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30 June 1997
3. PREVENTIVE MAINTENANCE SCHEDULE
3.1 PM TABLE
Basically, PM items are the same with A175/A176/A177/A191/A192 copiers.
The following is the additional items and revised items from A175/A176/A177/
A191/A192 copiers.
NOTE: The numbers mentioned for PM intervals indicate the number of
copies.
Symbol key: C: Clean R: Replace L: Lubricate I: Inspect
OPTICS
Scanner Timing Belt Pulley
Shaft
DUPLEX
Duplex Drive Belt Tension
Duplex Drive Belt Idle
Shaft and Gears
Duplex Paper End Sensor
FUSING/PAPER EXIT UNIT
Incorrect
Fusing Thermistor
Correct
Fusing Thermistor
The hot roller thermistor PM action has been revised. Please see the
following table.
*: These items have been revised for all the versions (A175/A176/A191/A192/
A220).
NOTE 6: Fusing Section
1. Do not apply silicone oil on the hot roller thermistor.
PREVENTIVE MAINTENANCE SCHEDULE
EM
120 k 240 k 360 k
I
C
C
C
C
I
I
4-7
NOTE
Lubricate with G501 (52039501) if
noise is excessive.
Lubricate with G501 (52039501) if
noise is excessive.
C
*
*Suitable solvent. Refer to NOTE
C
6.
I
Replace if necessary.
[A]
A220M505.wmf
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