Canon imageRUNNER ADVANCE C5255 Series Service Manual page 560

■ E733-0001/0002: Printer communication error
[Description]
A communication error between the DC Controller PCB and the Main Controller PCB 2 was
detected.
[Remedy]
Start remedy for
communication error
Disconnect and then connect
the connector of the harness.
Place an original on the
Copyboard and make a copy.
No
Is the error cleared?
Yes
End
6
Troubleshooting > Troubleshooting items > Error Code > E733-0001/0002: Printer communication error
Check (connection and conduction
state of)/replace the related
harness/cable, connector and parts.
(Refer to [Related parts].)
Yes
Is the error cleared?
No
Collect Sublog and contact
to the sales company.
NOTE:
If the cause of the error cannot be
identified by analyzing Sublog,
it may require investigation separately.
6 Troubleshooting > Troubleshooting items > Error Code > E733-0001/0002: Printer communication error
[Related parts]
• Harness between the Riser PCB (J102) and the DC Controller PCB (UN1) (Unit of
replacement: Flat Cable)
• DC Controller PCB (UN1) (Unit of replacement: DC CONTROLLER PCB ASSEMBLY)
• Main Controller PCB 2 (Unit of replacement: MAIN CONTROLLER PCB ASS'Y, 2)
[Reference]
Before replacing the DC Controller PCB, back up the service mode data (approx. 2 min) and
restore the backup data after the replacement so the data may be able to be protected.
• Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP
• Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES
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