Oki B4100 - Manual (Page 270)

40055101TH Rev.4 270 /
7.1.22 Printer Unit
7.1.22.1 Precautions
1. Points to check before correcting image troubles
(1) Is the printer being run in proper ambient conditions?
(2) Have the supplies (toner) and the routine replacement part (EP unit) been replaced properly?
(3) Is the recording paper normal?
(4) Has the EP unit been loaded properly?
2. Tips for correcting image troubles
(1) Do not touch, or bring foreign matter into contact with the surface of the drum.
(2) Do not expose the drum to direct sunlight.
(3) Keep hands off the fuser unit as it is heated during operation.
(4) Do not expose the drum to light for longer than 5 minutes at room temperature.