Image Smudges (3/13)
c. Clean the toner exhaust duct at inside of
machine
While the developing unit is taken out and the
conveying guide is removed, suction the toner
exhaust part at inside the machine where the
toner exhaust duct of the developing unit
connected with a cleaner. (Fig.4)
Note) Clean while paying attention not to scratch the gear and registration roller.
(Before
cleaning)
Tone is
accumulating.
(-->) Toner Exhaust Aperture
Fig.4
d. Check the machine’s production month
Check the production month from the
machine’s serial number on the rating label and
clean it according to the production month.
・Before 2012/Feb. production machine.
Refer to the cleaning procedure “e”
”g”
・After 2012 / Mar. production model.
Refer to the cleaning procedure “f”
“g”
MACHINE No. N4P22*****
16 : 2011/6
17 : 2011/7
18 : 2011/8
19 : 2011/9
1X : 2011/10
1Y : 2011/11
1Z : 2011/12
21 : 2012/1
22 : 2012/2
23 : 2012/3
24 : 2012/4
25 : 2012/5
(Rating label)
(Way of refer to the
production month)
N4P：Model
Number
It differs
according to
the model
22：Indicate
2012 Feb.
production
13
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