Service Manual

III SERVICE
SERVICE SCHEDULE
3-6
3
1.2.2 7235/7228/7222
Every 100,000 copies/prints
8
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/FM7 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) Image check
z
(2) Exterior
z
2 Main body (1) Suction filter/A 1
z
(2) Filter cover assembly 1
z
(3) Cooling fan/1 (FM4)
Inlet filter
zz
Blower brush
(4)
Developing suction/F, /R
z
3 Read unit (1) Platen glass
(include the slit glass)
z
Drum cleaner/
Cleaning pad
(2) No. 1 to No. 3 mirrors
z
Drum cleaner/
Cleaning pad
4 Paper
feed unit
(1) Paper feed roller
z
Drum cleaner/
Cleaning pad
(2) Feed roller
z
Drum cleaner/
Cleaning pad
(3) Double feed
prevention roller
z
Drum cleaner/
Cleaning pad
(4) Paper dust removing
brush
z
Blower brush/
Cleaning pad
5 Bypass
feed unit
(1) Double feed preven-
tion roller
z
Drum cleaner/
Cleaning pad
(2) Paper feed roller
z
Drum cleaner/
Cleaning pad
(3) Feed roller
z
Drum cleaner/
Cleaning pad