General - Sharp AR-280 Service Manual

[1] GENERAL

1. Features of copying functions
A. Touch panel
The touch panel with the back-lighted LCD simplifies various opera-
tions. It also shows operation descriptions and paper jam treatment.
READY TO COPY. (DOCUMENT FEEDER MODE)
AUTO AUTO 8/ 11
EXPOSURE PAPER SELECT
B. Various functions of digital system
Different from the conventional analog copiers, this machine employs
the digital system where the image data of a document scanned by
the CCD sensor (which converts photo signals into electrical signals)
are converted into digital signals. This digital system allows the inde-
pendent zooming copy, black-white reversing copy, and centering
copy.
Independent zooming copy
Black-white reversing copy
Centering copy
C. Front loading paper tray
The paper trays including the two-step paper feed desk employ a
front loading system to facilitate paper loading.
ORIGINAL 8/ 11 1
2
1.8/ 11 1
2
2.11 17
1 100%
2
COPY RATIO
D. Automatic document feeder as standard
provision
Without opening the document table cover, documents can be auto-
matically fed and copied.
The automatic document feeder provided in the AR-280/285/286/287/
335/336/337/405/407/501/505/507 allows automatic reversion of
documents for duplex copying as well as simplex copying.
(The automatic document feeder of the AR-280/281 allows only sim-
plex copying.)
AR-280/285/335
AR-405/407
E. Step zooming
The zooming function allows selection of the magnification ratio as
follows.
AR-280/281
AR-250/285/286/287/335/336/337 25% to 800%
AR-405/407/501/505/507
F. Paper/magnification ratio auto selection
When the desired magnification ratio is specified, the suitable paper
size is automatically selected by the original size detection function. If
the copy paper size is specified, then the suitable magnification ratio
is automatically selected.
8½X11
11 X 11
TO 8½X11
ER SELECT
G. 1-set 2-copy
The right and the left pages of a book, etc. can be copied onto two
sheets of paper continuously.
1 – 1
AR-286/287/336/337
AR-501/505/507
Magnification
Increment Steps
ratio
25% to 200% 1%
1%
25% to 400% 1%
REVEW
AUTO IMAGE
100%
COPY RATIO
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