Canon GP215, Service Handbook, Page: 70 / 217

4–14
TROUBLESHOOTING MALFUNCTIONS
22 E710, E711, E712, E713, E716 (IPC communication error)
23 E717 (error in communication with Copy Data Controller)
24 E803 (composite power supply PCB 24V output error)
Cause
DC controller
PCB
Step
1
Checks
Turn OFF/ON the main power
supply. Is the problem correct-
ed?
Yes/No
YES
NO
Action
End.
Replace the DC controller
PCB.
Cause
Copy Data
Controller
DC controller
PCB
Step
1
2
Checks
Clear ‘E717’ by executing
‘ERROR’ in service mode (*4*);
thereafter, turn OFF/ON the
main power supply. Is the prob-
lem corrected?
Replace the Copy Data
Controller. Is the problem cor-
rected?
Yes/No
YES
YES
NO
Action
End.
End.
Replace the DC controller
PCB.
Cause
Scanning lamp
DC controller
PCB
Composite
power supply
PCB
Step
1
2
3
Checks
Turn OFF/ON the main power
switch. Is the problem correct-
ed?
Does the scanning lamp
remains OFF or turns ON but is
dim when the Coy Start key is
pressed?
Replace the DC controller
PCB. Is the problem corrected?
Yes/No
YES
YES
YES
NO
Action
End.
• If the lamp does not turn
ON, see “The scanning
lamp fails to turn ON.”
• If the lamp turns ON, check
it to see if its both ends are
black; if so, replace the
lamp.
End.
Replace the composite power
supply PCB.