Kyocera ECOSYS M2135dn Service Manual page 444

Trouble location
8 Drum unit
9 Charger roller
10 Main/Engine PWB
Check
1. Check if the eraser lamp is
dirty.
2. Check the lamp on/off.
3. Check if the drum surface is
worn down.
Check the terminal with the high
voltage PWB.
Main/Engine PWB is defective.
2S0/2S1/2S2/2S3/2S4/2S5/2SG/2SH/3RA-1
1. Clean the eraser lamp if it is dirty.
2. Replace the drum unit if it is not improved
after cleaning, it is not turned on or the sur-
face is worn. (see page 4-11)
Remove foreign objects if adhering to the ter-
minal.
Replace the main/engine PWB. (see page 4-
94)
7-69
Measures