Toshiba DP4500 Service Handbook page 81

Notes: 1. Perform cleaning and apply lubrication every 150,000 copies for DP4500 and 116,000 copies for
DP3500. Apply lubrication to the replacement parts according to the replacement cycle.
2. Values under "Replacement" indicate the replacement cycle for the DP4500/DP3500.
3. <P-I> under "Remarks" indicates page and item number in the Parts List.
4. The replacement cycle of the parts in the feeding section depends on the number of sheets fed from
each paper source.
5. Do not put oil on the rollers, belts and belt pulleys.
Section
Scanner 1. Original glass
2. ADF original glass
3. Mirror-1
4. Mirror-2
5. Mirror-3
6. Reflector
7. Lens
8. Exposure lamp
9. Automatic original detection sensor
10. Slide sheet (front and rear)
Laser unit 11. Slit glass
Drive system 12. Main motor drive unit gear
Feeding 13. Pickup roller (upper and lower)
section
14. Feed roller (upper and lower)
15. Separation roller (upper and lower)
16. Transport roller
17. Paper guide (all)
18. Drive gear (tooth face and shaft)
19. One side of the GCB bushing to which
the shaft is inserted
20. Registration roller
21. Paper guide
DP4500/3500 PREVENTIVE MAINTENANCE
[Preventive Maintenance Checklist]
Items to check
Lubri-
Cleaning
cation
or A
or A
or A
W
W
W
AV
A
W
L
A
3 - 2 December 2000 © TOSHIBA TEC
Replace-
-ment Operation Remarks
(x1,000 check <P-I>
sheets)
<P20-I2>
<P9
-I41,42>
80/80
<P13-I20>
80/80
<P13-I20>
80/80
<P13-I9>
<P14-I7>
<P18-I19>
<P18
-I1,7,12>
*1
*2
*2
*3
*4