Xerox Phaser 4620 Service Manual page 67

08-610-00 Jam 1 in Duplex Unit RAP
08-500-00 Media jam at the front of the Duplex Unit.
BSD-Reference: WD 3
Initial Actions
1. Check media condition.
2. Check the position of the Duplex Unit media size switch.
Procedure
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.
Check the Duplex Unit transport components for damage or excessive wear. The rollers are
undamaged and clean.
Y N
Clean or replace the Duplex Unit, PL 10.25 Item
Check for obstructions or debris in the media path. The media path is clear.
Y N
Clear the media path of obstructions or debris.
Check the condition of the Duplex Unit Timing Belt,
aged.
Y N
Replace the Timing Belt, REP 10.19.
Select dC330 code 08-700 to test the Duplex Feed Sensor. The
(high/low).
Y N
Remove the Right Cover (REP 28.2) and reseat CN12 on the MCU Board, then retest.
The sensor signal changes.
Y N
Replace the sensor, PL 8.15 Item
Reassemble and perform SCP 6 Final Actions.
Select dC330 code 04-230 to test the Duplex Drive Assembly. The Duplex Drive Assembly
rotates in both directions.
Y N
Remove the Right Cover (REP 28.2) and reseat CN11 on the MCU Board, then retest.
The Duplex Drive Assembly rotates.
Y N
Replace the Duplex Drive Assembly,
Reassemble and perform SCP 6 Final Actions.
Replace the MCU Board, REP 3.4.
Revision - Xerox Internal Use Only
Phaser 4600/4620 Printer Service Manual
WARNING
26.
PL 10.25 Item 11. The belt is undam-
sensor signal
19.
REP 10.9.
08-650-00 Duplex Unit Not Installed RAP
08-650-00 Duplex Unit Detect Sensor indicates the Duplex Unit is not installed.
BSD-Reference: WD 8
Initial Actions
• Reseat the Duplex Unit.
• Check for obstructions blocking the sensor.
Procedure
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.
Check the Duplex Unit where the housing actuates the Duplex Unit Detect Sensor. The actu-
ator area is undamaged.
Y N
Replace the Duplex Unit.
Check the Duplex Unit Detect Sensor for damage or disconnection. The
nected and undamaged.
Y N
Reconnect or replace the sensor,
Check the Duplex Unit Detect Sensor. The sensor is connected and undamaged.
Y N
Replace the sensor (REP
Y N
changes Remove the Left Cover
The sensor signal changes.
Y N
Replace the Joint Board,
Reassemble and perform
Reassemble and perform
Replace the MCU Board,
5/2011
2-43
WARNING
REP 10.18.
10.18), then retest. The error is displayed.
(REP 28.3) and reseat CN1 on the Joint Board, then retest.
REP 9.8.
SCP 6 Final Actions.
SCP 6 Final Actions.
REP 3.4.
08-610-00, 08-650-00
sensor is con-
Status Indicator RAPS