Canon Image Reader-A1 iR5000i Service Manual page 694

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4.2.12 The hopper stirring motor (M9) fails to operate
General condition
1) Execute 'code: 5' (MTR-ON) in service mode
NO:
Hopper toner sensor (TS2)
2) Is bit 10 in service mode (COPIER>I/O>DC-CON>IO-P02) '0', in-
YES: If the hopper is adequately supplied with toner, replace the sensor.
DC controller PCB
3) Execute 'code: 5' (MTR-ON) in service mode
NO:
Relay connector (J153, J158)
4) Is the connection of the relay connector secure?
NO:
4.2.13 The hopper supply motor (M10) fails to operate
General condition
1) Execute 'code: 6' (MTR-ON) in service mode
NO:
Hopper toner sensor (TS2)
2) Is bit 10 in service mode (COPIER>I/O>DC-CON>IO-02) '0', indi-
YES: If the hopper is adequately supplied with toner, replace the sensor.
DC controller PCB
3) Execute 'code: 6' in service mode (MTR-ON)
NO:
Relay connector (J153, J155)
4) Is the connection of the relay connector secure?
NO:
4-46 T
(COPIER>FUNCTION>PART-CHK>MTR). Does the motor oper-
ate?
Go to step 3).
dicating the absence of toner?
(COPIER>FUNCTION>PART-CHK>MTR) to turn on the motor.
Does the voltage between J103-B7 (+) and J103-B8 (GND) on the
controller PCB change to about 24 V?
Replace the DC controller PCB.
Connect it securely.
(COPIER>FUNCTION>PART-CHK>MTR). Doe the motor oper-
ate? Be sure to turn off the motor within about 10 sec to prevent
clogging with toner.
Go to step 3).
cating the absence of toner?
(COPIER>FUNCTION>PART-CHK>MTR) to operate the motor.
Does the voltage between J103-B5 (+) and J103-B6 (GND) on the
DC controller PCB change to about 24 V?
Replace the DC controller PCB.
Connect it securely.
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001