Canon BJC 6000 - Color Inkjet Printer Service Manual page 150

Part 5: Maintenance
3. Faulty
Printing: Blank
Lines Appear
<Measure>
Cleaning operation
Nozzle check pattern
Do print problems
appear?
Yes
1. Replace the relevant
ink tank
2. Replace the relevant
BJ cartridge
Do print problems
still appear?
Yes
To next
page
<Symptoms>
<Cause>
The BJ cartridge(s), BJ cartridge contact(s), carriage
ribbon cable, purge unit, control board or carriage
board is defective.
Perform the cleaning operation 5 times.
See Part 3: 3.5.2 Nozzle check pattern printing
(page 3-16)
No
END
No
END
5-32
• Blurred prints
• Blank lines
• Specific dot missing
BJC-6000