Missing Ink Or Light Colored Ink Band Running Length Of Print; Missing Or Light Colored Ink Band - Xerox Phaser 840 Service Manual

Missing ink or light colored ink band running
length of print
Table 3-7 Missing or light colored ink band
Step Question and Actions
Inspect the exit area for anything that may be touching the drum.
1
Print the Service Test Print 2: Weak or Missing Jet, to determine which jet is not
2
performing. If not already tried, perform up to three printhead cleaning cycles to try
to clean a clogged jet. If unsuccessful turn off the printer and allow the printhead to
cool for 4 hours. Perform another cleaning cycle.
Refer to the topic "Evaluating the printhead and cap/wipe/purge system" on
3
page 3-106. A properly functioning printhead maintenance system is essential for
proper printhead operation.
See SF147.
If weak or missing jet cannot be recovered, replace the printhead.
4
Possible missing or weak jet.
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Troubleshooting 3 - 89