Muratec DIGITAL LASER F-114 - Manual (Page 132)

Service Manual
Adjustment and Troubleshooting
4-72
10) Printed Vertical Lines become curved
Description: When printing, vertical lines are not straight.
1. Check stability of 24V supply to LSU.
24V stable - Replace LSU.
24V unstable replace SMPS, if the
problem persists replace the main
PBA.