Ricoh IWB-D1 Service Training page 53

Troubleshooting - 6
Symptom
Vertical bands appear
on the screen in
approx 5 mm width.
Slide 53
Cause
Display signals are Turn OFF/ON the
interfered by main power switch.
noises.
Check the harness
condition between
LCD panel and LCD
control board.
If this does not
resolve the problem,
reinstall the LCD
control board.
* This will reset the
LCD display settings
such as brightness,
contrast, etc. to
default.
53
Solution
Model K-C3.5L