Phaser 7500 Printer Service Manual
5-21
Print-Quality Troubleshooting
Print-Quality Troubleshooting
Repeating Defect Measurement
When horizontal lines and/or spot occur periodically, it is possibly caused by a
particular roller. Measure the trouble interval on the test print, and check the
relation to the Roller in the table. The interval does not necessary match
circumference of the Roller.
Horizontal Line and Spot Trouble Measurement
Maintenance
Item
Distance Between
Defects
Replacement
Part List
Number
Fuser
25 mm (0.99 in.)
83 mm (3.27 in.)
95 mm (3.74 in.)
Fuser
PL7.1.1
(
Imaging Unit
95 mm (3.74 in.)
38 mm (1.50 in.)
Imaging Unit
PL8.1.4
(
Transfer Roller
54 mm (2.13 in.)
Transfer Roller
PL14.2.1
(
Developer Roller
29 mm (1.14 in.)
Developer Housing
Assembly
PL5.2.2
(
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: ......