Compart VLINE-80 - Troubleshooting Common Issues; Printer Not Responding; LED and Beeper Error Indicators; Printing Quality & Paper Feed Issues

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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 not light, printer not
working
Printer No power
Connecting the power supply
Printer not on
Turn on the printer
Circuit board broken
Contact with the dealer
6.2 LED Indicator On The Control Panel and Beeper Alarm
Problem description
Probable reason
Solution
Paper LED always on
Paper near end
The roll paper is near end, the printer
can work normally
Error LED always on and beeper alarms
Printer Cover open
Close the printer cover
Paper Error LED always on and beeper
alarms
Paper end
Reload the roll paper
Error LED blinks and beeper alarms
Thermal print head
overheated
Turn the printer off and resume when
it cools
overvoltage
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
Reinstall the roll paper
Blurred printing or spot
Incorrect roll paper installation
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 Jam
Paper strike
Open the printer cover, check the
paper path and remove jammed
paper
Vertical print words
missing
Dirty thermal head or print
roller
Clean the thermal head or print
roller
Thermal head damaged
Contact your dealer for assistance