E044 - Canon CLC5000 Service Manual

CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
b. E041–0002, 0003
1) Is the lifter down and pushing the switch when 'E041' is indicated?
NO:
Lifter lower limit switch (SW8002)
2) Turn OFF and ON the power switch to clear 'E041'.
NO:
YES: Replace the DC controller PCB.
Paper deck motor (M8001)
DC controller PCB
3) Turn OFF and ON the power switch.
YES: Check the drive system and wiring from the motor; if normal, re-
NO:

4.1.16 E044

Paper width reference value data (faulty)
1) Enter the values recorded on the service label to the following un-
YES: End.
Paper width reference value
2) Using 'FUNC > CST-AD' in service mode, set the paper width refer-
YES: End.
Variable resistor
3) Shift the paper guide for the paper width direction. Does the resis-
NO:
YES: Replace the DC controller PCB.
5-124
Go to step 3.
Does bit 5 of address 801004 under 'DISPLAY > SENSOR' in ser-
vice mode change when the lifter lower limit switch (SW8002) is
pressed by a finger?
Check the wiring from the switch to the DC controller PCB; if nor-
mal, replace the sensor.
Does the voltage between J2223-A-5 (+) and J2223A-3 on the DC
controller change from 0 V to 24 V?
place the motor.
Replace the DC controller PCB.
der 'ADJUST > DC-CON' in service mode: UP-A4R, UP-STMR,
LOW-A4R, LOW-STMR, MF-A4R, MF-A6R, MF-A4. Doe the er-
ror disappear?
ence value once again. Is the problem corrected?
tance of the variable resistor change?
Replace the variable resistor.
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001