Sharp FO-2080 Spezifikationen Seite 79
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ADJ 2
Developing bias voltage adjustment
∗
Adjustment value
Range (MIN) –305 V
Range (MAX) –315 V
Standard value –310 V
Default –310 V
∗
Program used
Test command (Simulation) MODE Normal
MAIN CODE 8
SUB CODE 2
∗
Execution condition (time)
Enforcement
time
JOB No Content
S 009/Ua 004 When replacing the high
voltage/motor drive PWB unit
Cycle —
Condition 1) Print (copy) density is too
dark or too light.
Though copy density
adjustment is executed with
the Test command
(simulation) 46-1,
satisfactory denstiy cannot
be obtained.
2) Ghost is generated.
∗
Work content
1) Connect between the power PWB and the MCU PWB, the high
voltage/motor drive PWB unit and the operation unit with har-
nesses.
2) Manually turn on the cover switch and turn on the power.
3) Execute SIM 8-2. (The developing bias voltage is outputted.)
4) Measure the developing bias voltage with the digital multi-meter
(effective value meter).
Adjust VR802 so that the output voltage is –310 ± 5V.
∗
Troubles caused by improper work
1) Copy (print) defective
(Insufficient density, background copy, dirt, etc.)
(Ghost)
2) The copy density cannot be adjusted with SIM 46-1.
3) Photoconductor damage
∗
After-work
JOB No. Content
ADJ M1 Copy density adjustment
∗
Necessary tools
Name Digital multi-meter/High voltage probe
Parts code/Price rank —
Note Internal impedance of 1000MΩ or
above, effective value measurement
(Recommendable unit: FLUKE
87/FLUKE 80K-40)
∗
Note
1) Use a digital multi-meter (effective value meter, internal im-
pedance of 1000MΩ or above).
Connect the capacitor and the diode to the tip of the digital multi-
meter for measurement. If the above condition are not satisfied,
the proper measurement of voltage cannot be made.
2) Since a high voltage is outputted, be careful of electric shock.
CHI M1 Image process (high votlage) power
check
∗
Specified values
Range (MIN) +3200V
Range (MAX) +3700V
Standard value +3500V
Default +3500V
∗
Progarm used
Test command (Simulation) MODE Normal
MAIN CODE 8
SUB CODE 2
FO-3800M
7 – 17
- FO-3800M 1
- LASER PRODUCT 2
- LASER KLASSE 1 2
- Contents 3
- [1] SYSTEM CONFIGURATION 4
- A. Main Unit 4
- B. Supplies 4
- C. Accessories 4
- 2. STRUCTURE 5
- 3. SOFTWARE 5
- 4. OPERATING ENVIRONMENT 5
- [2] SPECIFICATIONS 6
- C. Printer mode 7
- (2) Job speed 8
- (3) Image quality 8
- D. Scanner mode 10
- 4. ENGINE SPECIFICATION 18
- O. Ambient conditions 20
- [3] CONSUMABLE PARTS 21
- (1) Photoconductor drum 21
- (2) Developer cartridge 22
- 4. Paper specifications 23
- 5. Standard density sample 24
- 6. Environmental conditions 25
- [4] SET UP 26
- B. Releasing lock 27
- (1) Developer cartridge 27
- Paper tray 28
- Paper release lever 28
- View from the 28
- 4. Cable connection 29
- (Scanner) driver software 29
- 6. Setup FAX section 31
- 7. Note for transport 32
- A. External, operation parts 33
- (2) Internal operation parts 34
- 12) 13) 14) 15) 35
- B. Internal parts 37
- C. Functional parts 50
- 2) POWER SW 51
- 3) IMGSM 52
- (6) Fuse, thermostat 53
- (7) Lamp 54
- (8) Interface (connector) 54
- (9) Belt, wire 55
- (10) Power 55
- D. Lock position 56
- [6] MACHINE OPERATION 57
- (14) Others 62
- [7] ADJUSTMENTS, SETTING 63
- 64
- Not copied 65
- Work content 67
- Necessary condition 67
- D 1.0mm 68
- Copy A Copy B 70
- L=10.5+CCD No(OID) 71
- HARDDENCD 72
- STAINLESS 72
- Original Copy 73
- Allow a clearance 75
- White paper 75
- (A4, 11" x 8.5") 75
- Necessary tools 76
- Draw a line 77
- A4 (11" x 8.5") 77
- Fusing temperature adjustment 80
- Power voltage adjustment 81
- JP2 (VIN) JP3 (SH) 82
- JP1 (GND) 82
- USER PROGRAM 83
- A. Outline and purpose 83
- B. Code system simulation 83
- (2) Simulation list 85
- (3) Details of simulations 87
- ∗ Main charger voltage 90
- ∗ Transfer charger voltage 90
- ∗ Developer bias voltage 90
- B. Operating procedure 96
- C. Content 96
- 3. Printing Out Reports 97
- B. List of functions 98
- (1) Soft SW change method 99
- (2) Soft switch clear mode 99
- (3) ROM & RAM check mode 100
- (4) Signal send mode 100
- (5) Image memory clear mode 101
- (7) Dial test mode (Tone) 102
- (9) Panel check mode 102
- (10) Signal detect mode 102
- A. Software Switch List 103
- FO-3800M 112
- S001 External view section 114
- S001/P001 Rear cabinet 116
- S001/P003 Right cabinet 117
- S001/P004 Left cabinet 117
- S001/P008 Bottom base plate 118
- S002 Operation section 119
- ∗ Note for assembly 120
- S003/P001 122
- S003/P003 122
- S003/P002 122
- ∗ Cleaning 123
- ∗ Grease 123
- Scanner (Reading) section 124
- S004/Ua001 Scanner unit 126
- S004/Ub001/P001/CLN 128
- Scanner (writing) section 131
- S006 Image process section 133
- S006/P006/CLN 135
- S006/P007/CLN 135
- S006/P008/CLN 135
- S007 Fusing, paper exit 136
- S007/Ua001 Fusing unit 137
- S007/Ua001/P001/CLN 138
- S007/Ua001/P003/CLN 138
- S007/Ua001/P004/CLN 138
- S007/Ua001/P005 139
- Drive section 140
- S009 Electrical section 141
- S008/P001/GRE 141
- S008/P001/ 141
- ∗ After-work 143
- S009/Ua006 LIU PWB unit 144
- ∗ Greasing 147
- S011 Other section 149
- [10] TROUBLESHOOTING 150
- A. Outline 150
- B. Function and propose 150
- D. Self diag operation 150
- F. Details 152
- Streaks and dots in the 178
- SHARP CORPORATION 180
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