Dell 2130cn Service Manual page 357

Step
Checking the ROS ASSY for connection
Check the connections between the ROS ASSY and PWBA
MCU.
Are P/J40, P/J 41, P/J411 and P/J 412 connected correctly?
19
20 Is the image printed correctly?
Checking after replacing the ROS ASSY
Replace the ROS ASSY. (Refer to Removal 45/
21
Replacement 9.)
Is the image printed correctly?
Check
1 - 331
Chapter 1 Troubleshooting
Remedy
Yes
Reconnect the
connector(s) P/
J40, P/J41, P/J411
Go to step 21.
and/or P/J412
surely, then go to
step 20.
End of work. Go to step 21.
Replace the
PWBA MCU.
End of work. (Refer to Removal
43/ Replacement
11.)
No