February 2013
4-28
ColorQube® 9303 Family
REP 3.4
Repairs/Adjustments
REP 3.4 Marking Unit Driver PWB
Parts List on PL 92.10
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.
Figure 1 ESD Symbol
CAUTION
Ensure that ESD procedures are observed during the removal and installation of the marking
unit driver PWB.
1. Open the front door
2. Remove the inner cover, PL 81.11 Item 2.
3. Pull out the marking unit, REP 91.28.
4. Remove the marking unit enclosure cover, PL 91.10 Item 18.
5. Remove the marking unit driver PWB, Figure 2.
Figure 2 Marking unit driver PWB removal
Replacement
Replacement is the reverse of the removal procedure.
1
Disconnect PJs marked A.
2
Remove screws marked B then remove the PWB.
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