Other Printing Problems - Canon BJC-3000 Service Manual

BJC-3000
4. Faulty Printing
/Other Printing
Problems
Symptom
• Paper
contamination
• Spur marks appear
• Vertically-oriented
lines are
mis-aligned
Check Item
Ink mist, etc., on the paper guide
plate on the platen.
Ink has adhered to the paper feed
section. (The paper is already
contaminated by the time it
reaches the platen.)
The spur tips are deformed.
The paper selector lever is not set
in the appropriate position.
Check for misalignment in the
nozzle check pattern print.
Grease application on the guide
shaft.
Carriage motor status
4-21
Part 4: Troubleshooting
Measures
Clean with a soft moist cloth.
Disassemble and clean the paper
feed section with a soft moist
cloth.
Pass a few sheets.
Replace the spur unit.
Set the lever to the specified
position.
Readjust the print position.
Apply the appropriate amount in
the specified place.
Replace the carriage motor.