Xerox Phaser 4620 Service Manual page 69

08-850-00 Jam in HCF RAP
08-850-00 HCF jam.
NOTE: Optional Tray numbering varies by configuration. When testing HCF components, use
the dC330 codes appropriate for the HCF's position. For example, if the configuration is 5 trays
and the 5th tray is the HCF, use Tray 5 control codes.
BSD-Reference: WD 16
Initial Actions
1. Check media condition.
2. Check for obstructions in the media path.
3. Check for worn or damaged rollers.
Procedure
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.
Check the Nudger, Feed, and Separator Rollers for excessive wear or contamination. The
rollers are undamaged and clean.
Y N
Clean or replace the rollers.
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 HCF Pick Assembly (PL 8.25 Item
Y N
Repair improper pick assembly motion.
Select dC330 code (08-300, 08-400 or 08-550) based on HCF position to test the Take Away
Sensor. The sensor signal changes (high/low).
Y N
Remove the Right Cover (REP 7.25) and reseat CN3 on the Feeder Board, then retest.
The sensor signal changes.
Y N
Replace the sensor, REP 8.44.
Reassemble and perform SCP 6 Final Actions.
Select dC330 code (08-830, 840 or 855) based on HCF position to test the HCF Feed Clutch.
The clutch is engaged (on/off).
Y N
Remove the Right Cover (REP 7.39) and reseat CN9 on the HCF Control Board, then
retest. The clutch is engaged.
Y N
Replace the Feed Clutch, REP
A B
Revision - Xerox Internal Use Only
Phaser 4600/4620 Printer Service Manual
16) motion. Pick assembly motion is good.
7.46.
A B
Reassemble and perform SCP 6
Select dC330 code (08-930, 940 or 950) based on HCF position to test the HCF Feed Drive
Assembly. The Feed Drive Assembly rotates (on/off).
Y N
Remove the Right Cover (REP
retest. The Feed Drive Assembly rotates.
Y N
Replace the Feed Drive Assembly,
Reassemble and perform SCP 6
Replace these components in order until the error is corrected.
1. Feed Assembly, PL 7.25 Item 10
2. Pick Assembly, PL 8.25 Item 16
5/2011
2-45
Final Actions.
7.39) and reseat CN7 on the HCF Control Board, then
REP 7.47.
Final Actions.
Status Indicator RAPS
08-850-00