Read Sharp AR-C262M (serv.man3) Service Manual online
[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
(LED (writing) unit) . . . . . . . . . . . . . . . . . . . . . . 8-6
[ADJ 4]
Image registration adjustment . . . . . . . . . . . . . 8-9
[ADJ 5]
Image position/print area adjustment
(Print engine section) . . . . . . . . . . . . . . . . . . . 8-15
(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
copy magnification ratio) adjustment
(CCD unit position adjustment) . . . . . . . . . . . 8-19
[ADJ 8]
Sub scanning direction copy magnification
ratio adjustment . . . . . . . . . . . . . . . . . . . . . . . 8-20
ratio adjustment . . . . . . . . . . . . . . . . . . . . . . . 8-20
[ADJ 9]
Main scanning direction copy image position
adjustment (Scanner (reading) section) . . . . . 8-20
adjustment (Scanner (reading) section) . . . . . 8-20
[ADJ 10]
Copy image position/image loss/void area
adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
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
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
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
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
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
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
Flash ROM’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-9
[13] ELECTRIC DIAGRAM
1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
A. PCU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
B. ICU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2
C. MFP PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3
D. PRINT CONTROL PWB. . . . . . . . . . . . . . . . . . . . 13-4
2.
AC power line diagram . . . . . . . . . . . . . . . . . . . . . . . 13-5
3.
DC power line diagram . . . . . . . . . . . . . . . . . . . . . . . 13-7
4.
ACTUAL WIRING CHART. . . . . . . . . . . . . . . . . . . . . 13-8
5.
Signal list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-24
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