Sharp AR-651 (serv.man4) Service Manual ▷ View online
4 - 5
AR-651/810 PREVENTIVE MAINTENANCE
4. 2. General Descriptions for PM Procedure
(1)
Preparation
a. Ask the user about the current machine conditions and note them down.
b. Before starting maintenance, make some sample copies and save them.
c. See the replacement record and check the parts needed to be replaced in the PM support mode
(6S-2) or list printing mode (9S-103).
6S-2
: [6]+[START]+[POWER]ON
[2]
[START]
9S-103 : [9]+[START]+[POWER]ON
[103]
[START]
d. Turn OFF the power and unplug the copier for sure.
(2)
Perform a preventive maintenance using the following checklist and illustrations. Refer to the Service
Manual if necessary.
(3)
Plug in the copier after the maintenance has been finished. Then turn ON the power and make some
copies to confirm that the copier is working properly.
4. 3. Operational Items in Overhauling
(1)
Replace all the supplies.
(2)
Check the components in the drive section (gears, pulleys, timing belts, etc.). Replace them with
new ones if they are damaged.
(3)
Check all the adhesives such as tape and Mylars if they are damaged or have become unstuck.
Replace them with new ones if necessary.
(4)
Check the performance of all the switches and sensors. Replace them with new ones if necessary.
(5)
Clean inside the copier thoroughly.
4. 4. Preventive Maintenance Checklist
Symbols used in the checklist
Cleaning
Lubrication
Replacement
Operation check
Date
A
Clean with alcohol
Clean with soft pad,
cloth or vacuum cleaner
L
Launa 40
Coating
SI
Silicon oil
W
White grease
(Molycoat)
AV Alvania No.2
The number of sheets
consumed before
replacement
(Value x 1,000)
Replace if deformed
or damaged
After cleaning
or replacement,
confirm there is
no problem.
User name
Serial No.
Inspector’s
name
Remarks
AR-651/810 PREVENTIVE MAINTENANCE
4 - 6
[Preventive Maintenance Checklist]
Notes: 1. Perform cleaning and lubricating in every 460,000 copies for the AR-651 and every 500,000k copies
for the AR-810. Lubricate the replacement parts following to the replacement cycle.
2. Values under “Replacement” indicate the replacement cycle for the AR-651/AR-810.
3. The replacement cycle of the parts in the feeding section equals to the number of sheets fed from each
paper source.
4. Be careful not to put oil on the rollers, belts and belt pulleys when lubricationg.
Replace-
Section
Items to check
Cleaning
Lubri-
ment
Operation
cation
(x1,000
check
sheets)
Scanner
Laser unit
Feed unit
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)
11. Slit glass
12. Pickup roller (cassette)
13. Feed roller (cassette)
14. Separation roller (cassette)
15. Pickup roller (Tandem LCF)
16. Feed roller (Tandem LCF)
17. Separation roller (Tandem LCF)
18. Transport roller
19. Paper guide (all)
20. Drive gear (tooth face and shaft)
21. GCB bushing bearing
22. Registration roller
23. Paper dust removal brush
or A
or A
or A
W
200/200/200
W
200/200/200
200/200/200
300/300/300
300/300/300
300/300/300
A
W
L
A
4 - 7
AR-651/810 PREVENTIVE MAINTENANCE
Replace-
Section
Items to check
Cleaning
Lubri-
ment
Operation
cation
(x1,000
check
sheets)
Bypass
feed unit
Process
related
section
Main charger
Drum/
Cleaner
Developer
unit
24. Pickup roller
25. Feed roller
26. Separation roller
27. Bypass tray
28. Drive gear (tooth face and shaft)
29. GCB bushing bearing
30. Discharge lamp
31. Drum shaft
32. Ozone filter
33. Charger case
34. Charger wire
35. Contact point of terminals
36. Charger wire cleaning pad
37. Grid
38. Photoconductive drum
39. Whole cleaner unit
40. Drum cleaning blade
41. Drum cleaning brush
42. Recovery blade
43. Separation finger for drum
44. Used toner auger drive section
45. Cleaner lower guide
46. Image quality sensor
47. Drum shaft bearing
48. Whole developer unit
49. Developer material
50. Front shield
51. Oil seal (9pcs.)
100/100/100
100/100/100
100/100/100
W
L
460/500
460/500
460/500
460/500
460/500
460/500
460/500
460/500
W
460/500
AV
920/1000
AR-651/810 PREVENTIVE MAINTENANCE
4 - 8
Replace-
Section
Items to check
Cleaning
Lubri-
ment
Operation
cation
(x1,000
check
sheets)
Developer
unit
Toner recycle
Transfer belt
Toner bag
Fuser unit
52. Guide roller
53. Toner filter
54. Whole toner recycle unit
55. Transfer belt
56. Transfer belt power supply roller
57. Transfer belt drive roller
58. Transfer belt follower roller
59. Transfer belt cleaning blade
60. Transfer belt cleaning brush
61. Flicker periphery
62. Transfer belt power supply roller bearing
and plastic bushing
63. Toner bag
64. Fuser roller
65. Pressure roller
66. Upper separation finger
67. Cleaning web
68. Web pushing roller
69. Cleaning roller (felt)
70. Cleaning roller (metal)
71. Thermistor (4pcs.)
72. Fuser unit inlet/exit guide
73.Web motor worm gear
or A
460/500
460/500
A
A
A
460/500
460/500
A
L
920/1000
460/500
460/500
460/500
460/500
460/500
460/500
460/500
A
A
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