Canon IR3300, IR2800, IR2200 manual Back of the copy is soiled/Soiled edge, 18 T

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

3.13The back of the copy is soiled/Soiled edge.

Exposure system

1)Turn off the main power switch while paper is moving in the feeding assembly. At this time, is the back of the paper soiled?

NO: Go to step 5.

Transfer guide assembly

2)Does the back of paper soiled after replacing the drum that caused a black line or the like?

YES: Clean the transfer guide.

Transfer guide bias, Transfer guide

3)During copying, is the voltage between the transfer guide (+) and the machine side plate (-) about -50 to -650V?

NO:

•Check the transfer guide bias connector.

•Clean the transfer guide.

•Clean the bottom of the developing assembly.

Developing assembly, Registration roller, Drum cleaner

4)Does the problem occur at intervals of about 50 mm? YES:

•Clean the registration roller.

•Clean the transfer guide.

•Check the developing assembly for leakage of toner.

•Clean the bottom of the developing assembly.

NO:

•Clean the feeding assembly.

•Clean the transfer guide.

•Check the drum cleaner assembly fro leakage of waste toner.

Transfer charging roller

5)Execute cleaning of the roller in user mode. Is the problem corrected? YES: End.

Fixing assembly

6)Execute fixing cleaning mode in the following service mode:

COPIER>OPTION>BODY>FIX-CLN. Is the problem corrected?

NO: Replace the fixing cleaning roller.

YES: End.

4-18 T COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001