20Mm Or Less Length Of Streak On Image (Development Stain) Due To The Toner Clump On The Developing Sleeve - Canon imagePRESS C800 Series Troubleshooting Manual

Chapter 1
Service work
1) Open the left front [b] cover. Release the open/close lever [c] of the decurler unit to open the rotary frame unit [d].
2) Clean the 2 decurler rollers [a] with lint-free paper moistened with alcohol.
3) Output the image having shown the symptom, and check that the symptom does not occur.
If the symptom does not improve, check other causes.

1.1.1.6.10 20mm or less length of streak on image (development stain) due to the toner clump on the developing sleeve

0031-7354
[ Verified by Canon Inc. ]
Symptom
20mm or less length of streak on image (development stain) [a] may occur when an image of low density is passed through the machine consecutively.
The arrow [b] indicates the feed direction.
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