Service Manual

III SERVICE
SERVICE SCHEDULE
3-7
3
1.2.3 DF-318/320
Every 120,000 copies/prints (7145)
Every 100,000 copies/prints (7235/7228/7222)
6
Final check
(1) Loading of toner car-
tridge
z
(2) Check of W.U.T
z
(3) Check of image
adjustment
z
(4)
Check of copy samples
z
(5) 25 mode PM counter
resetting
z
(6)
Peripheral and exterior
of the machine
z
Drum cleaner/
Cleaning pad
Note:
• The inlet filters for the FM4 may get soiled depending on the location in which the machine is placed. Be
sure to clean it when the filter is found clogged with dust while in inspection.
When cleaning is not made properly, toner packing may result due to a temperature rise inside the
machine.
No.
Classification
Service item Quantity Implementation classification Materials•Tools
used
Cleaning Check
Lubrication Replacement
No.
Classification
Service item Quantity Implementation classification Materials•Tools
used
Cleaning Check
Lubrication Replacement
1
Preparations
(1) Paper through check
z
2
Paper feed
section
(1) Original registration
sensor
z
Blower brush
(2) Original conveyance
sensor
z
Blower brush
(3)
Original size sensor/1, /2
z
Blower brush
(4) Paper feed roller
z
Drum cleaner/
Cleaning pad
(5) Feed roller
z
Drum cleaner/
Cleaning pad
(6)
Double feed prevention
roller
z
Drum cleaner/
Cleaning pad
(7) Read roller
z
Water/
Cleaning pad
Note:
• Do not use
alcohol.
(8) Paper dust removing
brush
z
Blower brush
3
Final check
(1) Paper through check
z
(2) Exterior cleaning
z
Drum cleaner/
Cleaning pad