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TROUBLESHOOTING AND ROUTINE MAINTENANCE
YL4DCP-1000-FM5.5
Cleaning the Printer
Caution
■ Do not use isopropyl alcohol to remove dirt from the control panel. It may cause
a crack on the panel.
■ Do not use isopropyl alcohol to clean the scanner window or the toner sensor.
■ Do not touch the scanner window with your finger.
■ Handle the drum unit carefully because it contains toner. If toner scatters and
your hands or clothes get dirty, immediately wipe or wash it off with cold water.
1
Open the scanner cover.
2
Remove the drum unit assembly.
WARNING
Just after you have used the DCP, some internal parts of the machine are
extremely HOT! When you open the scanner cover, never touch the internal
part shown in the following picture.
3
Wipe the electric terminals with isopropyl alcohol on a cotton swab.
4
Wipe the gears with a clean dry cloth.
5
Gently wipe the scanner window and the toner sensor with a clean soft dry cloth.
Do NOT use isopropyl alcohol to clean the scanner window or the toner sensor.
Gears
Toner Sensor
Electrical
Terminal
Scanner Window