4-12
Phaser 6250 Color Laser Printer Service Manual
DC Power Supply Troubleshooting
Troubleshooting Reference
Applicable Parts
Wiring and Plug/Jack Map References
Low Voltage Power Supply, PL 12.1.10
"Power Supply" on page 10-16
Procedure
Step
Action and Questions
Yes
No
1
Perform the AC power supply troubleshooting procedure first, if this does not fix the
problem go to Step 2.
2
Turn the AC power Switch OFF.
Is the fuse (F001) on the low-voltage
power supply board open?
Replace the Low-
Voltage Power
Supply Board,
page 8-99.
Go to Step 3.
3
Disconnect the connectors J163, J164
and J165 from the LVPS, turn the AC
power switch on and verify the DC
voltages between the following pins on
the Low Voltage Power Supply board.
P163-1 <=> P163-2 = +24 VDC?
P164-1 <=> P164-2 = +3.3 VDC?
P165-1 <=> P165-2 = +5 VDC?
P165-3 <=> P165-4 = +3.3 VDC?
Caution
Be careful not to touch any other
pins during these measurements or
you may blow the fuse (F001) on the
LVPS.
Go to Step 4.
Replace the Low-
Voltage Power
Supply Board,
page 8-99.
4
Turn the AC power switch OFF.
Connect J164 to the LVPS then turn the
AC power switch ON.
P/J164-1 <=>P/J164-2 = +3.3 VDC?
Go to Step 7.
Go to Step 5.
5
Check the following parts for fault or
damage:
■
LVRPG Harness Assembly for
damage or if it is shorted to the
frame.
■
Engine Control Board.
Replace if
damaged or
defective.
Go to Step 7.
6
Does the problem recur?
Go to Step 7
Complete
Summary of Contents for 6250N - Phaser Color Laser Printer
Page 1: ...Service Manual P h a s e r C o l o r L a s e r P r i n t e r 6250 ...
Page 2: ...manuals4you com manuals4you com ...
Page 39: ...1 16 Phaser 6250 Color Laser Printer Service Manual ...
Page 181: ...4 20 Phaser 6250 Color Laser Printer Service Manual ...
Page 207: ...5 26 Phaser 6250 Color Laser Printer Service Manual ...
Page 219: ...7 4 Phaser 6250 Color Laser Printer Service Manual ...
Page 342: ...Service Parts Disassembly 8 123 8 Repeat Steps 1 7 to remove the lower guide 6250 278 ...
Page 369: ...9 4 Phaser 6250 Color Laser Printer Service Manual Print Engine Parts PL 1 1 Covers 6250 286 ...
Page 373: ...9 8 Phaser 6250 Color Laser Printer Service Manual PL 3 1 Paper Feed I 6250 288 ...
Page 375: ...9 10 Phaser 6250 Color Laser Printer Service Manual PL 3 2 Paper Feed II 6250 289 ...
Page 377: ...9 12 Phaser 6250 Color Laser Printer Service Manual PL 3 3 Paper Feed III 6250 290 ...
Page 379: ...9 14 Phaser 6250 Color Laser Printer Service Manual PL 4 1 Housing Assembly Retard 6250 291 ...
Page 381: ...9 16 Phaser 6250 Color Laser Printer Service Manual PL 5 1 Chute Assembly In 6250 292 ...
Page 383: ...9 18 Phaser 6250 Color Laser Printer Service Manual PL 6 1 Chute Assembly Out 6250 293 ...
Page 386: ...Parts List 9 21 This Page Intentionally Left Blank ...
Page 387: ...9 22 Phaser 6250 Color Laser Printer Service Manual PL 7 1 Chute Assembly Exit 6250 294 ...
Page 391: ...9 26 Phaser 6250 Color Laser Printer Service Manual PL 9 1 Xerographics 6250 296 ...
Page 397: ...9 32 Phaser 6250 Color Laser Printer Service Manual PL 12 1 Electrical S6200 240 ...
Page 399: ...9 34 Phaser 6250 Color Laser Printer Service Manual PL 13 1 Harness Assemblies 6250 299 ...
Page 421: ...9 56 Phaser 6250 Color Laser Printer Service Manual ...
Page 428: ...10 7 Map 2 6250 307 ...
Page 429: ...10 8 Phaser 6250 Color Laser Printer Service Manual Map 3 6250 308 ...
Page 430: ...10 9 Map 4 6250 309 ...
Page 432: ...10 11 Map 5 6250 487 ...
Page 434: ...10 13 Map 6 6250 431 ...
Page 455: ...10 34 Phaser 6250 Color Laser Printer Service Manual ...
Page 456: ...A Appendix Appendix Contents Printer Status Codes ...
Page 466: ......
Page 467: ...071 0869 00 ...