Canon CLC1000 Service Manual page 364

Code
SALT sensor shutter (fault)
l
Developer (deterioration)
l
Developing cylinder (rotation fail-
l
ure)
Developing assembly (locking
l
failure)
Toner density sensor (faulty)
l
Developer (inside developing
l
assembly; stirring failure)
Toner level sensor (faulty)
l
E020
Cause Description
xx90 Extreme changes have occurred ln
the window soiling correction value 10
times or more.
An error has occurred in the data 10
xx91
times or more as a result of window
soiling correction.
During copying sequence, the varia-
tion in 5 samplings of the following
values is 47 or higher:
SGNL-Y, SGNL-MN, SGNL-C
During copying sequence, the varia-
tion in 5 samplings of the following
values is 47 or higher:
When setting initial data, the average
after sampling of the following values
is 859 or higher:
SGNL-Y, SGNL-M, SGNL-C
When setting initial data, the average
after sampling of the following values
is 859 or higher:
REF-Y, REF-M, REF-C
When setting initial data, the average
after sampling of the following values
is 255.
SIGG-Y, SIGG-M, SIGG-C
When setting initial data, the average
after sampling of the following values
is 777 or lower:
SGNL-Y, SGNL-M, SGNL-C
When setting initial data, the average
of the following values after sampllng
is 205 or lower:
REF-Y, REF-M, REF-C
When setting initial data, the average
of the following values after sampling
is 0:
SIGG-Y, SIGG-M, SIGG-C
During copying sequence, the aver-
age of the following values after sam-
pling is 1013 or higher:
SGNL-Y, SGNL-M, SGNL-C