[7] MAINTENANCE AND DETAILS OF EACH SECTION
[Maintenance System Table] . . . . . . . . . . . . . . . . . . . . . . .7-1
1.
Engine section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
2.
Scanner / DSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
3.
[DETAILS OF EACH SECTION] . . . . . . . . . . . . . . . . . . . .7-4
1.
Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-4
[OPC drum section] . . . . . . . . . . . . . . . . . . . . . . . . . .7-6
[Developing section] . . . . . . . . . . . . . . . . . . . . . . . . .7-16
2.
Fusing section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-21
3.
4.
Transport section/Paper exit reverse section . . . . . .7-33
5.
6.
Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-46
7.
DSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-54
8.
9.
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-66
12. PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-72
13. Fan motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-74
[8] ADJUSTMENTS
1.
Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
A. Doctor gap adjustment . . . . . . . . . . . . . . . . . . . . .8-1
B. MG roller main pole position adjustment . . . . . . . .8-1
2.
A. Adjustments on the engine side . . . . . . . . . . . . . .8-3
3.
Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-10
A. OC scan distortion adjustment
(MB-B rail height adjustment) . . . . . . . . . . . . . . .8-10
B. Vertical image distortion balance adjustment
(Copy lamp unit installing
position adjustment) . . . . . . . . . . . . . . . . . . . . . .8-11
C. Vertical image distortion balance adjustment
(No. 2/3 mirror base unit installing
and position adjustment) . . . . . . . . . . . . . . . . . . .8-11
D. Vertical (sub scanning direction) distortion
adjustment [Winding pulley position
adjustment] . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-11
E. Height adjustment of original detection
F. Original size detection photo sensor check . . . . .8-12
G. Original size detection photo sensor
adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-12
ii
[9] SIMULATION
1.
2.
Code-type simulation. . . . . . . . . . . . . . . . . . . . . . . . . 9-1
A. Operating procedures and operations . . . . . . . . . 9-1
C. Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
3.
[10] MACHINE OPERATION
1.
A. Size and weight of acceptable originals . . . . . . . 10-1
B. Total number of originals that can be set
in the document feeder tray . . . . . . . . . . . . . . . . 10-1
2.
Standard original placement orientations . . . . . . . . 10-1
3.
Automatic copy image rotation -
rotation copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
4.
A. Applicable plain paper . . . . . . . . . . . . . . . . . . . . 10-2
B. Applicable special paper . . . . . . . . . . . . . . . . . . 10-3
5.
A. Fusing unit pressure adjusting levers . . . . . . . . 10-3
[11] TROUBLE CODES
1.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
2.
Trouble codes list . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
3.
4.
[12] ROM VERSION-UP METHOD
1.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
2.
Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
3.
Flash ROM update procedures . . . . . . . . . . . . . . . . 12-1
A. Preliminary arrangement . . . . . . . . . . . . . . . . . . 12-1
B. Update procedure 1 (Writing with each ROM
inserted to the specified slot) . . . . . . . . . . . . . . . 12-2
C. Update procedures 2 (Writing to each ROM
by use of CN6 of the controller PWB) . . . . . . . . 12-2
E. Turning off the power during update . . . . . . . . . 12-3
F. Update window display in normal booting . . . . . 12-3
G. Update process flow . . . . . . . . . . . . . . . . . . . . . 12-3
[13] ELECTRICAL SECTION
1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
2.
3.
Y105220-6