) and lift the power-supply PCA off of the botto

Seite 79 - Managing the print cartridge

ENWW Chapter 1 Product description 151 Product descriptionChapter contentsPrinter configurations . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 80 - Print-cartridge storage

168 Removal and replacement ENWWReinstall notesBefore reinstalling the power-supply PCA, make sure that the six spring-contacts (callout 7) are in pla

Seite 81 - Checking the supply level

ENWW Chapter 6 Removal and replacement 169Top-output-bin delivery assembly1 Remove the following covers and assemblies:• all covers and the control-pa

Seite 82 - ELECT) for each print job

170 Removal and replacement ENWW3 Separate the tabs that secure the bushing to the frame at the left side of the printer.Figure 95. Removing the top-

Seite 83 - Supplies status page

ENWW Chapter 6 Removal and replacement 1716 To remove the small rollers, rotate the roller holders toward the back of the printer until the hinges are

Seite 84 - 82 Printer maintenance ENWW

172 Removal and replacement ENWWRegistration-roller assembly1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Re

Seite 85

ENWW Chapter 6 Removal and replacement 1733 Use a flatblade screwdriver to press the tab on the registration roller gear at the right side of the prin

Seite 86 - Introduction

174 Removal and replacement ENWWTransfer roller1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Remove the lase

Seite 87 - Power-on sequence

ENWW Chapter 6 Removal and replacement 175Feed belts1 Remove all of the covers and the control-panel assembly (see pages 113 through 124).2 Remove the

Seite 88 - Engine control system

176 Removal and replacement ENWWTrays250-sheet feeder and 500-sheet feeder pickup roller Note Procedures for removing the pickup roller from a 250-she

Seite 89 - Laser/scanner system

ENWW Chapter 6 Removal and replacement 1776 Use the flatblade screwdriver to disengage the white, plastic lever (callout 3), and then rotate the tab t

Seite 90 - Image-formation system

16 Product description ENWWPrinter configurationsThe HP LaserJet 2300 series printer is available in six configurations. Note The illustrations in thi

Seite 91 - Image-formation process

178 Removal and replacement ENWW500-sheet feeder separation padNote See page 139 for procedures for removing the separation pad from a 250-sheet feede

Seite 92 - Step 2: laser-beam exposure

ENWW Chapter 7 Troubleshooting 1797 TroubleshootingChapter contentsTroubleshooting process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 93 - Developing block

180 Troubleshooting ENWWTroubleshooting process Preliminary operating checks Make sure that the following conditions are met before troubleshooting

Seite 94 - Transfer block

ENWW Chapter 7 Troubleshooting 181This list describes the basic questions for the customer to answer and the corresponding troubleshooting section to

Seite 95 - Fusing block

182 Troubleshooting ENWWTroubleshooting process flow Figure 104. Troubleshooting process flowPower-onverification Checks OK?Troubleshootingwith contr

Seite 96 - Drum-cleaning block

ENWW Chapter 7 Troubleshooting 183Power-on It is important to have the printer control panel functional as soon as possible in the troubleshooting pro

Seite 97 - Pickup/feed system

184 Troubleshooting ENWWTroubleshooting with control-panel messages Printer messages appear on the printer control panel display to relay the normal s

Seite 98 - 96 Theory of operation ENWW

ENWW Chapter 7 Troubleshooting 185Troubleshooting the control-panel displayTry to fix common problems before replacing the control-panel display.No di

Seite 99 - Delivery

186 Troubleshooting ENWWInterpreting control-panel messagesMessage Description Recommended actionAccess deniedmenus lockedThe printer control panel fu

Seite 100 - Automatic duplexer

ENWW Chapter 7 Troubleshooting 187Creating... CLEANING PAGEThe printer is generating a cleaning page.No action necessary.DATA RECEIVED One of the foll

Seite 101 - Formatter system

ENWW Chapter 1 Product description 17Printer featuresThe following table describes the features of the HP LaserJet 2300 series printers.Fast print spe

Seite 102 - Formatter hardware

188 Troubleshooting ENWWMANUALLY FEED[TYPE] [SIZE]alternates withTo use another tray press orFor help press orTo continue press The printer is waiti

Seite 103 - Formatter subsystem

ENWW Chapter 7 Troubleshooting 189Processing... <JOB NAME> copy <X> of <Y>The printer is processing the current job. The message ind

Seite 104

190 Troubleshooting ENWWTYPE MISMATCHTRAY [XX]=[TYPE]alternates withReadyFor help press The system detected a different type of media from the type

Seite 105 - Sheet feeders

ENWW Chapter 7 Troubleshooting 19113.XX.YZ JAM IN [LOCATION]alternates withFor help press A jam has occurred in the specified location. XX is the jam

