Dell 3115cn Service Manual page 167

Checking the MSI Turn
Clutch for operation
Replace the PWBA MCU.
(Removal 67/Replacement
55)
Version 1 2006.11.21
Checking the Dup Motor for
operation
Does the Dup clutch
operate properly?
Yes
Checked by [Digital
Output]-[DO-13] in [IOT
Diagnosis].
Yes
Checking the PH motor for
operation
Does the feed motor
operate properly?
Yes
Checked by [Digital
Output]-[DO-a] in [IOT
Diagnosis].
B
Checking the Dup Clutch
for operation
Does the Dup Clutch
operate properly?
Yes
Checked by [Digital
Output]-[DO-35] in [IOT
Diagnosis].
No
Replace the CHUTE ASSY
DUP. (Removal 5/
Replacement 41)
Does the MSI Turn
Clutch operate properly?
Checked by [Digital Output]-
[DO-2b] in [IOT Diagnosis].
No
Replace the DRIVE ASSY
PH. (Removal 15/
Replacement 31)
Chapter 1 Troubleshooting
No
Replace the CHUTE ASSY
DUP. (Removal 5/
Replacement 41)
No
Replace the KIT
FEEDER. (Removal
16/Replacement 30)