Canon IR5000 - iR B/W Laser, Service Handbook

Page: 69 / 252

CHAPTER 2 STANDARDS AND ADJUSTMENTS
2-49
4) Open the front cover, and slide out the pickup feeding unit to the front.
5) Remove the three screws [3], and detach the front switch cover [4].
F02-803-02
6) Free the cable of the potential control PCB from the cable clamp, and disconnect the
connector (4-pin) [5] connected to the DC controller PCB.
F02-803-03
7) Put the pickup feeding unit back into its initial position, and fit the door switch tool in
the door switch assembly; then, turn on the main power switch.
8) Make the following selections in service mode, and check to find out that the reading
during initial rotation is between 0 and 30: COPIER>DISPLAY>DPOT>DPOT-K.
If the reading is not between 0 and 30, suspect a fault on the DC controller PCB.
9) Turn off the main power switch, and remove the door switch tool.
10) Remove the jumper wire from the DC controller PCB.
[3]
[4]
[5]