Developer Unit Assembly Removal - Lexmark X940e Service Manual

Replacement warning: Ensure that the erase lamp harnesses and developer unit assembly harnesses are
correctly installed in the clamps, or they may become detached. Verify that the harnesses are properly secured in
the clamps by moving the transfer belt lift handle up and down several times before reinstalling the inner cover.

Developer unit assembly removal

Note: The following procedure can be applied to the C, M, Y, and K developer unit assemblies.
Warning: When removing developer unit assemblies, ensure that the area on the floor in front of the machine is
protected from toner spillage.
Warning: When replacing the developer unit assemblies, ensure that all toner spillage and contamination is
removed.
Warning: Always perform the sensor (ATC sensor) setup and adjustment if required or print quality problems
may occur. Go to
Warning: Always perform color registration adjustment (RegCon) when removing or reinstalling the printhead,
developer unit assembly or developer interlock plate assembly or print quality problems may occur. See
registration (RegCon)" on page
1. Remove the transfer belt assembly. See
2. Remove the printer front door assembly. See
3. Remove the front left cover. See
4. Remove the waste toner cartridge cover. See
5. Remove the waste toner cartridge sensor assembly. See
on page 4-39.
Note: The waste toner cartridge sensor assembly does not need to be removed from the machine. It may be
allowed to hang by the wires.
Clamps
"Sensor (ATC) setup" on page
4-254.
"Transfer belt unit assembly removal" on page
"Front left cover removal" on page
Erase lamp &
developer unit
assembly
harnesses
4-250.
"Printer front door assembly removal" on page
4-9.
"Waste toner cartridge cover removal" on page
"Waste toner cartridge sensor assembly removal"
7510-XXX
Clamp
4-16.
4-3.
4-39.
Repair information
"Color
4-53