LaserJet 4 Plus Memory Problem

Hi I have a LaserJet 4 Plus and I have bought 4 x 16MB EDO SIMMS. When I placed them into the printer I get this error code 53.00.02. I have taken each memory module out and placed them individually and still the same message, can anyone help?
Jonj1611Asked:
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RexNoctisConnect With a Mentor Commented:
The 53.00.02 code is for unsupported memory, while the LaserJet4+ can take 16MB SIMMS, they must be Fast Paging, 70ns, NON parity SIMMS that have the present detect signal enabled.

This page :>  http://www.shawnbehrens.de/hpmem.htm is the best explanation of HP memory I've ever seen, and may contain a workaround. I'm guessing that your EDO RAM is 60ns and must be "slowed down" to 70ns in order to work.
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Jonj1611Author Commented:
Thanks, well there you go eh, one example how faster memory is not always better.
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RexNoctisCommented:
you have to admit though, those "elderly" laserjets just refuse to die! Still running the basic LF4 myself :-)

Cheers!
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Jonj1611Author Commented:
Yeah, I have never had a more reliable beast of a printer, I have had it ages and it has never let me down, just keeps on ticking, even when I dropped it when moving it a few months ago!!
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eauctionbargainsCommented:
Faster memory should be fine, but if presence detect is not correct, then they wont work at all.

www.lasermemory.com
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