Cut–Sheet Path Open - Printronix L5000 Series Maintenance Manual

08 – Cut–sheet Path Open
1. Ensure that the paper output transport path guide is closed.
2. Check the transport path guide switch (CW0).
a. Disconnect CN7 on the MPU board.
b. Measure the resistance between pin 5 and pin 6 of CN7.
If resistance is not 0Ω, replace the CW0.
3. Check the MPU board.
a. Connect CN7 on the MPU board.
b. Put the positive lead of the digital multimeter on pin 5 of CN7, and the
c. Measure the voltage. If it is not 0V, replace the MPU board after checking
7–40
CHECKLIST: TRANSPORT PATH GUIDE
TRANSPORT PATH GUIDE SWITCH (CW0)
MPU BOARD
negative lead on the SG.
the harness.
Troubleshooting