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SECTION 1
OVERALL MACHINE
INFORMATION
1
2
3
4
5
6
7
...
585
586
SECTION 1
2
OVERALL MACHINE
2
INFORMATION
2
1. SPECIFICATIONS
3
1 December 1990
10
4. FUNCTIONAL OPERATION
14
6. DRIVE LAYOUT
16
Magnetic Clutch
20
Solenoid
20
Printed Circuit Board
22
Power Packs
22
Transformer
23
9. OVERALL MACHINE CONTROL
24
10. AC POWER AND DC POWER
25
DISTRIBUTION
25
10.1 AC POWER DISTRIBUTION
27
10.2 DC POWER DISTRIBUTION
28
SECTION 2
29
SECTIONAL DESCRIPTION
29
1.1 OPC DRUM CHARACTERISTICS
30
1.2 DRUM UNIT
31
1.3 HANDLING THE DRUM
32
2. DRUM CHARGE
33
2.3 CHARGE CORONA CIRCUIT
35
2.4 GRID VOLTAGE CORRECTION
36
±0 (volts)
37
3. OPTICS
38
3.2 SCANNER DRIVE
39
3.3 LENS DRIVE
40
3.4 4TH AND 5TH MIRROR DRIVE
42
Main Board (PCB1)
43
Sampled area
45
Main Motor On Time
49
3.9 SERVICE CALL CONDITIONS
51
4. ERASE
52
5. DEVELOPMENT
55
5.2 DRIVE MECHANISM
56
5.3 CROSS-MIXING
57
Darker Lighter
58
±0 volts
60
5.5 DEVELOPMENT BIAS CIRCUIT
61
SUPPLY
64
I/D Sensor
65
Toner Supply
65
CL Solenoid
65
6.3 FIXED SUPPLY MODE
66
DETECTION
68
6.8 TONER SUPPLY AMOUNT
71
6.9 TONER END DETECTION
75
7. IMAGE TRANSFER AND PAPER
77
SEPARATION
77
7.3 PAPER SEPARATION
78
CORONA CIRCUIT
79
8. DRUM CLEANING
80
8.2 DRIVE MECHANISM
81
8.3 TONER OVERFLOW DETECTION
82
9. QUENCHING
83
10.1 OVERVIEW
84
10.2 FRR FEED SYSTEM
85
PAPER END DETECTION
87
10.5 PAPER SIZE DETECTION
90
10.7 SLIP CLUTCH MECHANISM
95
10.8 MANUAL FEED TABLE
96
10.9 PAPER REGISTRATION
97
11. IMAGE FUSING
99
SAFETY SWITCH
100
11.3 FUSING LAMP CONTROL
101
11.5 SERVICE CALL CONDITIONS
105
SECTION 3
106
INSTALLATION
106
1. INSTALLATION REQUIREMENTS
107
1.2 MACHINE LEVEL
108
1.4 POWER REQUIREMENTS
109
2. INSTALLATION PROCEDURE
110
2.2 220/240V CONVERSION
116
2.3 CASSETTE MODIFICATION
117
(OPTION)
119
SECTION 4
128
SERVICE TABLES
128
1. SERVICE TABLES
129
1.2 DIP SWITCHES
130
1.3 VARIABLE RESISTORS
133
2. SERVICE PROGRAM MODE
135
2.1.4 Others
138
#52, #55, and #59
138
*5: Exposure
139
*6: Jam Detection
139
*11: All Indicators
139
*48: Light Intensity
143
*52: Fusing
143
*55: Vsg & Vsp
144
*59: Bias Voltage
144
*79: Color Bias
146
Optics Cavity
153
2.5 MISFEED TABLE
156
SERVICE CALL CODE
160
3. SERVICE REMARKS
162
3.3 CHARGE CORONA
163
3.4 OPTICS
163
3.5 DEVELOPMENT UNIT
164
3.6 TONER SUPPLY
165
3.7 TRANSFER AND SEPARATION
165
3.8 CLEANING UNIT
165
3.9 FUSING UNIT
166
3.10 PAPER FEED
166
3.11 DOCUMENT FEEDER
166
3.12 SORTER
166
3.13 DUPLEX
167
3.14 OTHERS
167
± 0.1V by turning VR101
169
± 0.2V by turning VR102
169
5.1 PM TABLE
170
5.2 EXPLANATION OF REGULAR PM
174
SECTION 5
176
REPLACEMENT AND ADJUSTMENT
176
1. EXTERIOR AND INNER COVERS
177
1.2 INNER COVER REMOVAL
180
2. OPTICS
181
2.2 1ST MIRROR REMOVAL
182
2.5 EXPOSURE LAMP REPLACEMENT
187
2.6 THERMOSWITCH REPLACEMENT
189
2.8 SCANNER MOTOR REPLACEMENT
197
REPLACEMENT
200
(HORIZONTAL DIRECTION)
201
3.1 TONER TANK REMOVAL
202
3.2 DEVELOPER REPLACEMENT
203
3.3 INLET SEAL REMOVAL
204
3.5 DOCTOR GAP ADJUSTMENT
206
REPLACEMENT
210
4. CLEANING
212
4.4 BLADE SCRAPER REPLACEMENT
215
4.6 USED TONER COLLECTION
217
4.7 ENTRANCE SEAL REPLACEMENT
218
5. PAPER FEED
219
ROLLER REPLACEMENT
221
6. AROUND DRUM
237
6.3 ERASE LAMP REPLACEMENT
239
6.8 DRUM REPLACEMENT
244
6.9 ID SENSOR REPLACEMENT
246
7. FUSING
255
7.2 FUSING LAMP REPLACEMENT
