20 appendix a troubleshooting enww – HP rp5700 Point of Sale System User Manual
Page 26
Problem
Possible Cause
Solution
Receipt is not cut.
Paper is jammed.
Open the receipt cover, inspect the
knife, and clear the jammed paper.
The knife is not enabled.
Enable the knife in the configuration
menu. Refer to
.
Print is light or spotty.
Paper roll is loaded incorrectly.
Check that the paper is loaded properly.
Thermal printhead is dirty.
Clean thermal printhead with rubbing
alcohol. Use the recommended thermal
receipt paper. Refer to
in this
guide for paper specifications and
recommendation.
NOTE:
If paper has been used which
is not on the recommend paper list,
resulting in a dirty printhead, the
printhead may require cleaning prior to
switching back to recommended paper.
See
for a list. If non-
recommended paper is used over an
extended period, attempting to clean
the printhead will have little effect on
print quality. Do not try to clean within
the printer except as indicated in
Maintenance Guidelines on page 16
Variations in paper.
Increase the print density in “Set
Hardware Options” of the printer
configuration menu to 110% or 120%
as needed.
Color print is light.
Variations in paper.
Increase energy level of printhead in
“Color Density Adj” of the printer
configuration menu.
Inconsistent printing, no two-color print.
Paper type used and paper type setting
do not match.
Print the diagnostic form and verify
setting paper type setting to type 0, 1,
4, or 5.
Vertical column of print is missing.
Printhead is defective or indicates a
serious condition with the printer
electronics.
Stop using the printer. Contact your
regional HP authorized service provider
for HP Point of Sale System products.
One side of the receipt is missing.
Printhead is defective or indicates a
serious condition with the printer
electronics.
Stop using the printer. Contact your
regional HP authorized service provider
for HP Point of Sale System products.
Printout has missing characters or
wrong characters.
Wrong type of serial cable is being
used.
You must use a null modem serial cable
for the printer to function properly.
20
Appendix A Troubleshooting
ENWW