Checking And Cleaning Of Drum Cleaning Blade; Checking And Cleaning Of Fuser Roller And Pressure Roller - Toshiba e-STUDIO350 Service Handbook

5) Scratches on photoconductive drum surface
If the surface is scratched in such a way that the aluminum substrate is exposed, no print 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 photoconductive drums
Regarding the recovery and disposal of used photoconductive drums, we recommend following the
relevant local regulations or rules.
4.9.3

Checking and cleaning of drum cleaning blade

1) Handling precautions
Pay attention to the following points as the cleaning blade life is determined by the condition of its
edge:
- Do not allow hard objects to hit or rub against blade edge.
- Do not rub the edge with a cloth or soft pad.
- Do not leave oil (or fingerprints, etc.) on the edge.
- Do not apply solvents such as paint thinner to the blade.
- Do not allow paper fibers 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.
4.9.4

Checking and cleaning of fuser roller and pressure roller

(1) Handling precautions
• Fuser roller
- Do not leave any oil (fingerprints, etc.) on the fuser roller.
- Be careful not to allow any hard object to hit or rub against the fuser roller, or it may be
damaged, possibly resulting in poor cleaning.
• Pressure roller
- Do not leave any oil (fingerprints, etc.) on the pressure roller.
(2) Checking
• Check for stain and damage on the fuser and pressure rollers, and clean if necessary.
• Check the separation guide and fingers and check for chipped tips.
• Check the cleaning effect of the cleaning roller.
• Check the thermistors for proper contact with the pressure roller.
• Check the fused and fixed condition of the toner.
• Check the gap between the entrance guide and pressure roller.
• Check the fuser roller for proper rotation.
(3) Cleaning procedure
When fuser roller and pressure roller become dirty, they will cause jamming. If this happens, wipe
the surface clean with a piece of suitable cloth. For easier cleaning, clean the roller white they
are still warm.
Note: Note:
Be careful not to rub the fuser roller and pressure roller surface with your nails or hard objects
because it can be easily damaged. Do not use silicone oil on the fuser roller and pressure roller.
e-STUDIO350/352/353/450/452/453
PREVENTIVE MAINTENANCE (PM)
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