256
7.4 HOT ROLLER REPLACEMENT
259
8. OTHERS
264
8.2 OZONE FILTER REPLACEMENT
265
9. COPY QUALITY ADJUSTMENT
266
9.3 BIAS VOLTAGE ADJUSTMENT
269
9.4 TONER DENSITY ADJUSTMENT
270
• Main board
272
• AC drive board
272
9.11 FOCUS ADJUSTMENT
274
9.12 ERASE MARGIN ADJUSTMENT
275
9.13 REGISTRATION ADJUSTMENT
275
SECTION 6
280
TROUBLESHOOTING
280
1. COPY QUALITY
281
2. SERVICE CALL CONDITION
304
Not Open
315
Replace the sensor
315
Replace the main board
315
3.1 SENSOR
333
3.3 FUSE
336
SECTION 8
337
DOCUMENT FEEDER
337
2. COMPONENT LAYOUT
339
4. OVERALL MACHINE CONTROL
341
→ Copier
342
5. BASIC OPERATION
343
6. POWER DISTRIBUTION
345
7. INTERFACE CIRCUIT
346
8. ORIGINAL FEED
347
8.2 ORIGINAL SEPARATION
348
8.4 ORIGINAL SIZE DETECTION
351
8.7 BELT DRIVE MOTOR CIRCUIT
355
8.8 FEED-OUT MOTOR CIRCUIT
356
DF Main Board (PCB1)
357
9. LIFT MECHANISM
358
Code: A048)
361
11.2 INSTALLATION PROCEDURE
362
13.1 FEED-IN UNIT
369
13.2 FEED-OUT UNIT
379
1 July 1991
383
SECTION 9
384
SORTER
384
Switches
387
Printed Circuit Boards
387
6. EXIT ROLLER DRIVE
390
6.2 ROLLER DRIVE CIRCUIT
391
7. BIN DRIVE
392
7.2 BIN DRIVE CIRCUIT
394
8. MISFEED DETECTION
395
9. INSTALLATION PROCEDURE
396
9.2 INSTALLATION PROCEDURE
397
12. BIN GUIDE LUBRICATION
402
SECTION 10
403
Solenoids
406
MACHINE CONTROL
407
6. DRIVE MECHANISM
409
7. FIRST SIDE COPY
410
7.3 DUPLEX STACKING
412
8. SECOND SIDE COPY
413
DETECTION TIMING
414
10. SERVICE CALL CONDITIONS
415
11. DUPLEX UNIT INSTALLATION
416
12.1 DUPLEX TRAY REMOVAL
422
SENSOR REPLACEMENT
424
12.3 TURN SENSOR REPLACEMENT
425
12.4 FEED MOTOR REPLACEMENT
426
12.9 FEED ROLLER REPLACEMENT
431
SECTION 11
433
SERVICE MANUAL
433
2. OPERATION PANEL
436
3. FUNCTIONAL OPERATION
438
5. DRIVE LAYOUT
440
Magnetic Clutches
444
Counters
447
8. OVERALL MACHINE CONTROL
449
9.1 AC POWER DISTRIBUTION
452
9.2 DC POWER DISTRIBUTION
453
TIMING
456
(Machine Code: A318)
458
12.1 SPECIFICATIONS
458
12.2 COMPONENT LAYOUT
459
12.4 POWER DISTRIBUTION
461
Main Frame
462
Duplex Unit
462
14. INSTALLATION
463
14.2 INSTALLATION PROCEDURE
466
14.4 SORTER INSTALLATION
471
14.5 DUPLEX UNIT INSTALLATION
471
REPLACEMENT
472
Copier Electrical Components
477
Main Board
479
Interface Board
479
Copier Connectors
482
CS110 (A490)
485
PARTS CATALOG
486
INTRODUCTION
486
INDEX to PARTS CATALOG
486
1. EXTERIOR (A490)
487
December 1, '90
487
2. TRANSPORT (A490)
489
3. SORTER MAIN BOARD (A490)
491
4. SORTER MAIN HARNESS (A490)
493
5. DECAL AND DOCUMENT (A490)
495
PARTS INDEX
497
DF57 (A318)
501
2. FEED IN SECTION (A318)
506
4. MAIN BOARD (A318)
512
5. INDICATION BOARD (A318)
515
6. MAIN HARNESS (A318)
517
7. INTERFACE HARNESS (A318)
519
FACTORY SETTING
529
SERIAL No
529
P/N A0486684
529
± 0.1 using
530
± 0.2 using
530
Data Table
532
SP MODE OVERVIEW
534
USER CODE
538
AD120 (A491)
539
1. DUPLEX UNIT I (A491)
541
2. DUPLEX UNIT II (A491)
544
3. DUPLEX MAIN BOARD (A491)
546
4. DUPLEX HARNESS (A491)
548
5. SENSOR HARNESS (A491)
550
6. DECAL AND DOCUMENT (A491)
552
POWER SUPPLY UNIT (A494)
559
1. POWER SUPPLY UNIT (A494)
561
2. INTERFACE BOARD (A494)
563
3. DC DRIVE BOARD (A494)
565
TABLE OF CONTENTS
572
INSTALLATION
575
SERVICE TABLES
576
TROUBLESHOOTING
580
COPIER ELECTRICAL DATA
581
WATER PROOF SHEETS
584
FT4421 SERVICE MANUAL
585
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