Read Sharp AR-285 (serv.man5) Service Manual online
[1] GENERAL
1. Features of copying functions
A. Touch panel
The touch panel with the back-lighted LCD allows various operations
simply. It also shows operations descriptions and paper jam treat-
ment.
simply. It also shows operations descriptions and paper jam treat-
ment.
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.
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.
C. Automatic document feeder as standard
provision
Without opening the document table cover, documents can be auto-
matically fed and copied.
matically fed and copied.
The automatic document feeder provided in the AR-285/335 allows
automatic reversion of documents for duplex copying as well as sim-
plex copying. (The automatic document feeder of the AR-280 allows
only simplex copying.)
automatic reversion of documents for duplex copying as well as sim-
plex copying. (The automatic document feeder of the AR-280 allows
only simplex copying.)
D. Front loading paper tray
The paper trays including the two-step paper feed desk employ a
front loading system to facilitate paper loading.
front loading system to facilitate paper loading.
E. 776-step zooming
The zooming function allows selection of the magnification ratio from
25% to 800% in 776 steps (1% increment). (When the automatic
document feeder (AR-280) is used, zooming from 25% to 200% in
176 steps (1% increment) is allowed.)
25% to 800% in 776 steps (1% increment). (When the automatic
document feeder (AR-280) is used, zooming from 25% to 200% in
176 steps (1% increment) is allowed.)
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.
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.
READY TO COPY.
EXPOSURE
PAPER SELECT
COPY RATIO
AUTO
100%
AUTO 8 / 11
1
2
2.11 17
1
1.8 / 11
2
1
8 / 11
1
2
ORIGINAL
8/ R
1
2
Independent zooming copy
Black-white reversing copy
Centering copy
AUTO IMAGE
ER SELECT
COPY RATIO
REVEW
TO 8½X11
100%
8½X11
11 X 11
1 – 1
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