2.4 Buttons and Indicators
There is one button and three indicators on POS88
Ⅴ
printer.
【
FEED
】
is paper feeding button, the function of its enabling or
disabling the button on/off can be set by print command, when the
button is enabled, press
【
FEED
】
button, then the paper
presenting driver starts up and paper fed into the printer; release
【
FEED
】
button, paper feeding stops. The green POWER light is
the power indicator, red ERROR light is status indicator, it is dark
when the printer works normally, while it flashes when reporting an
abnormal emergency, as the following form shows:
Error
Indicator and Buzzer
Status
Description
Paper ending
“ERROR” indicator
flashes
Paper is running out
Print head
uplift
Buzzer rings
Put down print head
Print head
overheat
Hurried buzzer ring
Recovers automatically
when the print head
cools.
Auto cutter
Position Error
Buzzer rings and
indicator blinks
Impossible to recover,
check if there is paper
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 indicator. 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, default code page,
name of Chinese Character library, interface setting and software
version.
Way of self-test: hold down
【
FEED
】
button and turn on the
