AR-M351U, AR-M451U (serv.man10). Maintenance details of following sections, (Maintenance System Table) - Sharp Copying Equipment Service Manual (repair manual). Page 2

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AR-M351U/M451U, AR-M355U/M455U  MAINTENANCE AND DETAILS OF EACH SECTION  7 - 2
2. Scanner / DSPF
Maintenance cycle : 200K
 Check (Clean, replace, or adjust as necessary.)
 Clean
 Replace
 Adjust
 Lubricate
 Move position
Unit name
Part name
When 
calling
100K 200K 300K 400K 500K 600K 700K 800K
Remark
Optical 
section
Mirror/Lens/Reflector/Sensors
Table glass/Dust-proof glass/OC
White reference glass
Rails
Drive belt/Drive wire/Pulley
DSPF
Paper feed 
section
Pick-up roller
Note 2
Paper feed roller
Note 2
Separation mylar lower
Note 2
Separation pad
Note 2
Transport section PS roller
Exposure section 
(Dust-proof glass)
Paper exit 
section
Paper exit roller
Other
Sensors
For cleaning, blow air.
Note 2: Replacement reference: Replace by using the SPF counter value as an indication.
Paper feed section pickup roller, paper feed roller, separation pad, separation lower mylar lower: 
100K or 1 year
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