c In the ADF unit, clean the white bar (1) and the scanner glass strip (2) underneath it with a soft
1
2
Note
In addition to cleaning the scanner glass and glass strip with a soft
d Plug the machine’s power cord back into the electrical socket first, connect all cables, and then plug in the telephone line cord. Turn on the machine.
72
Cleaning the corona wire
If you have print quality problems, clean the corona wire as follows:
a Open the front cover and leave the machine turned on for 10 minutes to cool down.
CAUTION
HOT SURFACE
After you have just used the machine, some internal parts of the machine will be extremely hot. Wait for the machine to cool down before you touch the internal parts of the machine.