AR-M550 (serv.man90). Improvement Of The Fusing Unit - Sharp Copying Equipment Technical Bulletin (repair manual). Page 6

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Sharp Electronics (UK) Ltd., Technical Services Group
Fuser Drive:
It may be necessary to remodel the Fuser Drive Assembly for various reasons.
The major purposes of the changes are as follows:
1.  Addition of parts for driving.
2.  Common use of lower separator pawls with other models.
3.  Improvement in durability margin of the fusing joint shaft.
The Fusing Drive Frame (CRFM-1103DS52) is identified by the fusing joint
shaft “Concave For Identification”
Please see Bulletin 036 posted 14
th
 March 2006 on remodelling the Fuser
Drive Assembly (Part Change).
Note: - The AR-703FU (Fuser Unit) is not compatible with the
MX-M550/M620/M700U (Dragon 2).
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