AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 94
(2) Maintenance and parts replacement
(Replacement parts)
a. Scanner unit
1) Remove the SPF unit. (See “a. SPF unit” in the “SPF section”)
2) Remove the table glass. (See “a-1. Table glass” in this section)
3) Remove the panel lock connector. (For dehumidifier heater)
4) Remove the flat cable, the connector, and harness from the cable
clamp.
5) Remove the right side cabinets upper and lower.
6) Remove the screw and the fixing plate.
No. Unit Parts
a Scanner
unit
1 Table glass ❍
2 Slit glass (SPF scan mode) ❍
3 Mirror ❍
4 Lens ❍
5 Reflector ❍
6 Scanner dry heater
7Rails ✩
8Drive belt ✕
9Drive wire ✕
10 Pulley ✕
a Scanner
unit
11 Scanner lamp ❍
12 Inverter PWB
13 CCD lens unit ❍
14 Scanner relay PWB
15 Scanner motor
16 Scanner FLASH PWB
17 Scanner control PWB
18 SPF open/close detector
19 Scanner home position sensor
detector
20 Document size detection light emitting
PWB
21 Document size detection light
receiving PWB
a-1
a-2
a-3
a-8
a-4
a-5
a-6
a-9
a-9
a-7
a-7
a-10
a-10
a-11
a-12
a-13a-14
a-15
a-16
a-17
a-18
a-19
a-20
a-21 a-22
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