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Help...Computer re-booting when printing
Message
From
15/01/1999 16:40:53
 
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Miscellaneous
Thread ID:
00176268
Message ID:
00176722
Views:
30
>>Marcus,
>>
>>Keep trying other printer drivers till you find one that works. When you do let me know because one of my clients is having problems too. Although his computer spools the whole printjob but nothing ever comes out of the printer. The ready light blinks for a while and throws an error on the printer display. And the faithful and trusty LJIII driver is giving port access errors on the stupid 6p with his computer.
>>
>>>I have a user on the VFP3b release of my software. They print a report once, then go to print again and it re-boots their computer. We re-installed Windows to a new directory, but it still happens. This is a standalone system (Dell v350) on Windows 98 with a laserjet 6p using the laserjet 4 driver from the Windows disc. Any ideas out there? Your response is greatly appreciated. I use REPORT FORM... PROMPT to print reports. TIA.
>
>I sent a tech down to this office to check it out, and he found the solution. Apparently they had several device plugged into a UPS, which was plugged into the wall. It seems that printing required just enough extra power to reset the power somewhere. I suspect the UPS is resetting. We unplugged everything but the one computer and printer, and everything worked great! I don't know too much about electrical systems, but it sounds to me they have a bad UPS. Anyway, thought I would share this with you. It certainly isn't something I would have thought of.
>

A typical laser printer can draw upwards of a KW (1000W) for brief periods of time - it's never advisable to connect a laser printer to a UPS, espcially with other devices. If you're going to connect a laser to any kind of power protector beyond a simple surge suppressor, consider using a CVT (Constant Voltage Transformer), aka Line Conditioner, to protect against brownouts - if even a small laser is up and active on a battery, even a 2KVA unit, you're likely to damage the battery.

>Marcus.
EMail: EdR@edrauh.com
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