Turn off the printer.
Remove the controller board shield. See
“Controller board shield removal” on page 392
.
Remove the inner controller board shield. See
“Inner controller board shield removal” on page 393
.
Locate the jumper connectors on the controller board.
Move the jumper of the motor being tested to the bypass position.
Press and hold the
3
and
6
buttons while turning on the printer to enter the Diagnostics menu.
Touch
Printer diagnostics & adjustments
>
Motor tests
.
Select a motor, and then touch
Start
.
After the test, turn off the printer, and then move the jumpers back to the default position.
Note:
If the jumpers are not moved to the default position, then a
false door open
message appears
on the screen.