Seite 106 - Engine controller PCA

192 Troubleshooting ENWW22 PARALLEL I/OBUFFER OVERFLOW alternates withTo continue press Too much data was sent to the parallel port.1 Check for a loos

Seite 107 - Media detection

ENWW Chapter 7 Troubleshooting 19341.5 UNEXPECTED TYPE IN TRAY XXalternates withLOAD TRAY [XX]:[TYPE] [SIZE] The printer detected a paper type differe

Seite 108 - Jam detection

194 Troubleshooting ENWW50.X FUSER ERRORFor help press A fuser error has occurred. X can equal one of the following:1 = Low fuser temperature2 = Fuser

Seite 109 - Reversing sensors

ENWW Chapter 7 Troubleshooting 19555.X PRINTER ERRORalternates withTo continueturn off then onA temporary printing error occurred.X can equal one of t

Seite 110 - Paper-feed sensor

196 Troubleshooting ENWW59.X PRINTER ERRORalternates withTo continue turn off then onA temporary motor error occurred. X can equal one of the followin

Seite 111 - 6 Removal and replacement

ENWW Chapter 7 Troubleshooting 19779.XXYYPRINTER ERRORalternates withTo continueturn off then onThe printer detected a critical hardware error.XX repr

Seite 113 - Required tools

18 Product description ENWWThe table below gives a quick summary of the features for each model.Interface connections and networking● The printer incl

Seite 114 - Before you begin

198 Troubleshooting ENWWMedia-handling problemsPrinting a configuration pageThe configuration page lists many of the printer’s current settings and pr

Seite 115 - I/O cover

ENWW Chapter 7 Troubleshooting 199Printing a Jetdirect configuration pageThe printer produces a Jetdirect configuration page when you print a standard

Seite 116 - Print server

200 Troubleshooting ENWWPrinting a usage pageA usage page provides details of the number of pages printed since the printer’s installation and an esti

Seite 117 - DIMM cover

ENWW Chapter 7 Troubleshooting 201Printing an engine test The engine test verifies that the print engine is functioning correctly. This test is very u

Seite 118 - Rear cover

202 Troubleshooting ENWWThe printer prints an engine test page, like the page shown below.Figure 109. Engine test page

Seite 119

ENWW Chapter 7 Troubleshooting 203Jam troubleshooting Jams occur in the printer when print media does not reach or clear a photosensor along the print

Seite 120

204 Troubleshooting ENWWJam causesOccasionally, media can become jammed during a print job. The following are some of the causes:● Trays are loaded in

Seite 121 - Front cover

ENWW Chapter 7 Troubleshooting 205Output areas Jams in this area might result in loose toner on the page. If you get any toner on your clothes or hand

Seite 122 - Control panel

206 Troubleshooting ENWWPaper-access areaJams in the paper access area can occur only when using the two-sided printing capabilities of the HP LaserJe

Seite 123 - Top-cover assembly

ENWW Chapter 7 Troubleshooting 207Tray 2 or tray 3 input area NoteIf paper has entered the print-cartridge area, follow the instructions in “Print-car

Seite 124

ENWW Chapter 1 Product description 19IdentificationThe model number and printer serial number are listed on identification labels located inside the t

Seite 125

208 Troubleshooting ENWWPrint-cartridge area Jams in this area might result in loose toner on the page. If you get any toner on your clothes or hands,

Seite 126 - Left-side cover

ENWW Chapter 7 Troubleshooting 209Image-formation troubleshootingWhen you are working with customers, obtain a print sample before troubleshooting the

Seite 127 - Power switch

210 Troubleshooting ENWWCheck the print cartridgeImage-formation defects are often the result of problems with the print cartridge. Use the following

Seite 128 - Tray 1 assembly

ENWW Chapter 7 Troubleshooting 211Image-defect tablesJudgments about print quality are subjective. This section of the manual helps define print-quali

Seite 129

212 Troubleshooting ENWWTable 24. Image defectsProblem Cause SolutionLight print or fade Wrong toner-density setting is in use. ● Through the softwa

Seite 130

ENWW Chapter 7 Troubleshooting 213Gray background The print media does not meet printer specifications or is stored incorrectly.● Print a few more pag

Seite 131

214 Troubleshooting ENWWMisformed charactersMaintenance is due. ● Print a few more pages to see if the problem corrects itself.● Make sure that the pr

Seite 132 - Internal assemblies

ENWW Chapter 7 Troubleshooting 215Toner scatter outline The print media does not meet printer specifications or is stored incorrectly.● Print a few mo

