5/2011
4-61
Phaser 4600/4620 Printer Service Manual
REP 8.12, REP 8.16
Repairs
Revision - Xerox Internal Use Only
REP 8.12 Feed Sensor
Parts List on
PL 8.50 Item 25
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.
CAUTION
Cover the Drum Cartridge to prevent light exposure.
NOTE: To service or replace the Registration Sensor requires separation of the left side chas-
sis. With the left side chassis separated, the chassis is prone to collapse, As you release the
left side chassis, use a prop placed in the Tray 2 cavity to maintain, as best as possible, chas-
sis alignment.
The Feed Sensor is located on the underside of the middle frame assembly. Access the Regis-
tration Sensor by removing the Tray 2 Feeder Assembly.
1.
Remove the Tray 2 Feeder Assembly,
REP 7.6
,
2.
Reach into the Tray 2 cavity to release 3 hooks that secure the sensor to the assembly.
3.
Disconnect P/J64 from the Feed Sensor,
Figure 1
.
Figure 1 Remove the Feed Sensor
REP 8.16 Shaft Frame Assembly
Parts List on
PL 8.50 Item 15
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.
CAUTION
Cover the Drum Cartridge to prevent light exposure.
1.
Open the Top Door.
2.
Remove the Toner Cartridge.
3.
Remove the Drum Cartridge.
4.
Remove the Waste Toner Cartridge.
5.
Remove the Left Cover,
REP 28.3
.
6.
Remove 5 screws that secure the bias cover to the chassis,
Figure 1
.
Figure 1 Remove the bias cover screws
7.
Remove the Pipe Assembly,
REP 9.7
.
8.
Remove 1 screw (plastic) that secures the Shaft Frame Assembly to the frame,
Figure 2
.