Sharp AR-M450

AR-M350 EXTERNAL VIEWS AND INTERNAL STRUCTURES 5-7
6. PWB
7. Motor, Clutch, Solenoid
No. Name Function/Operation
1 SPF control PWB SPF control
2 Original size detection PWB (Light emitting side) Original size detection when using the table glass
3 CCD PWB (in lens unit) (The lens unit cannot be disassembled.) Image scan (Table glass/SPF surface)
4 SPF original width detection volume PWB SPF original width detection
5 MFP operation PWB Panel operation control
6 LCD inverter PWB Inverter for LCD backlight
7 LVDS PWB LCD signal relay
8 Original size sensor (Light receiving side) Original size detection when using the table glass
9 CIS unit (in CIS unit) (The CIS unit cannot be disassembled.) Image scan (SPF back surface)
10 CIS interface PWB (in CIS unit) (The CIS unit cannot be disassembled.) CIS signal AD conversion process
11 Scanner interface PWB Scanner unit and connection of scanner control PWB
12 CIS control PWB CIS unit control and image process
13 CL inverter PWB Inverter for copy lamp
14 Scanner control PWB Scanner unit control
No. Name Function/Operation
1 SPFM SPF motor Original transport in SPF scan
2 SPSC SPF original resist clutch SPF original scan timing adjustment
3 SPFC SPF original feed clutch SPF original feed roller drive
4 SDSS SPF original stopper solenoid SPF original stopper gate drive
5 MIRM Mirror motor Mirror base copy lamp base drive
6 SPFS SPF original feed solenoid SPF original feed unit drive
7 STMPS Stamp solenoid Finish stamp drive (Option AR-SU1 required)
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7
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