Service Manual

<Symptoms> • The printer does not print at all.
• Printing stops mid-way.
• Only a certain color is printed.
<Cause> • The ink has run out or the BJ cartridge is faulty.
• The carriage unit is faulty, the carriage cable is
faulty, the purge unit is faulty, or the logic board is
faulty.
<Measure>
Part 5: Maintenance
BJC-7100
5-34
4. Faulty printing <1>:
No printing
Repeat head cleaning and
deep cleaning operations
4 or 5 times.
OK?
Remove BJ cartridges.
Check contacts (both
cartridge and carriage).
Replace color and
photo ink tanks.
END
OK?
OK?
No
Yes
Yes
No
Yes
No
Make a test print.
END
Clean contacts.
Make a test print.
Replace black
BJ cartridge.
A
Repeat head cleaning and
deap cleaning operations
4 or 5 times.
Replace color/
photo BJ cartridge.
• Check for ink on contacts.
• Check that contacts are not bent or
displaced.
A