Canon imagePRESS 1135 Series Service Manual page 1402

Title Separation claw trace
Explaination [Detailed explanation]
Separation claw trace might occur in the sub scanning direction of the image in the
first page on duplex printing of the heavy paper after continuance feeding of plain
papers.
[Cause]
Assumed cause is small cuts on the pressure roller due to the contact of the
separation claw at plain paper feeding.
[Field Remedy]
Service Mode> COPIER> FUNCTION> CLEANING> FX-CLN, input "1", press OK,
and execute refresh operation of the pressure roller.
[Note]
If the refresh operation is executed frequently, the surface of the pressure roller may
get cuts (sharp vertical lines) by the refresh roller.
8
Service Mode > Situation Mode > Troubleshooting
8 Service Mode > Situation Mode > Troubleshooting
Title Blurred image
Explaination [Detailed explanation]
Approx. 10mm-width blurred image [A] appears on approx. 300mm from the leading
edge on the large size heavy paper. If the similar symptom occurs.
[Cause]
Paper is pulled between the secondary transfer roller and the fixing roller.
[Field Remedy]
1. Set the front and backside of the paper reversely.
2. If the symptom still occurs, check the version on Service Mode> COPIER>
DISPLAY> VERSION> DC-CON, if the version is earlier than Ver.15.06, upgrade it
to the version later than Ver.15.06, and proceed to step 3).
3. To slow the speed of the fixing roller, Service Mode > COPIER > OPTION > IMG-
FIX > FX-SPD-3, see the value set there. And, while checking the image outputted,
decrease the value one by one. The setting range is "-5" to "5". If the numerical
value changes by "1", the rotation speed will change by 0.5 %.
[Note]
If the speed of the fixing roller is overly decreased, uneven density might occur approx
235mm [B] from image leading edge or image trailing edge [C].
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