Developer Hvps Board Removal - Lexmark C77x Service Manual

Developer HVPS board removal

See "Developer HVPS board—1xx/3xx only Also order cable tie parts packet (P/N 40X1648)" on page 7-34
for the part numbers.
1.
Remove inner system board shield. See
2.
Lift the plastic shield.
3.
Remove all connectors from the HVPS developer board.
4.
Remove four top machine screws (A) type
page 4-2 from the developer HVPS board.
5.
Remove the developer HVPS boards.
Installation notes:
•
Be sure to replace all the cable ties.
•
Install the large board by attaching the bottom screws loosely, attach the top screws, then tighten the
bottom screws.
•
When replacing the developer HVPS, verify the TMC switches are properly functioning by performing the
Base Sensor Test for the black, cyan, yellow, and magenta sensors. See
page 3-24. If a sensor fails the test, realign the developer HVPS boards and rerun the test.
"Inner system board shield removal" on page
"323" on page 4-3 and four bottom screws (B) type
4-48.
"121" on
"BASE SENSOR TEST" on
Repair information
5061
4-39