Seite 133

216 Troubleshooting ENWWWhite or missing image/blank pageNo toner is available for print. ● Remove sealing tape or replace the print cartridge. Look f

Seite 134 - Pickup sensor flag

ENWW Chapter 7 Troubleshooting 217Media troubleshooting Media defects can cause jams and image defects. If the previously described conditions are cor

Seite 135 - Tray 1 separation pad

20 Product description ENWWSpecificationsPhysical specifications Electrical specificationsWARNING! Power requirements are based on the country/region

Seite 136

218 Troubleshooting ENWWDetermine where media jams occurCheck where media stops when a jam occurs. Types of jams include:● input paper jams● internal

Seite 137

ENWW Chapter 7 Troubleshooting 219Isolate a media typeWhen jams and other problems occur frequently, it is often because the customer is using a speci

Seite 138 - Tray 2 pickup roller

220 Troubleshooting ENWWEmbossed mediaEmbossed media is not recommended for use in HP LaserJet printers. Media is embossed by stamping an image into t

Seite 139

ENWW Chapter 7 Troubleshooting 221EnvelopesBecause of the variety of folds and cuts available, it is difficult to specify the types of envelopes that

Seite 140

222 Troubleshooting ENWWTransparenciesPrinting on transparencies presents a special set of challenges. The surface resistance of a transparency can be

Seite 141

ENWW Chapter 7 Troubleshooting 223Evaluate media use practicesHandling and loadingOften differences in techniques, missed steps, or media-handling met

Seite 142

224 Troubleshooting ENWWMedia storage environment Media storage environmental conditions directly affect the feed operation. Note Do not purchase more

Seite 143

ENWW Chapter 7 Troubleshooting 225Communication troubleshootingCommunications checkNote Communication problems are normally the customer’s responsibil

Seite 144

226 Troubleshooting ENWWTroubleshooting toolsRepetitive defect rulerRepetitive print defects are usually caused by a specific roller in the printer or

Seite 145 - Laser/scanner

ENWW Chapter 7 Troubleshooting 227Half-self-test functional checkThe electrophotographic process can be subdivided into the following stages: ● Clea

Seite 146 - Laser/scanner plate

ENWW Chapter 1 Product description 21Acoustic emissionsOperating environmentTable 5. Acoustic emissions specifications1Sound power level Declared per

Seite 147 - E-label reader

228 Troubleshooting ENWWPerforming a self testTo initiate a self test: 1 Turn off the printer.2 Press (SELECT) and hold it while turning on the print

Seite 148

ENWW Chapter 7 Troubleshooting 229Resetting the printerCold resetA cold reset returns the control panel settings to the default factory settings.Note

Seite 149 - Formatter

230 Troubleshooting ENWWReference diagramsFigure 112. General printer-component locations1 Pressure roller2 Fuser3 Fuser film4 Transfer roller5 Tray

Seite 150 - Drive assembly

ENWW Chapter 7 Troubleshooting 231Figure 113. Locations of switches1 Power switch2 Engine test button3 Interlock (SW1)222123

Seite 151 - Reinstall note

232 Troubleshooting ENWWFigure 114. Locations of sensors1 Rear output bin sensor (PS502)2 Delivery sensor (PS2301)3 Reversed media sensor (PS501)4 To

Seite 152

ENWW Chapter 7 Troubleshooting 233Figure 115. Locations of solenoid1 Automatic duplexer solenoid (SL3)2 Tray 1 pickup solenoid (SL2)3 Tray 2 pickup s

Seite 153 - Main motor

234 Troubleshooting ENWWFigure 116. Location of motors and fans1 Fan (FM1)2 Reversing motor (M2)3 Main motor (M1)222231

Seite 154 - Flat, flexible cable

ENWW Chapter 7 Troubleshooting 235Figure 117. Engine controller PCB

Seite 155

236 Troubleshooting ENWWFigure 118. Power supply PCB

Seite 156

ENWW Chapter 7 Troubleshooting 237Figure 119. General circuit diagram (1 of 2)

Seite 157

22 Product description ENWWProduct overviewFigure 3. Front and right sideFigure 4. Back and left sideTop coverTray 1Tray 2Control panelTop output bi

Seite 158

238 Troubleshooting ENWWFigure 120. General circuit diagram (2 of 2)

Seite 159

ENWW Chapter 7 Troubleshooting 239Figure 121. General timing chart

Seite 160 - Solenoid

240 Troubleshooting ENWW

Seite 161 - Access plate

ENWW Chapter 8 Parts and diagrams 2418 Parts and diagramsChapter contentsOrdering parts and supplies and getting support . . . . . . . . . . . . . .

