Stain on back of papers and abnormal noise at the secondary
transferassembly due to worn out gears
[Symptom/Question]
In the machine earlier than the following countermeasure cut-inserial numbers in factory, Stain on back of papers, and abnormal
noise may occur, at the secondary transfer assembly .
[Cause]
In the secondary transfer assembly, the gears used at [a] in the belt cleaner assembly and at [b] in the transfer cleaner drive unit
are worn out, it may cause drive failure, leading to the aforementioned symptom.
[Remedy/Answer]
When the aforementioned symptom has occurred, prepare a set of 2ND TRNSFR. CLEANER GEAR SET (FM1-U402-000), which
is set up as a service part for exclusive use, and replace all with the set at the same time.
(NOTE: As for the machine with the new type gears installed, gears could be replaced in a single unit without a problem)
The parts set as a 2ND TRNSFR. CLEANER GEAR SET (FM1-U402-000) are listed below.
<Comparative table of parts to be replaced>
Fig No.
Key
No
Parts to be replaced
(Main body side)
2ND TRNSFR. CLEANER GEAR SET
(FM1-U402-000)
PART NUMBER DESCRIPTION PART NUMBER DESCRIPTION
335
[1] FE4-6174 POSITIONING ROLLER -> FE2-A988 POSITIONING ROLLER
[2] FE4-6174 POSITIONING ROLLER -> FE4-6174 POSITIONING ROLLER
[3] FU2-1491 15T GEAR -> FU2-2543 15T GEAR
[4] FU2-1492 21T/15T GEAR -> FU2-2544 21T/15T GEAR
[5]
FU2-1493 18T GEAR
-> FU2-2545 18T GEAR
[6] -> FE2-B033 SPACER
[7] FU2-1494 17T GEAR -> FU2-2546 17T GEAR
[8] FU2-1495 18T GEAR -> FU2-2547 18T GEAR
333
[9] FE4-6175 POSITIONING ROLLER -> FE4-6175 POSITIONINGROLLER
[10] FU2-1503 16T GEAR -> FU2-2549 16T GEAR
[11] FU2-1501 20T GEAR -> FU2-2548 20T GEAR
[ Note] Below shows the new type gears, component of the 2ND TRNSFR. CLEANER GEAR SET (FM1-U402-000)
1) Remove the secondary transfer assembly from a main body, then remove [1] to [5] and [7] [8] from the belt cleaner assembly
[a]. E-ring detached here should not be reused. Prepare and replace with a new one.
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