Problems And Solutions - Epson LQ-670 User Manual

3. Open a softw are p rogram and send a print job to the p rinter.
You r printer prints all the cod es it receives in hexad ecim al
form at.
By com paring the characters p rinted in the right colu m n
w ith the p rintou t of the hexad ecim al cod es, you can check
the cod es being received by the printer. If characters are
printable, they app ear in the right colum n as ASCII
characters. N onprintable cod es, su ch as control cod es, are
represented by d ots.
4. To tu rn off hex d u m p m od e, p ress the PAUSE bu tton, eject
the printed page(s), and then turn off the printer.

Problems and Solutions

This section d ivid es p rinter p roblem s into fou r categories:
Pow er sup ply . . . . p age 7-7
Paper hand ling . . . p age 7-8
Op eration . . . . . . p age 7-16
Printout . . . . . . . p age 7-18
See the section for the type of p roblem you have and look for
the d escrip tion of you r problem . The m ost likely cau ses and
solutions are listed first, so try the solu tions in the ord er in
w hich they app ear.
7-6
Troubleshooting