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February 2002 © TOSHIBA TEC 3 - 1 FC-210/310 PREVENTIVE MAINTENANCE
3. PREVENTIVE MAINTENANCE (PM)
3. 1 Types of Preventive Maintenance
The following two types of preventive maintenance should be performed:
Note: Values of the sheets correspond to the FC-210/FC-310.
(1) General maintenance (General PM)
General maintenance should be performed based on the value of the general PM counter (08-857).
This maintenance, which covers the black developer unit as well as the entire machine, should be
conducted in conjunction with the replacement cycle (every 40/60K sheets) of the black developer
material.
(2) Color maintenance (Color PM)
Color maintenance should be performed based on the value of the color PM counter (08-897).
This maintenance, which is performed with a focus on the color developer units, should be conducted
in conjunction with the replacement cycle (every 40/60K sheets) of the color developer materials.
The cycle (counter value) of color maintenance is determined by the ratio of color printouts to black
printouts, as shown by the following table, "Variation in PM cycles due to color/black printout ratios".
Variation in PM cycles due to color/black printout ratios
Color Black General PM (sheets) Color PM (sheets)
100% 0% 40.0 / 60.0K 40.0 / 60.0K
90% 10% 40.0 / 60.0K 44.4 / 66.7K
80% 20% 40.0 / 60.0K 50.0 / 75.0K
70% 30% 40.0 / 60.0K 57.1 / 85.7K
60% 40% 40.0 / 60.0K 66.7 / 100.0K
50% 50% 40.0 / 60.0K 80.0 / 120.0K
* Therefore, parts replacing , cleaning and lubrication for the paper feeding system, scanner section,
transfer/transport unit, fuser unit,etc. should all be performed in conjunction with the replacement
cycle of the black developer material.
e.g.)
Replacing the lower heat roller
: At the 1st cycle of replacing black developer material
(40/60K copies)
Replacing the transfer belt : At the 3rd cycle (FC-210) /2nd cycle (FC-310) of replacing black
developer material
(120/120K copies)
* For the details of maintenance items, refer to the checklist described later.
* Yields are based on factory defaults.