4-10 Phaser 4500/4510 Service Manual
General Troubleshooting
14 1. Disconnect P/J242 and P/J247 from the
tray 1/2 harness assembly.
2.Remove the print cartridge.
Does the main fan rotate when the power
is turned ON?
Go to “Feed
Clutches” on
page 4-30.
Go to step 15.
15 1. Disconnect P/J43 from the LVPS.
2.Remove the print cartridge.
Does the main fan rotate when the power
is turned ON?
Go to “Print
Engine
Trouble-
shooting” on
page 4-11.
Go to step 16.
16 1. Replace the main fan (page 8-68).
2.Remove the print cartridge.
3.Turn ON the power.
Does the main fan rotate when the power
is turned ON?
Problem
solved.
Go to step 17.
17 1. Replace the Sub Fan. (page 8-36)
2.Remove the print cartridge.
Does the Sub Fan rotate when the power
is turned ON?
Problem
solved.
Replace the
HVPS/engine
logic board.
(page 8-73)
Troubleshooting Procedure (continued)
Steps Actions and Questions Yes No
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