Canon Self Diagnosis and Troubleshooting for Copiers: E803 Error Code

CHAPTER 6 SELF DIAGNOSIS

E803

0000	The 24V output from the composite main power supply PCB is absent for 1
	sec or more.
Main cause	The wiring is faulty (short circuit, open circuit). The composite power sup-
	ply PCB is faulty. The DC controller PCB is faulty.

Making Corrections

1. Connectors

Are the connectors J204 on the main power supply PCB and the connector J300 on the DC controller PCB connected securely?

NO: Connect the connectors securely.

2. Main power supply PCB

Is 24 V supplied by the main power supply PCB (J204) to the DC controller PCB (J300)?

(J204-5 <-> J300-5: OVU3, J204-6 <-> J300-6: OVU3, J204-7 <-> J300-7: 24VU3, J204-8 <-> J300-8: 24VU3) NO: Replace the main power supply PCB.

YES: Replace the DC controller PCB.

6-34 T COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001