HP 9307c Printer with parallel Port

Say, this printer has been working wonderfully until recently when we now get the error 'Document failed to print". It connects via a Serial Card which is in the PC. The PC is running Windows 7. Could a Windows Update have caused a driver issue? How can I debug this?
shaunwinginAsked:
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hdhondtConnect With a Mentor Commented:
Try changing the Port to LPT1, unless the card has multiple ports and you're using the 3rd.

Also, if you can, try the printer with another PC. That will tell you whether the problem is with the printer or the PC.
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Dan CraciunIT ConsultantCommented:
Use system restore to go back to a day when you know your printer was working.

If it still does not work, then the cause is probably hardware.

If it works, then install updates one by one until it stops working.

HTH,
Dan
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shaunwinginAuthor Commented:
Not the updates  - only been security updates. Say any other ideas on debugging?
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hdhondtCommented:
Parallel and Serial are completely different interfaces. Which one are you actually using? And which one is the PC using? Go to Printer Properties > Ports to check and, if necessary select the correct one.

If the printer uses a serial port, you will need to ensure the driver settings for the serial port are correct - things like baud rate, parity, etc. You can change them under the same tab.

If you are using the parallel port, you can change its settings (e.g. ECP/EPP) in the PCs BIOS. Entering the BIOS is done by pressing a key (often it's DEL) immediately after powering on the PC.
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nobusCommented:
>>  Not the updates  - only been security updates   <<  aha ... i have often seen updates doing things they were not intended for..
so a system restore can help...
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shaunwinginAuthor Commented:
!. Model of Printer is HP930C
2. parallel Port - but utiling PCI card with parallel port
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nobusCommented:
did you check if the printer is using the parallel LPT port?
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shaunwinginAuthor Commented:
No hardware was changed - just stopped working and yes using LPT3
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nobusConnect With a Mentor Commented:
you can also test printer + card on another pc
i assume you have no errors in device manager ?
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shaunwinginAuthor Commented:
The Printer works - seems its the card... in device manager shows working fine... ?
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hdhondtCommented:
In that case, try another parallel port card - they're pretty cheap these days.
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