Re: [CAD_CAM_EDM_DRO] Deskjet Printer Encoders

beer@... wrote:

> 1. The encoder assembly is a QEDS-9500 . ( Yes, "Q" ) I have no
> information on this device, nor does HP or Agilent. Does anyone here
> know what its capabilities might be ?
>
> ( Physically, it LOOKS just like an HEDS-9200, but whether it is or
> not ... )

It is probably an HEDS-9500 (is that the same as a 9200 with index
channel, or is the
9500 a different pitch - I don't remember.) The Q probably indicates a
different terminal
arrangement, maybe a short cable instead of just pins.

>
> 2. Is there any conceivable reason to use these as servos ? To NOT
> rip
> the codewheels out and throw away the motors bits ?

Yes, the motors may make decent DC tachs.

Jon