Phaser 6300/6350/6360 Color Laser Printer Service Manual 3-75
Error Messages and Codes
Fan Failure
One of fans has failed resulting in a fatal error.
Applicable Status Code:
Code 52: This is a generic fan error, generated by the fan control circuit.
4 Test the LVPS Fan.
Run the Service Diagnostics LVPS Fan
test.
Does the fan operate?
Go to Step 6. Go to Step 5.
5 Check for +24 V to the fan.
Disconnect P/J167.
Is there +24 V across P167-1 <=>
P167-3?
Replace the LVPS
Fan (
page 8-104).
Replace the
LVPS
(
page 8-100).
6 Check the fan rotation signal to the
LVPS.
Print one sheet.
Is there +3.3 V between P/J167-2 <=>
P/J167-3?
Replace the LVPS
Fan (
page 8-104).
Go to Step 7.
7 Check the rotation signal from the
LVPS.
Print one sheet.
Is there +3.3 V between P/J165-18 <=>
P/J165-3
Replace the LVPS
(
page 8-100).
Go to Step 8.
8 Check the fan rotation signal at the
Engine Control Board.
Print one sheet.
Is there +3.3 V between P/J61-4 <=>
P/J61-16?
Replace the LV
Harness
Replace the
Engine Control
Board
(
page 8-106).
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Rear Fan, PL1.1.19
■ Fuser Fan, PL5.3.31
■ LVPS Fan, PL1.1.31
■ Print Engine Map 1 - P/J Locator (page 10-5)
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Drive Wiring (page 10-19)
■ Print Engine Power Wiring (page 10-17)
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No