Sharp AR-651 Service Handbook page 127

*8 Drum cleaning blade / Drum creaning brush
Since the edge of the blade is breakable and can be easily damaged by matters such as the adherence
of paper dust. Replace the cleaning blade and brush with new ones if poor images are copied due to the
damaged blade regardless of the number of copies which have been made.
*9 Recovery blade
Replace the recovery blade regardless the number of copies if the edge of the blade get damaged.
*10 Separation fingers for the drum
The paper jam may be caused if the tip of the separation finger is damaged or deformed. If there is any
problem with it, replace the finger with a new one regardless of the number of copies which have been
made.
If any mark which was made by the finger appears on the printed image, clean the tip of the finger.
Notes: 1. Wipe the tip of the finger lightly with a dry cloth trying not to deform it.
Do not leave the lint on the tip.
2. Apply patting power to the tip of the fingers and drum surface after replacing or cleaning them.
*11 Toner transport auger drive section
Apply white grease to the toner transport auger drive section (shown by arrow).
*12 Developer material
After replacing the developer material, be sure to perform the auto-toner adjustment and then enforced
performing of image quality control.
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