AR-337 (serv.man10). Cougar Firmware Revision Table - Sharp Copying Equipment FAQ (repair manual). Page 5

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PERIPHERAL FIRMWARE 
Last Update
08-Jan
FINISHERS
FN1
FN2
FN3
Revision/Correction Made
Web Site
1.01
Changed the method of controlling the alignment plate & paddle in order to improve stacking ability when staple sort 
mode is selected.
1.03
Upgraded due to the release of AR405.
To correct paper misfeeds when printing face down (AR405 only).
EPROM
2.10
Include one-way clutch when shipping.
EXCHANGE
2.13
Upgraded due to the release of AR405 & ARPB2.
ONLY
3.20
Upgraded to ARFN1N.
3.22
Changed the number of times the alignment plate operates from twice to once for copying operation in staple mode.
2.1A
Start of production.
DOCUMENT FEEDERS
RF1
RF2
RSPF
Revision/Correction Made
Web Site
C.11
C.11
V.44
Start of AB production.
V.45
To improve the original paper feeding performance when using duplex copying - the operation timing of the
EPROM
paper feeding motor and the pressure solenoid has been changed.
EXCHANGE
The problem of multiple copying has been corrected (M/C locked when the 2nd and after pages were jammed.
ONLY
NETWORK CARDS
NC1D
NC3D
Revision/Correction Made
Web Site
4.39
5.46
Production start
5.55
To support AR-PB2A release & fix a number of bugs.
5.59
To correct the network card appearing to "Hang".
5.67
Overcomes dropping off Netware Queue based networks & subnetting issues.
Yes
5.72
Appletalk processing fails when printing large job from Mac G4 machine
5.72d
Added Port9100 (for AS400 compatibility),  TCP/IP address printing restrictions
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