Introduction
iv
09/06
PHASER 3124 / PHASER 3125
Introduction
Precautions
In order to prevent accidents and to prevent damage to the equipment, please read the precau-
tions listed below carefully and follow them closely before servicing the machine.
Warnings, Cautions and Notes
WARNING
A warning is used whenever an operating or maintenance procedure, practice, condition or state-
ment, if not strictly observed, could result in personal injury.
CAUTION
A caution is used whenever an operation or maintenance procedure, practice, condition or state-
ment, if not strictly observed, could result in damage to the equipment.
Note: A note is used where it is essential to highlight a procedure, practice, condition or
statement.
Safety Warning
1. Only to be serviced by appropriately qualified service engineers.
High voltages and lasers inside this product are dangerous. This machine should only be serviced
by a suitably trained and qualified service engineer.
2. Use only Xerox replacement parts
There are no user serviceable parts inside the machine. Do not make any unauthorized changes
or additions to the machine, these could cause the machine to malfunction and create electric
shock or fire hazards.
3. Laser Safety Statement
The machine is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1
Subchapter J for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product
conforming to the requirements of IEC 825. Class I laser products are not considered to be haz-
ardous. The laser system and machine are designed so there is never any human access to laser
radiation above a Class I level during normal operation, user maintenance, or prescribed service
condition.
Summary of Contents for 3124 - Phaser B/W Laser Printer
Page 2: ......
Page 3: ...708P88624 09 06 Service Manual 708P88624 PHASER 3124 PHASER 3125 ...
Page 6: ...Introduction ii 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 18: ...Service Call Procedures 1 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 22: ...Status Indicator RAPs 2 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 42: ...Status Indicator RAPs 2 22 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 44: ...Image Quality 3 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 64: ...Repairs Adjustments 4 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 82: ...Repairs Adjustments 4 20 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 84: ...Spare Parts List 5 2 09 06 PHASER 3124 PHASER 3125 PL 1 Main Assembly ...
Page 86: ...Spare Parts List 5 4 09 06 PHASER 3124 PHASER 3125 PL 2 Frame Assembly ...
Page 88: ...Spare Parts List 5 6 09 06 PHASER 3124 PHASER 3125 PL 3 Fuser Assembly ...
Page 90: ...Spare Parts List 5 8 09 06 PHASER 3124 PHASER 3125 PL 4 Paper Path Assembly ...
Page 92: ...Spare Parts List 5 10 09 06 PHASER 3124 PHASER 3125 PL 5 Main Drive Assembly ...
Page 94: ...Spare Parts List 5 12 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 96: ...General Procedures Information 6 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 136: ...Wiring Diagrams 7 2 09 06 PHASER 3124 PHASER 3125 Page intentionally blank ...
Page 137: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 3 WD 1 PJ Locations Figure 1 ...
Page 142: ...Wiring Diagrams 7 8 09 06 PHASER 3124 PHASER 3125 WD 6 Phaser 3124 Main PBA 1 5 Figure 6 ...
Page 143: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 9 WD 7 Phaser 3124 Main PBA 2 5 Figure 7 ...
Page 144: ...Wiring Diagrams 7 10 09 06 PHASER 3124 PHASER 3125 WD 8 Phaser 3124 Main PBA 3 5 Figure 8 ...
Page 145: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 11 WD 9 Phaser 3124 Main PBA 4 5 Figure 9 ...
Page 146: ...Wiring Diagrams 7 12 09 06 PHASER 3124 PHASER 3125 WD 10 Phaser 3124 Main PBA 5 5 Figure 10 ...
Page 147: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 13 WD 11 Phaser 3125 Main PBA 1 11 Figure 11 ...
Page 148: ...Wiring Diagrams 7 14 09 06 PHASER 3124 PHASER 3125 WD 12 Phaser 3125 Main PBA 2 11 Figure 12 ...
Page 149: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 15 WD 13 Phaser 3125 Main PBA 3 11 Figure 13 ...
Page 150: ...Wiring Diagrams 7 16 09 06 PHASER 3124 PHASER 3125 WD 14 Phaser 3125 Main PBA 4 11 Figure 14 ...
Page 151: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 17 WD 15 Phaser 3125 Main PBA 5 11 Figure 15 ...
Page 152: ...Wiring Diagrams 7 18 09 06 PHASER 3124 PHASER 3125 WD 16 Phaser 3125 Main PBA 6 11 Figure 16 ...
Page 153: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 19 WD 17 Phaser 3125 Main PBA 7 11 Figure 17 ...
Page 154: ...Wiring Diagrams 7 20 09 06 PHASER 3124 PHASER 3125 WD 18 Phaser 3125 Main PBA 8 11 Figure 18 ...
Page 155: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 21 WD 19 Phaser 3125 Main PBA 9 11 Figure 19 ...
Page 156: ...Wiring Diagrams 7 22 09 06 PHASER 3124 PHASER 3125 WD 20 Phaser 3125 Main PBA 10 11 Figure 20 ...
Page 157: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 23 WD 21 Phaser 3125 Main PBA 11 11 Figure 21 ...
Page 158: ...Wiring Diagrams 7 24 09 06 PHASER 3124 PHASER 3125 WD 22 Connector Circuit Diagram Figure 22 ...
Page 159: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 25 WD 23 SMPS Figure 23 ...
Page 160: ...Wiring Diagrams 7 26 09 06 PHASER 3124 PHASER 3125 WD 24 HVPS 1 3 Figure 24 ...
Page 161: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 27 WD 25 HVPS 2 3 Figure 25 ...
Page 162: ...Wiring Diagrams 7 28 09 06 PHASER 3124 PHASER 3125 WD 26 HVPS 3 3 Figure 26 ...
Page 163: ...Wiring Diagrams PHASER 3124 PHASER 3125 09 06 7 29 WD 27 Phaser 3124 Block Diagram Figure 27 ...
Page 164: ...Wiring Diagrams 7 30 09 06 PHASER 3124 PHASER 3125 WD 28 Phaser 3125 Block Diagram Figure 28 ...