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70
l
Push the drum unit in until it stops.
m
Close the front cover of the machine.
Note
After you replace a toner cartridge, DO
NOT turn off the machine's power switch
or open the front cover until the LCD
clears the
Please Wait
message and
returns to Ready mode.
Cleaning the corona wires
A
If you have print quality problems, clean the
four corona wires as follows:
a
Press the front cover release button and
then open the front cover.
Summary of Contents for HL-4150CDN
Page 21: ......
Page 22: ...BASIC USER S GUIDE MFC 9970CDW Version A USA CAN ...
Page 37: ...xiv ...
Page 232: ...ADVANCED USER S GUIDE MFC 9970CDW Version A USA CAN ...
Page 237: ...v C Glossary 97 D Index 101 ...