Seite 162

242 Parts and diagrams ENWWOrdering parts and supplies and getting supportPartsHow to use the parts lists and diagramsThe figures in this chapter illu

Seite 163

ENWW Chapter 8 Parts and diagrams 243Consumables, accessories, and suppliesTable 28. Consumables, accessories, and suppliesProduct number Part number

Seite 164 - Power supply

244 Parts and diagrams ENWWCommon fastenersTable 29. Common fastenersExample Description Sizes UsesScrew M3 by 6 mmM4 by 8 mmTo hold plastic to plast

Seite 165

ENWW Chapter 8 Parts and diagrams 245Illustrations and parts listsAssembly locationsFigure 122. Assembly locationsFuserTray 2Engine controller assemb

Seite 166

246 Parts and diagrams ENWWCoversCovers and panelsFigure 123. Covers and panels

Seite 167

ENWW Chapter 8 Parts and diagrams 247Table 30. Covers and panelsRef Description Part number Quantity1 Rear cover assembly RM1-0367-000CN 11A Bin exte

Seite 168

ENWW Chapter 1 Product description 23Safety informationPrint-cartridge and toner safetyFor information about print-cartridge and toner safety, see the

Seite 169

248 Parts and diagrams ENWWTop cover assemblyFigure 124. Top cover assembly

Seite 170 - Reinstall notes

ENWW Chapter 8 Parts and diagrams 249Table 31. Top cover assemblyRef Description Part number Quantity1 Top cover assembly RM1-0328-000CN 11A Screw, t

Seite 171

250 Parts and diagrams ENWWInternal componentsInternal components (1 of 4)Figure 125. Internal components (1 of 4)

Seite 172

ENWW Chapter 8 Parts and diagrams 251Table 32. Internal components (1 of 4)Ref Description Part number Quantity1 Lever, sensor RB2-2836-000CN 12 Spri

Seite 173

252 Parts and diagrams ENWWInternal components (2 of 4)Figure 126. Internal components (2 of 4)

Seite 174 - Registration-roller assembly

ENWW Chapter 8 Parts and diagrams 253Table 33. Internal components (2 of 4)Ref Description Part number Quantity1 Cap, continuity RA0-1068-000CN 12 Gu

Seite 175

254 Parts and diagrams ENWWInternal components (3 of 4)Figure 127. Internal components (3 of 4)

Seite 176 - Transfer roller

ENWW Chapter 8 Parts and diagrams 255Table 34. Internal components (3 of 4)Ref Description Part number Quantity1 Spring, leaf RB2-6266-000CN 12 Hinge

Seite 177 - Feed belts

256 Parts and diagrams ENWWInternal components (4 of 4)Figure 128. Internal components (4 of 4)

Seite 178

ENWW Chapter 8 Parts and diagrams 257Table 35. Internal components (4 of 4)Ref Description Part number Quantity1 Hinge, feed guide RB2-6249-000CN 12

Seite 179

24 Product description ENWWLaser safetyThe Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration has implemented

Seite 180

258 Parts and diagrams ENWWPower-supply assemblyFigure 129. Power-supply assembly

Seite 181 - 7 Troubleshooting

ENWW Chapter 8 Parts and diagrams 259Table 36. Power-supply assemblyRef Description Part number QtyPower supply assembly (110-127V) RM1-0340-000CN 1P

Seite 182 - Troubleshooting process

260 Parts and diagrams ENWWPickup assembly Figure 130. Pickup assembly

Seite 183

ENWW Chapter 8 Parts and diagrams 261Table 37. Pickup assemblyRef Description Part number QuantityPickup assembly RM1-0332-000CN 11 Roller RB2-2892-0

Seite 184 - Troubleshooting process flow

262 Parts and diagrams ENWWEngine controllerFigure 131. Engine controllerTable 38. Engine controllerRef Description Part number QtyEngine controller

Seite 185 - Power-on

ENWW Chapter 8 Parts and diagrams 263PCA locationsFigure 132. PCA locationsTable 39. PCA locationsRef Description Part number Quantity1 Engine contr

Seite 186 - Resolving persistent messages

264 Parts and diagrams ENWWTrays250-sheet feederFigure 133. 250-sheet feeder

Seite 187

ENWW Chapter 8 Parts and diagrams 265Table 40. 250-sheet feederRef Description Part number Qty250-sheet feeder C4793-67901 1Tray 2 or 250-sheet feede

Seite 188 - To continue press

266 Parts and diagrams ENWW500-sheet feederFigure 134. 500-sheet feeder

Seite 189 - ● Press to use a type and

ENWW Chapter 8 Parts and diagrams 267Table 41. 500-sheet feederRef Description Part number Qty500-sheet feeder C7065-67901 11 Pickup roller RB2-6304-

