: Feb. 6 2004
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AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 121
(2) Maintenance and parts replacement
(Replacement parts)
a. Paper feed unit
1) Remove the cabinet.
(See “a-1. Cabinet” in the previous section,
“[External outfit section]”)
2) Disconnect the connector, and remove the paper feed unit.
a-1. Paper feed roller
a-2. Pickup roller
1) Pull up the lever and open the upper cover.
2) Remove the roller cover.
3) Remove the pawl and remove the rollers.
a-3. SPF paper feed clutch
a-4. SPF document tray upper limit detector
a-5. SPF document upper limit detector
a-6. SPF cover switch
a-7. SPF document paper pass detector 1
1) Remove the cabinet. (See “a-2. Document mat” in the previous
section, “[External outfit section]”)
2) Remove the document feed tray unit. (See “a. Paper feed unit” in
this section)
No. Unit Parts
a Paper feed
unit
1 Document feed roller
✕
2 Pickup roller
✕
3 SPF paper feed clutch
4 SPF document tray upper limit
detector
5 SPF document upper limit
detector
6 SPF cover switch
7 SPF document paper pass
detector 1
b 1 Separation roller
✕
2 SPF paper feed/paper transport
motor
3 SPF resist roller brake clutch
4 SPF resist roller clutch
5 No. 1 resist roller (Drive) ❍
6 Torque limiter ✕
7 SPF paper transport roller 2
brake clutch
8 SPF paper transport roller 2
clutch
9 Transfer roller 2 (Drive) ❍
10 Transport roller 1 (Drive) ❍
11 SPF document paper pass
detector 2
1
1
a a-1 a-2 a-4 a-5 a-6 a-7 a-3
b-1
b-2
b-4
b-7
b-6
b-8
b-5 b-9
b-10
b-11
b-3
3) Remove the cover and disconnect the connector.
AB
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