Periodical Maintenance - Sharp AR-650 Service Handbook

2.

PERIODICAL MAINTENANCE

2.1 Inspection every 400,000 Copies
(1) Preparation
Ask the copier operator about the present machine conditions and note them down.
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Before starting the maintenance work, make and retain a few sample copies for comparison
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reference purposes.
Turn the power switch OFF and disconnect the power cord plug.
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(2) The periodic inspection should be conducted in accordance with the Periodic Inspection Check list
shown below.
Perform the inspection by referring to the figures, as well as to the explanation in the Service Manual
when necessary.
(3) After the inspection has been completed, plug in the machine and turn the power switch ON, and
check the general operation of the machine by making a few copies and comparing them to those
made previously.
2.2 Inspection and Overhaul every 800,000 Copies
(1) Replace all the consumables.
(2) Check that if there is any damage to the parts in the driving section (gear, pulley, timing belt, etc.). In
principle, replace those parts at this time.
(3) Check to see if there is any damage or peeling of adhered parts (tape, Mylar sheet, etc.). Replace
any affected parts if necessary.
(4) Check that if all the switches and sensors operate properly. Replace them if they are not operating
properly.
(5) Clean the inside of the machine thoroughly.
Note: Before inspecting and overhauling the feed section of the 3-cassette feed unit, remove the
PFP upper aligning unit and PFP feed unit from the copier.
Explanation of the items in the "Remarks" column of the Periodic Inspection Check List
2.3 Periodic Inspection Check List
Symbols used in the Periodic Inspection Check List
Cleaning
A : Cleaning with alcohol
: Cleaning with soft
pad, cloth, or cleaner
(vacuum cleaner)
Lubrication Replacement
L : Launa 40 100: Every 100,000 copies
Application 400: Every 400,000 copies
SI : Silicon Oil Same from here on
: White grease : Replace in event of defor-
W
(Molycoat) mation or other damage
AV
: Alvania No.2
2 - 1
Operation check Date
: Check for User's
abnormalities name
after cleaning Machine
or No.
replacement. Inspector
Remarks
MAINTENANCE