Canon BJC6500 Service Manual - Page 85
Faulty Printing, Blank Lines, Appear
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BJC-6500 Part 4: TROUBLESHOOTING 3. Faulty Printing: Blurred prints Blank lines Blank Lines Specific dot missing Appear The BJ cartridge(s), BJ cartridge contacts, carriage ribbon cable, purge unit, control board or carriage board is defective. Cleaning operation Perform the cleaning operation 5 times. Print the Nozzle check pattern See Part 3: 1.3.2 Nozzle check pattern printing (page 3-6) TROUBLE SHOOTING Do print problems No appear? Yes END Reinstall the BJ cartridge Reinstall the relevant BJ cartridge. Faulty printing No still occur? Yes END To next page 4-21
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<Symptoms>
Blurred prints
Blank lines
Specific dot missing
<Cause>
The BJ cartridge(s), BJ cartridge contacts, carriage
ribbon cable, purge unit, control board or carriage
board is defective.
<Measure>
4-21
BJC-6500
Part 4: TROUBLESHOOTING
TROUBLE
SHOOTING
Cleaning operation
Print the
Nozzle check pattern
Perform the cleaning operation 5 times.
(page 3-6)
See
Part 3: 1.3.2 Nozzle check pattern printing
Yes
No
To next
page
END
Faulty printing
still occur?
Do print problems
appear?
END
No
Yes
Reinstall the BJ
cartridge
Reinstall the relevant BJ cartridge.
3. Faulty Printing:
Blank Lines
Appear