Toshiba e-STUDIO556 Service Manual page 544

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4. Cleaning the Drum

At periodic maintenance calls, wipe the entire surface of the drum clean using the designated

cleaning cotton. Use sufficiently thick cleaning cotton (dry soft pad) so as not to scratch the drum

surface inadvertently with your fingertips or nails. Also, remove your rings and wristwatch before

starting cleaning work to prevent accidental damage to the drum.

Do not use alcohol, selenium refresher and other organic solvents or silicon oil as they will have an

adverse effect on the drum.

5. Scratches on OPC Drum Surface

If the surface is scratched in such a way that the aluminum substrate is exposed, no copy image will

be produced on this area. In addition, the cleaning blade will be damaged so replacement with a

new drum will be necessary.

6. Collecting Used OPC Drums

Regarding the recovery and disposal of used OPC drums, we recommend following the relevant

local regulations or rules.

Checking and cleaning of drum cleaning blade and transfer belt

cleaning blade

1. Handling precautions

Pay attention to the following points as the cleaning blade life is determined by the condition of its

Do not allow hard objects to hit or rub against blade edge. Do not rub the edge with a cloth or soft

Do not leave oil (or fingerprints, etc.) on the edge.

Do not apply solvents such as paint thinner to the blade.

Do not allow loose thread or dirt to contact the blade edge.

Do not place the blade near a heat source.

2. Cleaning procedure

Clean the blade edge with a cloth moistened with water and squeezed lightly.

Handling of drum cleaning brush and transfer belt cleaning brush

Do not touch the brush surface with bare hands.

Handling of transfer belt

1. Do not touch the belt surface with your bare hands.

2. Prevent oil or other foreign matter from adhering to the belt surface.

3. Do not touch the transfer belt with alcohol or other organic solvents.

4. Do not apply external pressure that might scratch the transfer belt.

e-STUDIO556/656/756/856/557/657/757/857

PREVENTIVE MAINTENANCE (PM)