Ricoh FT4460, Service Manual, Page: 203 / 413

21 April 1989
EM 60K 120K 180K 240K NOTES
C. AROUND DRUM
1. Corona wires C R
2. Wire cleaner R
3. Charge grid C
4. End blocks and casing C C
5. Transfer guide plate C
6. Pre-Transfer lamp C C
7. Quenching lamp
C C
8. ID sensor C C
9. Erase lamp unit C C
R R R
R R R
R C R
C C C
C C C
C C C
C C C
C C C
C C C
Dry cloth
Blower brush
Dry cloth
Dry cloth
Dry cloth, discharge any
static before installation
Dry cloth, discharge any
static before installation
Blower brush
Dry cloth
D. CLEANING UNIT
1. Cleaning blade R R Replace if necessary
2. Cleaning seal
C C C C
Replace if necessary
3. Cleaning brush
R
R
Replace if necessary
4. Pick-off pawls C C C C C Replace if necessary
5. Used toner bottle C C C C C Empty used toner
E. DEVELOPMENT UNIT
1. Developer R R R R Replace if necessary
Refer to NOTE 7
2. Upper brush seal C C C C
3. Side seals C C C C
4. Development unit L L Mobil temp 78. Refer to
change clutch NOTE 1
5. Development drive gear R Silicone grease G-40M.
Refer to NOTE 6
6. Development roller
L L
Silicone grease G-40M
gears Refer to NOTE 2
F. FUSING UNIT
1. Hot roller
C C R C
If necessary
2. Pressure roller C C R C If necessary
3. Stripper pawls C C C C Suitable solvent, replace if
necessary
4. Fusing entrance and C C C C Suitable solvent
exit guides
5. Fusing drive gears
R Refer to NOTE 5
6. Fusing thermistor
I I I I
Suitable solvent, clean if
necessary
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