Operational Descriptions - Sharp AR-SP3 (SPF) Service Manual

AR-SP3
[3] AR-SP3

1. Operational descriptions

A. Outline
The SPF (Single Path Feeder) is installed to the AL-1000/1200 as a standard provision, and it automatically copies up to 30 sheets of documents
of a same size. (Only one set of copies)
B. Document transport path and basic composition
(1) Pickup roller
(4) Paper stopper
(7) Paper entry sensor
(10) Paper exit roller
C. Operational descriptions
(2) Sheet of document for paper feed
(5) Document feed roller
(8) PS roller D
(11) Paper exit follower roller
Time chart (Tray feed)
Document set
SPID ON
Document feed unit lamp ON
PSW ON
MIRM rotation
(Copier side)
MM rotation
Main motor rotation
Paper feed
CPFS ON
PPD ON
Synchronization
RRC ON
Paper transport
(Transfer)
(Fusing)
POD ON
(Paper exit)
In the zooming mode, the magnification ratio in the sub
scanning direction (paper transport direction) is adjusted
by changing the document transport speed.
(3) Set detection ACT
(6) Separation sheet
(9) Transport follower roller
(12) Document tray
Document set sensor
Copy start
The scanner is shifted
to the exposure position.
(SPF side)
SPF motor rotation
SPFM rotation
SPUS ON Document feed
Document transport sensor
SPPD ON
Document transport
(Exposure)
(Document exit)
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