Canon clc 4000

**jake24482** · 12-09-2011

Hi i am working on clc 4000 and have a err code e 020-0460 if some one know what causing it please share with me
thanks alot

**zoraldinho** · 12-10-2011

E020 xx60

SALT sensor (dirt on window, damage)
Photosensitive drum (dirt; cleaning failure)

During multiple initial rotation (at poweron, for
example), the window cleaning correction value is 60%
or lower.

Toner Density Fault

xx=01:C
xx=02:M
xx=03:Y
xx=04:BK

xx represents the color for the developing assembly.
The notations in the descriptions are as follows:
SGNL, toner density signal; REF, reference signal.

read pdf.....clc5100-016.pdf