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2-14 Service Manual
4098-001
Print Quality Service Check
FRU Action
1 Print Cartridge Be sure the machine contains good print
cartridges.
2ColorPrint
Cartridge Cross
Contamination
Wiper
Print Cartridge
Cross contamination of color inks results in
incorrect colors printed, as when green prints for
yellow. This problem resolves quickly as the print
cartridge is used.
If cross contamination occurs, check the
maintenance station wiper for damage. Also,
check that the printhead nozzle plate is not
resealed with tape.
3 Printhead Carrier
Assembly
Reseat the printhead cables in the system board.
Also, check the print cartridge latches and springs.
Latch Spring
4SystemBoard
Printhead Cable
Rubber Backer
Print Cartridge
Run the “Print Clean Page” on page 3-6. Look at
the nozzle test pattern (the diagonal line) at the
bottom of the page. There should be no breaks in
the diagonal lines. Random breaks in the line
indicate a problem with the print cartridge.
Run the “Print Test Page,”on page 3-2. The test
patterns at the bottom of the page are checking for
opens in any of the lines to the printheads. There
should be black and color lines below each of the
“A” and “P” columns. If all the black or all the color
lines are missing from one or more of the columns,
check the following:.
• Check the gold-plated dimple contacts at carrier
for wear or damage. Remove the cable to check
the dimples for wear.
• A worn rubber backer results in poor contact
with the printhead cable and the print cartridge.
• Reset the printhead cable in the system board
connectors.
•Runthe“Print Test Page,”on page 3-2 again.
If the problem is not resolved, replace the
system board.