Ricoh A085, Руководство пользователя

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5.3 REGULAR PM PROCEDURE
Make a copy of 0-S-A3 test chart at manual
image density level 4.
1. Clean the mirrors, lens and reflectors by using
a soft cloth, cotton pad with water, or a blower
brush.
2. Clean the exposure glass with alcohol or water.
3. Clean the scanner guide rail with a dry cloth.
4. Clean the magnification guide rail with a dry
cloth.
5. Clean the ADS sensor and the original width
and length sensors with a blower brush.
6. Replace the platen cover sheet.
7. Clean the optics cooling fan filter.
8. Replace the ozone filter.
1. Remove the used drum and clean the ID and V
sensors with a blower brush.
2. Clean the pick-off pawls and the toner shield
glass.
3. Clean the green filter with a dry cloth.
Discharge any static electricity on the filter.
4. Install a new drum.
5. Clean the QL and PTL filters, and erase lamp
unit with a dry cloth, discharge any static
before installation.
6. Clean the end blocks, casing and transfer
guide plate with water or alcohol.
7. Replace the corona wires and wire cleaner.
8. Clean the charge grid with a blower brush.
9. Clean the registration rollers.
2. Optics (every 80 K)
1. Make a Copy
3. Around Drum
(every
80 K)
Replace the charge
grid (every 160 K)
Replace the
development unit
drive gear
(every 240 K)
[Grease G-40M]
Every 80k
Every 160k or 240k (400k
)
PREVENTIVE MAINTENANCE SCHEDULE 12 February 1992
4-50