Seite 190 - ANCEL JOB button was

ENWW Chapter 1 Product description 25Environmental product stewardship programProtecting the environmentHewlett-Packard Company is committed to provid

Seite 191 - For menus press

268 Parts and diagrams ENWWAlphabetical parts listTable 42. Alphabetical parts listDescription Part number Quantity Figure Ref.250-sheet feeder C4793

Seite 192 - ● The user has exited

ENWW Chapter 8 Parts and diagrams 269Fuse (220-240V) RH3-8006-000CN 1 129 1BFuser (110-127V) RM1-0354-000CN 1 125 24Fuser (220-240V) RM1-0355-000CN 1

Seite 193 - ELECT button) to print

270 Parts and diagrams ENWWPlate, feeding, left RC1-0913-000CN 1 127 5Plate, feeding, right RC1-0914-000CN 1 127 6Plate, grounding RC1-0916-000CN 1 12

Seite 194

ENWW Chapter 8 Parts and diagrams 271Screw, w/washer, M3x6 XB6-7300-607CN 1 123 12Screw, w/washer, M3x8 XA9-1226-000CN 4 129 5Screw, w/washer, M3x8 XA

Seite 195 - [TYPE] [SIZE]

272 Parts and diagrams ENWWTray 1 pickup assembly RM1-0346-000CN 1 126 16Tray 2 or 250-sheet feeder (media tray only) RM1-0350-000CN 1Table 42. Alpha

Seite 196 - For help press

ENWW Chapter 8 Parts and diagrams 273Numerical parts listTable 43. Numerical parts listPart number Description Quantity Figure Ref.C4793-67901 250-sh

Seite 197

274 Parts and diagrams ENWWRB2-6297-000CN Foot, rubber 4 126 9RB2-6304-000CN Pickup roller 1 130 4RB2-6304-000CN Pickup roller 1 133 1RB2-6304-000CN P

Seite 198 - To continue

ENWW Chapter 8 Parts and diagrams 275RG1-4307-000CN Engine controller PCA 1 131 1RG1-4307-000CN Engine controller PCA 1 132 1RG1-4310-000CN FG cable a

Seite 199 - ANCEL JOB to clear the

276 Parts and diagrams ENWWRM1-0347-000CN Registration assembly 1 126 25RM1-0350-000CN Tray 2 or 250-sheet feeder (media tray only) 1RM1-0353-000CN Tr

Seite 200 - Media-handling problems

ENWW Chapter 8 Parts and diagrams 277XB6-7300-407CN Screw, PH M3x4 3 125 22XB6-7300-607CN Screw, w/washer, M3x6 1 123 12Table 43. Numerical parts lis

Seite 201

26 Product description ENWWMaterial safety data sheetMaterial safety data sheets (MSDS) can be obtained by contacting the HP LaserJet Supplies website

Seite 202 - Printing a usage page

278 Parts and diagrams ENWW

Seite 203 - Printing an engine test

ENWW 279IndexSymbols? buttonlocating 52using 184Numerics250-sheet tray. See tray 2500-sheet tray. See tray 3AA4 paper settings 59, 60access denied t

Seite 204 - Figure 109. Engine test page

checksDiagnostics menu 71engine 201half self-test 227media 44paper path 71, 228power-on 85self 228chemicals, paper 43, 222circuitcapacity requir

Seite 205 - Jam troubleshooting

Ddarkness, setting 63datacompression features 101processing operations 99Data lightlocating 52states 53Data Received message 187data transmission

Seite 206 - Typical jam locations

envelopesdefault size, setting 59margins 40specifications 39storing 40troubleshooting 221environmentacclimating printer 180media storage 223specifi

Seite 207 - Output areas

HP Connect Online 242HP Customer Care centersExpress Exchange 27reseller sales and service support 28HP Express Exchange 27HP Jetdirect print serv

Seite 208 - Paper-access area

lenses, operations 87, 90letter paper, override A4 settings 59letterheadfuser modes 62troubleshooting 219life expectanciesparts 74print cartridges

Seite 209 - Tray 2 or tray 3 input area

motorsdiagrams 234error messages 196image formation operations 89low-voltage power supply operations 86main, removing 151paper feeding operations

Seite 210 - Print-cartridge area

partners, HP 242partsCD-ROM information 28ordering 242removing and replacing 111, 112replacement intervals 74path, papercleaning 75duplexer opera

Seite 211

ProRes 17, 63PS (PostScript)error page settings 60font lists 56wait timeout 198punched paper, fuser modes 62purchasing. See orderingQqualityEconoM

