Dell 2130cn Service Manual page 385

Step
Checking the ROLL ASSY REGI and ROLL REGI METAL
for rotation
Enter the [Digital Output] - [DO-0] in [CE Diag] tab, and then
enter the [Digital Output] - [DO-27] in [CE Diag] tab of [CE
25 Diag].
Does the ROLL ASSY REGI and ROLL REGI METAL
rotate?
During this check, cheat the interlock switch (HARN ASSY
INTERLOCK).
Check
1 - 359
Chapter 1 Troubleshooting
Remedy
Yes
Replace the ROLL
ASSY REGI and/
End of work.
or ROLL REGI
METAL.
No