January 2016
4-119
WorkCentre WorkCentre 4150/4250/42604150/4250/4260WorkCentre 4150/
REP 7.6
Repairs and Adjustments
REP 7.6 HCF Paper Transport Sensors and Transport Roll
Gear
Parts List on PL 7.65
Removal
WARNING
Switch off the electricity to the machine. 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
Before performing this procedure, refer to General Disassembly Precautions, GP 10.
1. If necessary, remove the finisher, REP 12.1.
WARNING
Mandatory safety warning. This procedure must be performed by two people. The mod-
ule is heavy.
NOTE: The weight of the machine is 45Kg (99lb). The weight of each additional tray is 11.85Kg
(26lb).
2. Remove the machine and tray 2 from the HCF.
3. Remove the HCF paper tray, refer to REP 7.5.
4. Remove the HCF rear cover, PL 7.45 Item 4.
5. Remove the tray pickup clutch and drive gears, refer to REP 7.5.
6. Remove the HCF feed motor assembly, PL 7.50 Item 19.
7. Disconnect CN7 and CN10 from the HCF PWB.
8. Disconnect the connector on the tray elevating motor, PL 7.60 Item 10.
NOTE: The paper transport assembly and tray feed assembly are removed as a unit.
9. Prepare to remove the paper transport and tray feed unit, Figure 1.
Figure 1 Preparation
10. Open the HCF cover door, PL 7.50 Item 4, then the access door, PL 7.50 Item 5.
11. Remove the paper transport and tray feed unit, Figure 2.
Figure 2 Unit removal
1
Remove one screw,
then the gear cover.
3
Remove 4 screws
marked A.
2
Remove 2 screws
marked B.
1
Remove one screw.
2
Lift the corner of the
HCF module to release
the paper transport and
tray feed unit.
3
Remove the paper
transport and tray feed
unit.