Hints and help
In this section, find answers to commonly asked questions and 
suggestions for getting the most out of your HP LaserJet 3100 
product. See chapter 9, “Troubleshooting and Maintenance,” for a 
more complete list of common scan quality and usage problems and 
solutions.
What if...
I want to use more than one of the HP LaserJet 3100 product 
functions at the same time? This product is specifically designed to 
allow you to do many tasks simultaneously, such as print while 
sending a fax. 
Jobs will also queue to wait until another job has finished. For 
example, if a fax is being received while you are printing, the fax will 
be stored into memory and then print automatically after the print job 
finishes. Or, if an incoming fax is being printed, you can start sending 
an outgoing fax. The outgoing fax will be stored in memory and will 
start transmitting when the phone line is free. Only in rare instances 
will the HP LaserJet 3100 product run out of memory and cancel one 
job so it can complete another.
See “Simultaneous tasking features” in appendix A for a complete list 
of which features can be used at the same time.
Scanning is slow even when using Text mode? You may need to 
change the parallel port mode. See chapter 9, “Troubleshooting and 
Maintenance.”
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