User's Manual

●wrong label feed
Black label paper
appear gray lines
●Print head dirty
●Rubber roller dirty
●clean print head
●clean rubber roller
Unstable printing
●Set printer under Hex Dump mode
●Set RS232 communication wrong
●Re-start printer, jump out of
dump mode
●re-set RS232
6. Printer simple maintenance
For this simple maintenance program to ensure print quality, can prolong the
printer life, the following are some maintenance we suggest:
1. Please use the tools listed below to clean and maintain your printer:
●Cotton swab
●Cotton cloth
●Dust cleaner or air-brusher
●100% alcohol(industrial alcohol)
2. Cleaning and maintenance procedures:
Cleaning parts
steps
Suggested cleaning
frequency
Print head
1.Please turn off printer
2.cool print head at least
one minute
3. Use cotton swab to wipe
print head surface with
100% alcohol
When replace a new label
paper roll.