Lexmark 2030 Color Jetprinter Service Manual - Page 20

FRU / Function, Action, Print Cartridge Latch

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4091-001 FRU / Function 1 Print Cartridge 2 Color Print Cartridge Cross Contamination 3 Printhead Carrier Assembly 4 System Board Printhead Cable Rubber Backer Action Be sure the machine contains good print cartridges. Cross contamination of color inks results in incorrect colors printed, as when green prints for yellow, (when yellow and blue are mixed in the print cartridge). This problem resolves quickly as the print cartridge is used. If cross contamination occurs, check the following: • The maintenance station wiper for damage. • The printhead nozzle plate was resealed with tape. Reseat the printhead cables in the system board and check the following parts for wear or damage: • Print Cartridge Latch • Latch Spring • Carrier • Run the "Test Page" on page 3-1. Look for a break in the diagonal line of the test pattern. A broken line indicates one or more print nozzles are not working. Run the test again to verify the failure. If there are even breaks in the diagonal line similar to the pattern shown below, ensure the printhead cables are connected properly. If the symptom remains, replace the system board. 2-10 If there is a single break or random breaks in the diagonal line, check the following: • Check the gold-plated contacts, on the end of the cable that connect to the carrier, for dirt and wear. Use only a clean dry cloth to clean the contacts. Also check the cable for damage. You may need to remove the cable from the carrier to inspect it. • A worn rubber backer results in poor contact between the printhead cable and the print cartridge. Check the rubber backer for wear.

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2-10
4091-001
FRU / Function
Action
1
Print Cartridge
Be sure the machine contains good print
cartridges.
2
Color Print
Cartridge Cross
Contamination
Cross contamination of color inks results in
incorrect colors printed, as when green prints for
yellow, (when yellow and blue are mixed in the
print cartridge). This problem resolves quickly as
the print cartridge is used.
If cross contamination occurs, check the following:
•
The maintenance station wiper for damage.
•
The printhead nozzle plate was resealed with
tape.
3
Printhead Carrier
Assembly
Reseat the printhead cables in the system board
and check the following parts for wear or damage:
•
Print Cartridge Latch
•
Latch Spring
•
Carrier
4
System Board
Printhead Cable
Rubber Backer
•
Run the
“Test Page” on page 3-1
. Look for a
break in the diagonal line of the test pattern. A
broken line indicates one or more print nozzles
are not working. Run the test again to verify the
failure. If there are even breaks in the diagonal
line similar to the pattern shown below, ensure
the printhead cables are connected properly. If
the symptom remains, replace the system
board.
If there is a single break or random breaks in the
diagonal line, check the following:
•
Check the gold-plated contacts, on the end of
the cable that connect to the carrier, for dirt and
wear. Use only a clean dry cloth to clean the
contacts. Also check the cable for damage. You
may need to remove the cable from the carrier
to inspect it.
•
A worn rubber backer results in poor contact
between the printhead cable and the print
cartridge. Check the rubber backer for wear.