Operation Troubleshooting; O P E R Atio N T R O U B Le S H O O Tin G; Vi. Operation Troubleshooting - Canon DR-9080C Service Manual

CHAPTER 5 TROUBLESHOOTING

VI. OPERATION TROUBLESHOOTING

When an operation problem occurs, first check for an Error Code on the counter display. In addition,
check the operation of the various sensors, motors and solenoids using the 'Service Modes'. For details on
the 'Error Codes' and 'Service Modes', refer to the corresponding sections.
1 No power
Note: Immediately after the AC power supply is turned off, the capacitor on the DC power supply PCB is
still charged, so wait 10 seconds or more after the AC power supply is turned off before you
connect/disconnect any connectors.
Cause/Faulty location
Connection of power cord
AC power supply voltage
Power switch
Connectors related to the
DC power supply
Connectors related to the
operation panel
DC power supply PCB
MAIN_DCON
5 - 24
Step Check item
1 Is the power cord connected?
2 Is the specified voltage being
supplied at the outlet?
3 Does the power switch work
normally?
4 Are J102 and J117 of
MAIN_DCON securely
connected?
5 Are CN1 and CN6 of DC power
supply PCB securely
connected?
6 Are J140 of MAIN_DCON and
J1201 of the operation panel
PCB securely connected?
7 Does LED104 (+24V) of
MAIN_DCON illuminate?
8 Is the problem solved when the
DC power supply PCB is
replaced?
9 Power Does LED101 (for CPU
operation check) flash, and
does LED106 (+5V) illuminate?
Table 5-601
COPYRIGHT © 2003 CANON ELECTRONICS INC. CANON DR-6080/9080C FIRST EDITION OCT. 2003
Result Action
NO Connect it.
NO Explain to the
customer that the
trouble is not with the
machine.
NO Check the movement
of the power switch
shaft assembly.
NO Check that they are
securely connected.
NO Check that they are
securely connected.
NO Connect them
securely. If the LED of
the operation panel
does not illuminate,
replace the operation
panel.
NO Replace the DC
power supply PCB.
YES End.
NO Replace the
MAIN_DCON.