Rep 91.29 Printhead - Xerox ColorQube 9303 Series Service Manual

Replacement
1. Replacement is the reverse of the removal procedure.
2. When locating the marking unit onto the rails line up the service loop so that it goes
though the gap between the reservoir and marking unit, refer to
Figure 5 Marking unit replacement
Repairs/Adjustments
REP 91.28, REP 91.29
Figure 5.
1
Line up the service loop with the gap
between the reservoir and the marking unit.

REP 91.29 Printhead

Parts List on PL 91.20,
General Guidelines
Be aware of the following:
• Do not use printheads as troubleshooting tools. Do not install, then remove the new print-
head.
• When unpacked, install the new printhead immediately.
• Complete, then return the checklist supplied with the new printhead.
• Two types of printhead and cables can be installed in the machine. Refer to
identify both types. This procedure is clearly marked where a step is relevant to a specific
type of printhead.
Removal
Switch off the electricity to the machine. Refer to
from the customer supply while performing tasks that do not need electricity. Electricity
can cause death or injury. Moving parts can cause injury.
Take care during this procedure. Sharp edges may be present that can cause injury.
Do not touch the exposed face of the printheads. Surface contamination or minor damage can
destroy the printhead. Keep hot printheads level.
1. Open front door.
2. Remove the inner cover,
3. Slide out the marking unit to the maintenance position, Refer to
NOTE: For lower printheads, move the lower carriage into its service position to allow
access to the harness connections, refer to
February 2013
4-368
PL 91.25
WARNING
GP 14. Disconnect the power cord
WARNING
CAUTION
PL 81.11 Item 2.
GP
GP 6.
ColorQube® 9303 Family
GP 46 to
6.