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General Troubleshooting
4-5
DC-DC Converter
4
Is the AC power supply outlet correctly
wired and grounded?
Replace the
HVPS/Engine
Logic Board.
(page 8-89)
Inform the
customer or the
electrician.
Troubleshooting Reference
Applicable Parts
Wiring and Plug/Jack Map References
■
DC-DC Converter PWBA
■
LVPS Harness Assembly
■
“Image Processor Board, DC-DC Converter, Front
Panel” on page 10-26
■
“Printer Left Side” on page 10-9
Troubleshooting Procedure
Steps
Actions and Questions
Yes
No
1
Check the 24 V input:
1. Remove the LVPS Shield Plate
(page 8-75).
2. Disconnect J404A from P404 (in-line
connector).
3. Turn the power ON.
4. Measure the voltage across J404A-3
<=>J404A-2
Does the voltage measure 24 VDC?
Go to step 2.
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
2
Check the 3.3 V input:
1. Disconnect J40 from the LVPS.
2. Turn the power ON.
3. Measure the voltage across P/J40-3 <=>
P/J40-4.
Does the voltage measure 3.3 VDC?
Go to step 3.
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
Troubleshooting Procedure (Continued)
Steps
Actions and Questions
Yes
No
Содержание Phaser 4500
Страница 1: ...laser printer Phaser 4500 Service Manual...
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Страница 13: ...xii Phaser 4500 Laser Printer...
Страница 35: ...1 14 Phaser 4500 Service Manual...
Страница 55: ...2 20 Phaser 4500 Service Manual 1 Print Cartridge 2 Transfer Roller s4500 10 1 2...
Страница 153: ...3 74 Phaser 4500 Service Manual...
Страница 223: ...4 70 Phaser 4500 Service Manual...
Страница 230: ...Print Quality Troubleshooting 5 7 Fusing Test Print Phaser4500 030129 2 S 8 5x11 SEF s4500 258...
Страница 273: ...5 50 Phaser 4500 Service Manual...
Страница 276: ...Adjustments and Calibrations 6 3 s4500 256 Test Print Phaser4500 030129 2 S 8 5x11 SEF...
Страница 288: ...7 Chapter Cleaning and Maintenance In this chapter Service Preventive Maintenance Procedure Recommended Tools Cleaning...
Страница 296: ...FRU Disassembly 8 7 Right Cover PL1 1 4 1 Thumbscrew 2 Bottom Hooks s4500 058 1 2...
Страница 302: ...FRU Disassembly 8 13 Interlock Switch Assembly PL1 1 11 1 Top Cover Assembly 3 Cable Clamps 2 Hole s4500 062 1 2 3...
Страница 325: ...8 36 Phaser 4500 Service Manual Feed Clutch PL7 1 20 1 Out Chute 3 Feed Clutch 2 Tie Plate s4500 106 1 2 3 1 P J 247...
Страница 345: ...8 56 Phaser 4500 Service Manual Transfer Chute PL8 1 22 1 Transfer Chute 2 Latch tab s4500 122 2 1...
Страница 356: ...FRU Disassembly 8 67 Print Engine Frame and Drive Motor Cover PL11 1 1 1 Motor Cover s4500 137 1...
Страница 358: ...FRU Disassembly 8 69 Main Motor PL11 1 2 1 Main Motor 3 LVPS 2 LVPS Shield Plate s4500 138 1 2 P43 3 J43...
Страница 373: ...8 84 Phaser 4500 Service Manual Main Fan PL12 1 10 1 Main Fan 2 Label 1 s4500 147 2...
Страница 384: ...FRU Disassembly 8 95 Right Cover Plate PL20 1 1 1 Right Cover Plate 3 Boss 2 550 Right Cover Frame s4500 153 1 3 2...
Страница 402: ...FRU Disassembly 8 113 Retard Roller PL20 3 2 1 Retard Roller 3 Hooks 2 Friction Clutch 4 Retard Spring s4500 168 1 2 3 4...
Страница 423: ...8 134 Phaser 4500 Service Manual Stacker Cover PL23 1 1 1 Stacker Cover s4500 201 1...
Страница 428: ...FRU Disassembly 8 139 Stack Full Actuator PL23 1 15 1 Flap 3 Hook 2 Stack Full Actuator s4500 206 1 2 3...
Страница 465: ...9 22 Phaser 4500 Service Manual Parts List 10 2 Paper Exit 2 2 11 8 9 7 22 23 20 21 10 6 2 15 JG5702AB s4500 225...
Страница 522: ...A Appendix Appendix Contents Menu Map Service Diagnostics Menu Map...
Страница 527: ...A 6 Phaser 4500 Service Manual...
Страница 536: ......
Страница 537: ...071 0867 00 A...