HPRT TP808 - Troubleshooting; Printer Not Working; LED Indicator and Beeper; Troubles Occur During Printing

TP808 User Manual
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6 TROUBLESHOOTING
Your printer is very reliable, but occasionally problems may occur. This chapter provides information
on some common problems you may encounter and how to solve them. If you encounter problems
that you can not resolve, contact your dealer for assistance.
6.1 Printer Not Working
Problem Description
Probable Reason
Solution
LED does not light, printer is not
working
Printer has no power
Connect printer to the power supply
Printer is not on
Turn on the printer
Circuit board is broken
Contact with the dealer
6.2 LED Indicator and Beeper
Problem Description
Probable Reason
Solution
Paper LED is always on
Paper near end
The roll paper is near end, the
printer can work normally
Error LED is always on and beeper alarms
Printer cover is open
Close the printer cover
Paper LED and Error LED are always on
and beeper alarms
Paper end
Reload the roll paper
Error LED blinks and beeper alarms
Thermal print head is
overheated
Turn the printer off and resume
when it cools
Over-voltage
Print with specified voltage
Low-voltage
Print with specified voltage
6.3 Troubles Occur During Printing
Problem Description
Probable Reason
Solution
Coloured stripe in the paper
Paper near end
Reload the roll paper
Blurred printing or spot
Incorrect roll paper loading
Check if the roll paper is installed
Unqualified roll paper
Use recommended thermal roll paper
Dirty thermal head or print
roller
Clean the thermal head or print roller
Low print density
Increase the print density level
Paper is not feeding normally
Paper jam
Open the printer cover, check the paper
path and remove jammed paper
Vertical print words are
missing
Dirty thermal head or print
roller
Clean the thermal head or print roller
Thermal head is damaged
Contact with your dealer for assistance
Note: Regarding the density of setting, please refer to "Utility Tool Manual".