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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c PREVENTIVE MAINTENANCE (PM)
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Remarks “*” in the Preventive Maintenance Check List
* a1. Original glass, ADF original glass
Clean both sides of the original glass and ADF original. Make sure that there is no dust on
the mirrors-1, -2, -3 and lens after cleaning. Then install the original glass and ADF original
glass.
Note: Note:
Make sure that there is no fingerprints or oil staining on part of the original glass on where the
original scale is mounted since the shading correction plate is located below the scale to be
scanned.
* c1, o1. Separation roller (Feed unit, PFP)
Apply an even coat of grease (Alvania No.2) to all round the inside of the spring.
When replacing the separation roller, apply adequate amount of white grease (Molykote
HP-300) on the places of the holder shown in the figure (4 places).
Note: Note:
Make sure that the grease does not adhere to the roller surface. Wipe it off with alcohol if
adhered.
* c2. Drive gears in the paper feeding section (teeth of gears and shafts)
Apply some white grease (Molykote X5-6020) to the teeth of gears and shafts of the drive
gears.
Note: Note:
Make sure that oil is not running over or scattered around as the gear is rotated coming into the
clutch after applying molykote to the gear which is located near the clutch. The quantity of moly-
cote should be smaller than that to be applied to the other parts.
Fig.4-12
Fig.4-13
Apply grease on the
inner surface
Apply white grease