Image failure occurring repeatedly at the same interval (xx pitch)
[Symptom]
Repeating image failure [a] whose intervals are same pitch may occur.
The arrow [b] indicates the direction of feeding.
[Cause]
The image failure occurs when rollers have foreign matters or flaws.
[Service work]
Check the rollers or Belts of a) to o) below.
[Note] The pitch of No.i (Fixing Roller), No.j (Pressure Belt), No.k (Pressure Roller), No.l (External Heat Belt) may become slightly
wider due to thermal expansion.
No Interval(xx pitch) Parts Parts No
a 264mm DRUM DRUM
b 55mm Developing Upper Cylinder FM1-A304 (Developing Assembly)
c 45mm Developing Lower Cylinder FM1-A304 (Developing Assembly)
d 50mm Primary Transfer Roller FC8-6852
e 66mm Secondary Transfer Inner Roller
FM1-A359 (2ND TRNSFR. INNER ROLLER
ASS'Y)
f 75mm Secondary Transfer Outer Roller FE4-6066
g 198mm Secondary Transfer Outer Belt FE3-1953
h 69mm Secondary Transfer Outer Belt Drive Roller
FM1-M250 (BELT DRIVE ROLLER ASSEM-
BLY)
i 252mm Fixing Roller
FL1-1151 (Primary Fixing)
FL1-1152 (Secondary Fixing)
j 220mm Pressure Belt (Primary Fixing Assembly) FL0-0358
k 190mm Pressure Roller (Secondary Fixing Assembly) FL0-0515
l 189mm External Heat Belt(Primary/ Secondary Fixing Assembly) FE3-1881
m 63mm Collection roller (Primary/ Secondary Fixing Assembly) FM1-D338
n 50mm
Fixing Inner Delivery Lower Roller (Primary/ Secondary Fixing
Assembly)
FC5-9775
o 45mm Fixing Inner Delivery Upper Roller
FC7-4644 (Primary Fixing)
FM1-K630 (Secondary Fixing)
44
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