Phaser 7500 Printer Service Manual
3-209
Error Messages and Codes
4
Check the connection between the
Motor Drive PWB J513 and Tray 1
Feed/ Nudger Motor J269 for open
circuit, short circuit, and poor
contact.
Is it conducting properly?
Replace the
following parts
in sequence:
■
Motor Drive
PWB (REP
18.10,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have short
circuits and poor
contacts.
5
Perform the
Tray 1 (MPT) Sensors
test in Diagnostics.
Move the Shielding Board to block/
clear the light path to the Tray 1
Nudger Position Sensor.
Does the display of change
between High/ Low?
Go to step 6.
check the Tray 1
Nudger Position
Sensor.
6
Check the Tray 1 Nudger Roll Up/
Down mechanism for mechanical
loading, the springs for
deformation or snags.
Are they normal, without loading,
deformation, or snags?
Replace the
following parts
in sequence:
■
Motor Drive
PWB (REP
18.10,
)
■
MCU PWB
(REP 18.12,
)
Repair the
sections that
have loading,
deformation, or
snags.
Troubleshooting Procedure (Continued)
Step
Actions and Questions
Yes
No
Summary of Contents for PHASER 7500
Page 1: ...Phaser 7500 Color Printer Phaser 7500 Service Manual Xerox Internal Use Only ...
Page 2: ......
Page 60: ...1 30 Phaser 7500 Printer Service Manual General Information ...
Page 448: ...3 310 Phaser 7500 Printer Service Manual Error Messages and Codes ...
Page 484: ...4 36 Phaser 7500 Printer Service Manual General Troubleshooting ...
Page 544: ...5 60 Phaser 7500 Printer Service Manual Print Quality Troubleshooting ...
Page 545: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations ...
Page 554: ...6 10 Phaser 7500 Printer Service Manual Adjustments and Calibrations ...
Page 562: ...7 8 Phaser 7500 Printer Service Manual Cleaning and Maintenance ...
Page 900: ...9 118 Phaser 7500 Printer Service Manual Parts List ...
Page 958: ...10 58 Phaser 7500 Printer Service Manual Plug Jack and Wiring Diagrams ...
Page 980: ...11 22 Phaser 7500 Printer Service Manual Reference ...
Page 990: ...I 10 Phaser 7500 Printer Service Manual Index ...
Page 991: ......