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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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HP 5190 flatbed scanner service info
does anyone have any service info for this scanner - schematics -
HP 5190 flatbed scanner service info - goes by model 5100cse it has 3 voltages from power supply - all of which are ~10% low - 5v = 4.5v 12v - 10.8v 24v = 22.1v when powered on scan light flashes once. when connected to computer - WinXP - nothing is recognized. tried reloading s/w & drivers - but computer doesn't see connection no new hardware found message. no imaging device in hardware manager. was working - just stopped. seems like parallel port busy line is active. all other ports appear to have correct logic level at idle. xtal oscillators appear to be running uses a Motorola 6811 processor. I have disconnected and reconnected all connectors and one plug in IC thanks for your help |
#2
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HP 5190 flatbed scanner service info
wrote in message ... when powered on scan light flashes once. when connected to computer - WinXP - nothing is recognized. Does WinXP support parallel port scanning? |
#3
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HP 5190 flatbed scanner service info
I guess it must,
"it was working, just stopped" On Sat, 03 Mar 2007 20:47:03 GMT, "Homer J Simpson" wrote: wrote in message .. . when powered on scan light flashes once. when connected to computer - WinXP - nothing is recognized. Does WinXP support parallel port scanning? |
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