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Phaser 6280 Color Laser Printer Service Manual
General Troubleshooting
4
1. Turn the AC power Switch Off.
2. Connect J501 to the LVPS then turn the
AC power Switch On.
3. Check continuity between P501-3 pin <=>
P501-4 pin?
4. Is there 3.3 V present?
Go to step 7.
Go to step 5.
5
Check the following parts for fault or
damage:
■
LV Top Harness, PL10.1.16
■
MCU Board, PL9.1.20
Replace if
damaged.
Go to step 6.
Go to step 7.
6
Does the problem still occur?
Go to step 7.
Complete.
7
1. Turn the AC power Switch Off.
2. Connect J501 to the LVPS then turn the
AC power Switch Off.
3. Check continuity between P501-1 pin <=>
P501-2 pin.
4. Is there +5 V present?
Go to step 10. Go to step 8.
8
Check the Top LV Harness for fault or
damage.
Replace if
damaged.
Go to step 9.
Go to step 10.
9
Does the error occur?
Go to step 10. Complete.
10
1. Turn the AC power Switch Off.
2. Connect J502 to the LVPS then turn the
AC power Switch On.
3. Check continuity between P502-1 pin <=>
P502-2 pin?
4. Is there +24 V present?
Complete.
Go to step 11.
11
Check the Top LV Harness for fault or
damage.
Replace if
damaged.
Complete.
Troubleshooting Procedure Table (continued)
Step
Actions and Questions
Yes
No
Содержание Phaser 6280
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Страница 433: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations Parameter Setting...
Страница 441: ...7 Chapter Cleaning and Maintenance In this chapter Service Maintenance Procedure Cleaning Maintenance...
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