Lexmark Jetprinter 4079-00 series Service Manual page 43

4079-00X
FRU
3 Carriage Ink
Supply Assem-
bly
4 • Ink Cartridge
Assembly
Waste Lines
• Ink Cartridge
5 Printhead
Action
Be sure the carriage ink supply assembly waste
lines fill when the purge motor completes its cycle.
The purge unit discharges ink back to the ink car-
tridge through the waste line in the ink return unit.
Be sure the waste lines are not blocked. Also, be
sure the ink cartridge is good.
Be sure ink is flowing through the ink supply assem-
bly (asm. 10-1).
Perform a Long Cleaning.
Replace the printhead for the color that fails to flow.
Diagnostic Information
2-25