Seite 212 - EconoMode

ENWW Chapter 1 Product description 27Service approachBench-repair warrantyThe warranty for this product is “return to bench” for a period of one year

Seite 213 - Image-defect tables

servers. See HP Jetdirect print serversservice agreements 28service centers, Express Exchange 27service ID 72, 198Service menu 72service parts CD-R

Seite 214 - Problem Cause Solution

testsDiagnostics menu 71engine 201half self-test functional check 227media 44paper path 71, 228power-on 85self 228text, troubleshooting 212, 214

Seite 215

traysdefault media size, setting 59empty, error messages 189features 17feeding operations 95jam detection operations 106jams 207load messages 187

Seite 217

292 ENWWIndex

Seite 219 - Media troubleshooting

copyright 2003Hewlett-Packard Company©www.hp.com/support/lj2300*Q2472 **Q2472 *-90911-90911Q2472-90911

Seite 220 - Isolate a media brand

hp LaserJet 2300 series printerservice manual _____________

Seite 221 - Isolate a media type

28 Product description ENWWWorld Wide Web Printer drivers, updated HP printer software, and product and support information can be obtained from the f

Seite 222 - Adhesive labels

ENWW 2 Installation 292 InstallationChapter contentsSite requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 223 - Envelopes

30 Installation ENWWSite requirementsOperating environmentThe electrical and environmental specifications must be maintained to ensure the correct ope

Seite 224 - Other special media

ENWW 2 Installation 31Printer space requirementsFigure 5. Top viewFigure 6. Side view412.8 mm(16.25 inches)450.3 mm(17.73 inches)407.5 mm(16 inches

Seite 225 - Evaluate media use practices

32 Installation ENWWFigure 7. Side view (with an optional 250-sheet tray)Figure 8. Side view (with an optional 500-sheet tray487.4 mm(19.2 inches)54

Seite 226 - Media storage environment

ENWW 2 Installation 33Interface ports The HP LaserJet 2300 printer has two interface ports: ● IEEE-1284B Type B parallel port ● USB port (compatible

Seite 227 - Communication troubleshooting

34 Installation ENWWMedia specificationsGeneral media specificationsThe HP LaserJet 2300 series printers accept a variety of media, such as cut-sheet

Seite 228 - Troubleshooting tools

ENWW 2 Installation 35Media input optionsThe printer comes with up to three paper trays. The printer automatically selects the requested media from t

Seite 229

36 Installation ENWWOptional 250-sheet tray (tray 2 or tray 3) paper sizes A 250-sheet tray (tray 2) can be purchased as an accessory if the printer d

Seite 230 - Performing a paper path test

ENWW 2 Installation 37Optional 500-sheet tray (tray 3) paper sizesA 500-sheet tray can be purchased as an accessory if the printer did not come with

Seite 231 - Setting the language

Hewlett-Packard Company11311 Chinden BoulevardBoise, Idaho 83714 U.S.A.© Copyright Hewlett-Packard Company, 2003All Rights Reserved. Reproduction, ada

Seite 232 - Reference diagrams

38 Installation ENWWGuidelines for selecting paperFor best results, use conventional 80-g/m2 (20-lb) paper. Make sure that the paper is of good qualit

Seite 233 - 3 Interlock (SW1)

ENWW 2 Installation 39Envelope specificationsEnvelope construction is critical. Envelope fold lines can vary considerably, not only between manufactu

Seite 234

40 Installation ENWWEnvelopes with adhesive strips or flapsEnvelopes with a peel-off adhesive strip or with more than one flap that folds over to seal

Seite 235

ENWW 2 Installation 41Label specificationsWhen selecting labels, consider the quality of each component:● Adhesives: The adhesive material should be

Seite 236 - 3 Main motor (M1)

42 Installation ENWWTransparency specificationsTransparency construction is critical.Note Use only tray 1 to print transparencies. Send transparencies

Seite 237

ENWW 2 Installation 43Storing print mediaIdeally, the printing and media storage environment should be at or near room temperature, and not too dry o

Seite 238 - Figure 118. Power supply PCB

44 Installation ENWWTesting media specificationsThe following tests describe ways to make sure that the media meets the specifications listed in this

Seite 239

ENWW 2 Installation 45Paper weight equivalence table Use this table to determine approximate equivalent points in weight specifications other than U

Seite 240 - 238 Troubleshooting ENWW

46 Installation ENWWCaliper field testThe specified caliper differs with the type of media used. See “Operating environment” on page 30. Use a microme

Seite 241

ENWW 2 Installation 47Grain field testThe grain direction is usually specified on the ream label (written out “long” or “short”). The paper dimension

