Service manual

Malfunction Causes and Solutions
SM 4-29 M000/M009
Trouble-
shooting
4.4.9 NO POWER
Description:
When system power is turned on, all lamps on the operation panel do not come on.
Check... Solutions
1. Check if the power input and SMPS
output are normal.
2. Check for functionality of the
LED-Panel or LCD window on the
front-cover if the operation panel does
not show anything after warming-up.
1. Replace the operation panel.
2. Replace the control board.
4.4.10 CURVED VERTICAL LINE
Description:
When printing, vertical lines become curved.
Check... Solutions
1. If the supply of +24v is unstable in the
main control board linking with LSU,
check drive by EDC mode: LSU check.
2. Check the DEVE main board in the
print cartridge.
1. Replace LSU.
2. Replace the Toner Joint main board.
3. Replace the main board.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA