4-10 Service Manual
4500
Fuser assembly removal
1.Unplug the printer.
2.Tilt the printer carefully to the rear so it is resting
on the ASF.
3. Remove the four bottom cover screws.
4. Disconnect J7 (thermistor (THM)) from engine card
(E320/E322) or J14 and J22 on the controller card
(E220/E321/E323). Extract cables.
5. Reattach bottom cover and set printer upright.
6. Remove charge roll assembly. See “Charge roll assembly
removal” on page 4-6 for more information.
7. Remove the two fuser mounting screws.
8. Disconnect the fuser wires.
9. Release the tabs on each end of fuser assembly and lift out.
High voltage power supply (HVPS) removal
1.Unplug the printer.
2.Open the front cover. See “Front cover” on
page 4-4 for more information.
3. Remove the top cover. See “Top cover” on page 4-4 for more
information.
4. Remove the left side cover. See “Left side cover” on page 4-5
for more information.
5. Remove the four HVPS board screws.
6. Disconnect connector from the HVPS board.
7. Remove the HVPS board.
Note: Use care with compression springs as they can fall out.
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