12 - 23 TROUBLESHOOTING AND ROUTINE MAINTENANCE
Cleaning the printer
Caution
Do not use isopropyl alcohol t o remove dirt from the control
panel. It may crack the panel.
Do not use isopropyl alcohol to c lean the laser scanner window.
Do not touch the scanner window with your fingers.
The drum unit contains tone r, so handle it carefully. If to ner
scatters and your hands or clothes get dirty, imm ediately wipe or
wash it off with cold water.
1
Turn the MFC power switch of f, unplug the MFC from the AC
outlet and telephone cord and open the front cover.
2
Remove the drum unit and toner cartridge assembly.
WARNING
Just after you have used the MFC, some internal parts of the
machine are extremely HOT! When you op en the front cover of the
MFC, never touch the shaded parts shown in the diagram below.
Front view
HOT!