i want to change speed 55 copier to 70 copier , please for me. thank you
change speed AF551 -> AF700
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I think this is an interesting question. All the PCBs, motors and gears are the same so what gives it the different speed.
I heard that it is programmed in at the factory, but what happens when you change a PCB,HDD or NVRAM? The speed remains the same.
I guess it must be programmed in more than one place and when the NVRAM is replaced it re-programmes itself. So, if you were to replace all the PCBs,HDD and NVRAM, how would the machine know its speed?Comment
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The motor speed can be the same, but the time interval between paper feeds is different. The faster machine often feeds its paper at a shorter interval so it prints more sheets per minute. It's programmed somewhere in the machine, and I also don't know where exactly. What I do know is that it's not a matter of something simple as a firmware change.Comment
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eraoufi
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you must conect 2 wire together .... if you want mor guid contact me agane on eraoufi@yahoo.comComment
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eraoufi
find "A293 5140 Connector Board " ( behind of the main board )
ther is a connector with 4 wire ( 3 brown and 1 white )
you shude connect first & second brown wire together
i can send you pictur of this board and connector if you want ....contact with my mail eraoufi@yahoo.com
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I guess I will have to make sure I look at this when I next visit these 2 machines.
Thanks for that.Comment
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