Canon DADF-M1 Service Manual page 85

*1: the actual number of originals the machine has handled may be checked using its host machine's service mode: COPIER>COUNTER>FEEDER>FEED.
*2: apply silicone oil.
The following diagram shows the arrangement of the parts that need to be serviced on a periodical basis:
[10] [9] [12] [11] [13] [14] [15]
No Parts name
1 White plate (copyboard cover)
2 Post-separation sensor (prism)
3 Read sensor (prism)
4 Delivery reversal sensor (prism)
5 No. 1 registration roller
6 No. 1 registration roll
7 No. 2 registration roller
8 No. 2 registration roll
9 Read roller 1
10 Read roll 1
11 Platen roller
12 Platen upstream roll
13 Platen downstream roll
14 Read roller 2
15 Read roll 2
16 Reversing roll
17 Reversing roller
18 Delivery reversing upper roller
19 Delivery reversing lower roller
20 Original pickup tray
21 Open/close guide (including sheets)
22 Delivery guide
23 Reversing guide
24 Pre-registration guide (including sheets)
25 Feed guide
26 Reversing flapper
27 White plastic film
28 Dust-colleting tape
29 Reading glass*2
30 DADF height (See the Adjustment Procedure.)
31 Roll scraper
[3] [7] [8] [17] [16] [4] [6] [5]
T-4-4
80,000 originals or 6
months
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
B
D
A
[2]
[19] [18]
F-4-3
Servicing*1
160,000 originals or 12
month
A
A
A
[20]
Chapter 4
4-3