Pcbs; Dc Controller Pcb - Canon iR5000i Service Manual

CHAPTER 7 EXTERNALS AND CONTROLS

5.4 PCBs

5.4.1 DC Controller PCB

1) Remove the rear upper cover.
2) Disconnect the 26 connectors, and re-
move the seven screws [1]; then, detach
the DC controller PCB [2].
Keep the following three points in mind when replacing the PCBs:
•
•
•
7-22 P
Be sure to transfer the six EEP-ROMs from the old to new PCBs; at
that time, be sure to refer to the color of each round label attached to the
EEP-ROM for correct transfer.
Be sure to enter the values indicated on the label [3] on the new PCB in
service mode by making the following selections:
COPIER>ADJUST>HV-TR>D-PRE-TR
COPIER>ADJUST>HV-TR>D-HV-TR
COPIER>ADJUST>HV-SP>D-HV-SP
COPIER>ADJUST>DEVELOP>D-HV-DE
Be sure to transfer the shorting connector [4] of J303 on the PCB from
the old to new PCB. (Keep in mind that failure to do so will disable the
control panel indication.)
Yellow
Blue
(IC109)
(IC127)
[3]
COPYRIGHT © 2001 CANON INC.
Brown
(IC104)
Red (IC105)
Green (IC110)
[4]
J303
White (IC130)
F07-504-02
2000 2000 2000 2000
[1]
[1]
F07-504-01
CANON iR5000i/iR6000i REV.0 JUNE 2001
[2]