February 2013
4-332
ColorQube® 9303 Family
REP 91.7, REP 91.8
Repairs/Adjustments
Replacement
1. Replacement is the reverse of the removal procedure.
2. Ensure all ground lead connections are firmly remade.
3. When installing a new carriage, ensure the shipping restraint clips are removed before
installation, Figure 5.
Figure 5 Shipping restraint clips
4. Ensure the harnesses are routed correctly, refer to GP 28.
5. Run the relevant diagnostic routines, refer to GP 37 Post Part Replacement Routines.
6. Ensure that both carriages are parked and the wiper is in the home position, all the way
up or down.
REP 91.8 Upper Carriage Drive Shaft, Cranks, Upper Front
and Rear Compliant Links
Parts List on PL 91.10
Removal
WARNING
Switch off the electricity to the machine. Refer to GP 14. Disconnect the power cord
from the customer supply while performing tasks that do not need electricity. Electricity
can cause death or injury. Moving parts can cause injury.
WARNING
Take care during this procedure. Sharp edges may be present that can cause injury.
CAUTION
Do not touch the exposed face of the printheads. Surface contamination or minor damage can
destroy the printhead.
1. Remove marking unit upper printheads, REP 91.29.
2. Remove marking unit upper carriage, REP 91.7.
3. Remove marking unit upper drive gear, Figure 1.
Figure 1 Drive gear removal
1
Remove both shipping
restraint clips.
1
Remove the screw
then the drive gear.
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