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TROUBLESHOOTING AND ROUTINE MAINTENANCE
ZleMFC-US-FAX-4750e/5750e-
Routine Maintenance
Keep your machine in optimum condition by cleaning it on a regular basis. It is
a good idea to clean the drum unit during this routine. Avoid using thinners or
other organic solvents and do not use water.
Cleaning the Document Scanner
1
Unplug the telephone line, and then the power cord.
When you reconnect these lines later, connect the power cord first, and then the
telephone line.
2
Lift the control panel cover.
3
Clean the white bar and glass cover
under the white bar.
Moisten a small, clean, soft, lint-free
cloth with isopropyl alcohol and
carefully remove dirt from the glass
cover and the white bar.
Cleaning the Printer
Caution
■ Do not use isopropyl alcohol to remove dirt from the control panel. It may crack the
panel.
■ Do not use isopropyl alcohol to clean the scanner window.
■ Do not touch the scanner window with your finger.
■ The drum unit contains toner, so handle it carefully. If toner scatters and your hands
or clothes get dirty, immediately wipe or wash it off with cold water.
1
Open the front cover.
2
Remove the drum unit assembly.