Seite 242 - 240 Troubleshooting ENWW

Contents 3Contents1 Product descriptionPrinter configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 243

48 Installation ENWWCut-edge condition field testUse a loupe or maginfying glass to observe the condition of the cut edge. Under magnification, a good

Seite 244 - Ordering

ENWW 2 Installation 49Tools and suppliersHewlett-Packard neither warrants nor recommends a particular manufacturer, supplier, or tool. Products are s

Seite 245

50 Installation ENWW

Seite 246 - Common fasteners

ENWW Chapter 3 Operation 513 OperationChapter contentsControl panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 247 - Illustrations and parts lists

52 Operation ENWWControl panelThis section provides information about the control panel and its features.Control-panel layoutThe control panel contain

Seite 248 - Covers and panels

ENWW Chapter 3 Operation 53Control-panel buttonsControl-panel lightsButton Function(HELP) ● Provides information about the message on the graphical di

Seite 249 - Table 30. Covers and panels

54 Operation ENWWChanging control-panel settingsFor a complete list of menu items and possible values, see “Control-panel menus—user” on page 55. Cert

Seite 250 - Top cover assembly

ENWW Chapter 3 Operation 55Control-panel menus—userRetrieve job menu Note The HP color LaserJet 2300 printer and the HP color LaserJet 2300L printer d

Seite 251 - Table 31. Top cover assembly

56 Operation ENWWInformation menuThe Information menu contains printer information pages that give details about the printer and its configuration. Sc

Seite 252 - Internal components

ENWW Chapter 3 Operation 57Paper-handling menuIf paper-handling settings are correctly configured at the control panel, you can print by selecting the

Seite 253

4 ENWW2 InstallationSite requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 254 - Internal components (2 of 4)

58 Operation ENWWTRAY 2 TYPE ANY TYPEPLAINPREPRINTED*LETTERHEADTRANSPARENCYPREPUNCHEDLABELSBONDRECYCLEDCOLORROUGHSets the value to correspond with the

Seite 255

ENWW Chapter 3 Operation 59Configure device menuThis menu contains administrative functions.Printing submenuSome items on this menu are available in t

Seite 256 - Internal components (3 of 4)

60 Operation ENWWMANUAL FEED *OFFONFeeds the paper manually from tray 1, rather than automatically from a tray. If MANUAL FEED=ON and tray 1 is empty,

Seite 257

ENWW Chapter 3 Operation 61Print-quality submenuSome items on this menu are available in the program or printer driver (if the appropriate driver is i

Seite 258 - Internal components (4 of 4)

62 Operation ENWWFUSER MODES PLAINPREPRINTEDLETTERHEADTRANSPARENCYPREPUNCHEDLABELSBONDRECYCLEDCOLORCARDSTOCK>164 G/ROUGHENVELOPERESTORE MODES*NORMA

Seite 259

ENWW Chapter 3 Operation 63RESOLUTION 300600*FASTRES 1200PRORES 1200Selects the resolution. All values print at the same speed.● 300: Produces draft

Seite 260 - Power-supply assembly

64 Operation ENWWSystem-setup submenuItems on this menu affect printer behavior. Configure the printer according to your printing needs.The following

Seite 261

ENWW Chapter 3 Operation 65POWERSAVE TIME 1 MINUTE15 MINUTES*30 MINUTES60 MINUTES90 MINUTES2 HOURS4 HOURSSets how long the printer remains idle before

Seite 262 - Pickup assembly

66 Operation ENWWCARTRIDGE LOW *CONTINUESTOPDetermines how the printer behaves if the print cartridge is low. The ORDER CARTRIDGE message first appea

Seite 263 - Table 37. Pickup assembly

ENWW Chapter 3 Operation 67I/O submenuItems on the I/O (input/output) menu affect the communication between the printer and the computer. The submenu

Seite 264 - Engine controller

54 Printer maintenancePeriodic inspection of parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 265 - PCA locations

68 Operation ENWWHOST NAME *NPIXXXXXX An alphanumeric string (up to 32 characters long) that is used to identify the device. This name is listed on th

Seite 266 - 250-sheet feeder

ENWW Chapter 3 Operation 69SOURCE ROUTING*AUTOOFFALL ROUTESSINGLE ROUTEFor a Token Ring network only, specify the NetWare Token Ring Source Routing pa

Seite 267 - Table 40. 250-sheet feeder

70 Operation ENWWResets submenuItems on the Resets submenu relate to returning settings to the defaults and changing settings such as PowerSave.The fo

Seite 268 - 500-sheet feeder

ENWW Chapter 3 Operation 71Diagnostics menuAdministrators can use this menu to isolate parts and to troubleshoot jam and print-quality issues.The foll

Seite 269 - Table 41. 500-sheet feeder

72 Operation ENWWControl-panel menus—serviceThe Service menu is locked and requires a PIN for access. This menu is intended for use by authorized serv

Seite 270 - Alphabetical parts list

ENWW Chapter 4 Printer maintenance 734 Printer maintenanceChapter contentsPeriodic inspection of parts . . . . . . . . . . . . . . . . . . . . . . . .

