Table of Contents
Advertisement
Troubleshooting Items
Remedy for Image Failure
When an image failure occurs, perform the remedy by referring to the following material.
• User's Guide > Top > Troubleshooting > When You Cannot Print Properly
NOTE:
URL of User's Guide -> http://canon.com/oip-manual
Image Failures Occur at Regular Intervals
Overview
Foreign matters or scratches on rollers may cause image failures of the regular intervals in the vertical scanning direction of the
image.
Field Remedy
Clean or replace the corresponding parts according to the following table.
CAUTION:
Since the Primary Charging Roller and Developing Roller are located inside the cartridge and cannot be cleaned, replace
the cartridge.
Cause of failure
Cassette Pickup Roller
Cassette Separation Roller
Cassette Feed Roller
Registration Roller
Transfer Roller
Toner Cartridge
Primary Charging Roller Approx. 28 mm
Photosensitive Drum
Developing Roller
Fixing Unit
Fixing Film
Pressure Roller
CAUTION:
The outer circumference may be different from the width of the image failure depending on the factors including processing
speed and/or amount of image shrink/expansion.
Checking the Nip Width of the Fixing Assembly
Overview
Although the nip width of the Fixing Assembly cannot be adjusted with this machine, it can be checked.
By checking the nip width when fixing failure occurs, it is possible to judge whether there is a problem with the Fixing Assembly.
Field Remedy
Check the nip width of the Fixing Assembly by the following procedure.
Outer circumference (mm)
Approx. 50 mm
Approx. 44 mm
Approx. 50 mm
Approx. 43 mm
Approx. 39 mm
Approx. 75 mm
Approx. 31 mm
Approx. 57 mm
Approx. 63 mm
139
7. Troubleshooting
Symptom
Soiling
White
Soiled
spots
back
Occurs
-
-
-
Occurs
Occurs
-
-
-
Occurs
-
Occurs
Occurs
-
Occurs
Occurs
Occurs
-
Occurs
Occurs
Occurs
Occurs
-
Occurs
Fixing fail-
ure
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Occurs
Occurs
Advertisement
Table of Contents
Troubleshooting
