Cleaning The Roll Unit - Canon imagePROGRAF GP-4000 Online Manual

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Cleaning the Roll Unit

About once a month, clean the roll unit to ensure optimal operation.

• When the sensor of the feed slot is dirty, the printer might not perform auto feeding properly. Even if the

sensor seems clean, we recommend cleaning it because it may have paper dust on it.

1. Remove any roll paper loaded in roll unit.

Removing the Lower Roll from the Roll Unit (Option)

2. Turn printer off.

Turning the Printer On and Off

3. Unplug power cord from outlet.

• Always turn off the printer and unplug the power cord before cleaning or maintenance.

Accidentally leaving the printer on poses a risk of injury if you touch moving parts inside the

4. Wipe away any residue and paper dust from areas (A, B) that come in contact with paper

and sensor (C) with a thoroughly wrung out damp cloth, and wipe dry with a dry cloth.