Precautions - Oki OKIFAX 5750 Service Manual

7.22.1 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.
Category LCD message display
Cover open See "Table 7.22.2 Alarm
Display".
Image drum See "Table 7.22.2 Alarm
alarm Display".
Engine errors See "Table 7.22.2 Alarm
Display".
Engine errors See "Table 7.22.2 Alarm
Display".
Recording See "Table 7.22.2 Alarm
paper/jam error Display".
Paper cassette See "Table 7.22.2 Alarm
request Display".
Daily status See "Table 7.22.2 Alarm
Display".
Daily status See "Table 7.22.2 Alarm
Display".
Service Guide OKIFAX 5750/5950
Chapter 7 Troubleshooting
Table 7.22.1 LCD Message Trouble List
Trouble
The cover (cover-top) is open.
Warning message to replace EP
unit because of its life.
Engine controller error
Fuser unit thermal error
Recording paper feed jam,
transport jam, ejection jam,
recording size error
No recording paper tray or no
recording paper
Toner is running short.
Note: No toner memory RX is
ON.
Toner is running short.
Note: No toner memory RX is
OFF.
Page: 241
Troubleshooting flow
chart number
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