Dell 2130cn Service Manual page 395

Step
Checking after reseating the DRIVE ASSY SUB
Reseat the DRIVE ASSY SUB.
8 Does the noise arise from the printer?
Checked by [Digital Output] - [DO-7] in [CE Diag] tab of [CE
Diag].
Check
1 - 369
Chapter 1 Troubleshooting
Remedy
Yes
Try replacing the
PHD UNIT (refer
to Removal 4/
Replacement 50),
FUSER ASSY
(refer to Removal
End of work.
5/ Replacement
49) and DRIVE
ASSY SUB (refer
to Removal 33/
Replacement 21)
one after another.
No