Cleaning The Scan Unit - Dell 2145cn Service Manual

6. Locate the long strip of glass (LSU) inside the
cartridge compartment, and gently swab the
glass to see if dirt turns the white cotten black.

Cleaning the scan unit

Keeping the scan unit clean helps ensure the best possible copies. We suggest that you clean the scan unit
at the start of each day and during the day, as needed.
1. Slightly dampen a soft lint-free cloth or paper
towel with water.
2. Open the scanner lid.
3. Wipe the surface of the scanner glass and DADF
glass until it is clean and dry.
Alignment and Troubleshooting
7. Reinstall all the compartments into the machine,
and close the front cover.
8. Plug in the power cord and turn the machine on.
4. Wipe the underside of the scanner lid and white
sheet until it is clean and dry.
5. Close the scanner lid.
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