jam.
When any error shown above occurs,pin “nFault” of parallel change
to “0” level,and send 1 bit wrong code through serial TXD by itself,it can
also send out the printer state by answer the ESC v command.
Red indicator of “Paper Out ” is the paper out indicatoe.When there
is no paper in printer head,it will light,and it is off under normal status.
2.5 Self-test
The self-test will check the condition of printer, if the printer prints
out the self-test receipt correctly, it means the printer works
normally,except interface with host.Otherwise it needs to repair. The
self-test will print out 96 ANK characters,defalut code page,name of
Chinese Characrer library, interface setting and software version.
Way of self-test:hold down
【
FEED
】
button and turn on the power,
self-test begins automatically at this moment.
2.6 Hexadecimal Printing
Turn on the printer according to the step below,it will enter the mode
of Hexadecimal Printing
1.Open the cover
；
2.Hold down
【
FEED
】
button
，
and connect with power
；
3.Close the cover,the printer will print out 3 lines as below:
Hexadecimal Dump
To terminate hexadecimal dump,
Press FEED button three times.
This means the printer has entered hexadecimal printing mode,and
under this mode,all of the input will be printed out as hexadecimal
number,feed one line with single-click of “FEED” button,after 3 times,it
will print out
“
*** Completed ***
”
,and exit hexadecimal printing
mode.
