Sharp AR-BC320 Service Manual page 3

5. Paper feed, paper transport, and paper exit
sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-27
A. Operational descriptions. . . . . . . . . . . . . . . . . . . . 7-27
B. Disassembly/assembly/maintenance . . . . . . . . . . 7-33
6. Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-40
A. Operational descriptions. . . . . . . . . . . . . . . . . . . . 7-40
B. Disassembly/assembly/maintenance . . . . . . . . . . 7-41
7. External fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-42
A. Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-42
8. Others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-44
A. Disassembly/assembly/maintenance . . . . . . . . . . 7-44
9. RADF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-47
A. Operational descriptions. . . . . . . . . . . . . . . . . . . . 7-47
B. Disassembly/assembly/maintenance . . . . . . . . . . 7-58
[8] SETTING AND ADJUSTMENTS
[ADJ 1] High voltage adjustment . . . . . . . . . . . . . . . . . 8-2
[ADJ 2] Image density sensor adjustment . . . . . . . . . . 8-4
[ADJ 3] Image focus, image skew adjustment
(LED (writing) unit) . . . . . . . . . . . . . . . . . . . . . . 8-6
[ADJ 4] Image registration adjustment . . . . . . . . . . . . . 8-9
[ADJ 5] Image position/print area adjustment
(Print engine section) . . . . . . . . . . . . . . . . . . . 8-15
[ADJ 6] Copy image distortion adjustment . . . . . . . . . 8-16
[ADJ 7] Copy image focus (main scanning direction
copy magnification ratio) adjustment
(CCD unit position adjustment) . . . . . . . . . . . 8-19
[ADJ 8] Sub scanning direction copy magnification
ratio adjustment . . . . . . . . . . . . . . . . . . . . . . . 8-20
[ADJ 9] Main scanning direction copy image position
adjustment (Scanner (reading) section) . . . . . 8-20
[ADJ 10] Copy image position/image loss/void area
adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
[ADJ 11] Copy color balance/density adjustment . . . . . 8-22
[ADJ 12] Fusing pressure adjustment. . . . . . . . . . . . . . 8-38
[ADJ 13] Fusing paper guide position adjustment . . . . 8-38
[ADJ 14] Document size sensor adjustment. . . . . . . . . 8-39
[ADJ 15] Manual paper feed tray paper size sensor
adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-39
[ADJ 16] Touch panel coordinates setting . . . . . . . . . . 8-40
[ADJ 17] Power voltage adjustment . . . . . . . . . . . . . . . 8-40
[ADJ 18] FAX/scanner mode image loss adjustment . . 8-40
[ADJ 19] RADF adjustment. . . . . . . . . . . . . . . . . . . . . . 8-40
[ADJ 20] Printer color balance adjustment . . . . . . . . . . 8-42
[ADJ 21] Collective adjustment of image position
and magnification ratio. . . . . . . . . . . . . . . . . . 8-46
[9] SIMULATION
1. Outline and purpose . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
2. Code-type simulation . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
A. Operating procedures and operations . . . . . . . . . . 9-1
B. Simulation list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
C. Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
[10] MAINTENANCE LIST
1. Maintenance system table. . . . . . . . . . . . . . . . . . . . . 10-1
2. List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
A. Drum peripheral section . . . . . . . . . . . . . . . . . . . . 10-3
B. Developing section. . . . . . . . . . . . . . . . . . . . . . . . 10-3
C. Transfer section . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
D. Fusing section . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
E. Optical section (Scanner section) . . . . . . . . . . . . 10-6
F. Paper feed section, transport section. . . . . . . . . . 10-7
G. LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7
H. Filters, drive section, others . . . . . . . . . . . . . . . . . 10-8
I. RADF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
3. Relationship of maintenance timing,
consumable part life, display message,
and machine operations . . . . . . . . . . . . . . . . . . . . . . 10-9
A. Relationship of maintenance counter, display
message, and machine operations . . . . . . . . . . . 10-9
B. Relationship of transfer unit system counter,
display message, and machine operations . . . . 10-10
C. Relationship of fusing unit counter, display
message, and machine operations . . . . . . . . . . 10-11
D. Relationship of drum cartridge system counters,
messages, and machine operations . . . . . . . . . 10-11
E. Relationship of toner cartridge system counters,
display messages, and machine operations . . . 10-12
[11] TROUBLESHOOTING
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
2. Functions and purposes . . . . . . . . . . . . . . . . . . . . . . 11-1
3. Kinds of self diagnostic messages . . . . . . . . . . . . . . 11-1
4. Self diagnostic operation . . . . . . . . . . . . . . . . . . . . . . 11-1
A. Self diagnostic operation and work flow. . . . . . . . 11-1
5. List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
6. Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
[12] ROM VERSION UP
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
A. Target ROM for version up. . . . . . . . . . . . . . . . . . 12-1
B. When version up of ROM is required . . . . . . . . . . 12-1
C. Flash ROM version up method . . . . . . . . . . . . . . 12-2
2. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-4
A. Relationship between each ROM and
version up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-4
3. Necessary items for version up (copy) of
Flash ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5
4. Flash ROM version up procedure . . . . . . . . . . . . . . . 12-6
A. By using a computer and the ICU PWB, the
program data of Flash ROM is written from the
computer to the Flash ROM of the ICU PWB. . . . 12-6
B. Method using two Flash ROM sockets on
the ICU MAIN PWB to copy between
Flash ROM's . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-9