White Spots Appear At 68Mm Intervals - Canon imagePRESS C7000VP Series Trouble Shooting Information

3.13 White spots appear at 68mm intervals

 Description
Because of a soiling on the secondary transfer internal roller, white spots appeared at 68mm
intervals. When the same symptom occurs, perform the following field remedy.
 Cause
A metal powder soiling existed on the surface of the secondary transfer internal roller.
 Field Remedy
1. Taking care not to cause damage to the ITB belt, detach the secondary transfer internal
roller unit [A], and then clean the secondary transfer internal roller [B] with lint-free paper
moistened with alcohol.
3. Return the detached secondary transfer internal roller unit, and then make copies to
check output images.
FC5-9252 Transfer Roller2
Trouble Shooting Information for C7000VP series
Page 76
Rev. 2.0
2010/09/17