Kyocera TASKalfa 2420w Hardware Operation Manual page 58

4. 1 Cleaning
4. 1. 1 Scanner Unit
It is recommended to clean each Scan Glass, Feeding Rollers and Guide Plates as the scan/copy
image may become defective if these parts are dirty.
1. Turn off the machine.
2. Press the levers (1) up to unlock the Scanner Unit. Open the Scanner Unit.
3. Wipe each Scan Glass (2), Pinch Rollers (3: gray) and the inside surface of the metal plates
with a soft cloth.
Use equal volume mixture of water and a neutral detergent.
NOTE
Do not use organic solvent, glass cleaner and anti-static spray for the cleaning.
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Chapter 4 Maintenance