AR-FX4. Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 3

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AR-FX4 OUTLINE/SPECIFICATIONS - 1
[1] OUTLINE
This unit is a fax expansion kit which provides facsimile functions by
attaching to the digital machine AR-235/275 series.
To expand facsimile functions, use of SPF/RSPF is recommendable.
By attaching a job separator/finisher, copy output and fax output can
be separately discharged to different trays.
The fax board of the fax expansion kit is provided with 2MB flash mem-
ory (standard). An expansion memory of one of 2MB/4MB/8MB can be
added. (2MB expansion memory for fax, AR-MM5; 4MB expansion
memory for fax, AR-MM6; 8MB expansion memory for fax, AR-MM7)
[2] SPECIFICATIONS
1. Communication system
(1) Electronic transmission system
2. Scanning system
(1) Document size
(2) Transmission mode document load quantity scan 
cycle (SPF/RSPF capacity)
(3) Half-tone reproduction density adjustment
RSPF (AR-RP3)
SPF (AR-SP4)
Job separator
(AR-TR3)
Finisher
(AR-FN5)
Expansion memory (One of them is attached to.)
2MB
AR-MM5
AR-MM6
AR-MM7
4MB
8MB
FAX expansion kit
(AR-FX4)
Transmission time
About 3 sec (Super G3/33660bps)
About 6sec (G3 ECM/14400bps)
Compression system
MH, MR, MMR, JBIG
Modem speed
33600bps 
 2400 auto fall back
Mutual 
communication
Super G3/G3
Employed line
Public Switched Telephone Network 
(PSTN), Private Branch Exchange (PBX)
Number of employed 
lines
One line (no additional line allowed)
ECM
YES
Max. document 
width
297mm (11.7")
Unscanable area
Lead edge 5mm or less, rear edge 5mm or less
left & right edges 6mm or less
Auto 
detection 
size
OC
AB series
A3/B4/A4/A4R/A5
Inch series
11 x 17/8.5 x 14/8.5 x 11/
8.5 x 11R/5.5 x 8.5
SPF/
RSPF
AB series
A3/B4/A4/A4R/A5
Inch series
11 x 17/8.5 x 14/8.5 x 11/
8.5 x 11R/5.5 x 8.5
Document size 
specified
AB series
A3/B4/A4/A4R/A5/8.5 x 11/
8.5 x 11R
Inch series
11 x 17/8.5 x 14/8.5 x 11/
8.5 x 11R/5.5 x 8.5/A4/A4R
AB series 
+ foolscap
A3/B4/A4/A4R/A5/8.5 x 11/
8.5 x 11R/8.5 x 13
Duplex document 
specified
YES
Long document
Max. 1000mm,.depending on the document 
width and resolution
Differs in single/duplex.
SPF/OC 
transmission select
NO (Selection inhibited during scanning of a 
document)
Continuous auto 
paper feed
YES
Document load 
capacity
30 sheets
Document scan cycle
About 40 pages/min (Normal, A4R memory 
transmission, guaranteed scan pages = 30 
pages)
Document scan 
speed
About 1.5sec/page (Normal, A4R memory 
transmission)
Half-tone (Photo 
mode)
Equivalent to 256 gradations (Combination 
of fine/super fine/ultra fine is possible.)
Density selection
Auto/manual in 5 steps
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