Seite 271

74 Printer maintenance ENWWPeriodic inspection of parts Periodic replacement parts are the parts that should be inspected and, if required, replaced

Seite 272 - 270 Parts and diagrams ENWW

ENWW Chapter 4 Printer maintenance 75Cleaning the printerOver time, particles of toner and paper accumulate inside the printer. This can cause print-q

Seite 273

76 Printer maintenance ENWWCleaning the fuserRun the printer cleaning page to remove toner and paper particles that can sometimes accumulate on the fu

Seite 274 - 272 Parts and diagrams ENWW

ENWW Chapter 4 Printer maintenance 77Managing the print cartridgeThis section provides information about HP print cartridges, how to store them, how t

Seite 275 - Numerical parts list

6 ENWW6 Removal and replacementRemoval and replacement strategies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 276 - 274 Parts and diagrams ENWW

78 Printer maintenance ENWWPrint-cartridge storageDo not remove the print cartridge from its package until you are ready to use it. Print cartridges s

Seite 277

ENWW Chapter 4 Printer maintenance 79Checking the supply levelYou can check the supply (toner) level using the printer control panel, the embedded Web

Seite 278 - 276 Parts and diagrams ENWW

80 Printer maintenance ENWWCartridge-low and cartridge-out conditionsThe printer alerts you if the print cartridge is low on toner or out of toner. Wh

Seite 279

ENWW Chapter 4 Printer maintenance 81Supplies status pageUse the supplies status page to obtain information about the print cartridge that is installe

Seite 280 - 278 Parts and diagrams ENWW

82 Printer maintenance ENWW

Seite 281

ENWW Chapter 5 Theory of operation 835 Theory of operationChapter contentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 282 - ENWWIndex

84 Theory of operation ENWWIntroductionThis chapter presents an overview of the relationships between major components of the HP LaserJet 2300 printer

Seite 283 - ENWW 281

ENWW Chapter 5 Theory of operation 85Power-on sequenceThe the following steps describe the sequence from power-on until the printer enters the standby

Seite 284

86 Theory of operation ENWWEngine control systemThe engine control system coordinates all printer functions. It drives the laser/scanner system, the i

Seite 285

ENWW Chapter 5 Theory of operation 87Laser/scanner systemAt the laser/scanner assembly, laser beams focus onto the photosensitive drum and discharge t

Seite 286

77 TroubleshootingTroubleshooting process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seite 287 - ENWW 285

88 Theory of operation ENWWImage-formation systemThe image-formation system, which forms a toner image on media, consists of several interdependent sy

Seite 288

ENWW Chapter 5 Theory of operation 89Image-formation process Laser printing requires the interaction of several different technologies, including elec

Seite 289 - ENWW 287

90 Theory of operation ENWWElectrostatic latent-image-formation blockStep 1: primary charging A dc bias is applied to the primary charging roller, whi

Seite 290

ENWW Chapter 5 Theory of operation 91Developing block The developing cylinder comes in contact with the photosensitive drum to deposit toner onto the

Seite 291 - ENWW 289

92 Theory of operation ENWWTransfer blockStep 4: transfer The transfer charging roller, to which a dc positive bias is applied, imparts a positive cha

Seite 292

ENWW Chapter 5 Theory of operation 93Fusing blockStep 6: fusingThe dc negative bias applied to the fusing film strengthens the holding force of the to

Seite 293 - ENWW 291

94 Theory of operation ENWWDrum-cleaning blockStep 7: drum cleaning The cleaning blade scrapes the residual toner off of the photosensitive drum and d

Seite 294 - 292 ENWW

ENWW Chapter 5 Theory of operation 95Pickup/feed systemWhen the formatter sends a print command to the engine controller PCB, the main motor and scann

Seite 295

96 Theory of operation ENWWFigure 29. Pickup/feed system PS501: Reversed paper sensor PS502: Face-up sensorPS503: Automatic duplex pickup sensor PS13

Seite 296 - *Q2472 *

ENWW Chapter 5 Theory of operation 97Delivery Figure 30. Delivery

Kommentare zu diesen Handbüchern

Keine Kommentare