13
single-click of “FEED” button, after 3 times, it will print out “*** Completed ***”, and
exit hexadecimal printing mode.
2.8 Parameter Setting
There are two ways to set printer parameters:
1. Use the setting tool on the PC side for setting.
2. Set by the button, the specific operation method is as follows.
When printer power is off, open paper case cover firstly. Hold the
【
FEED
】
button, then
switch on the printer and release the
【
FEED
】
when the status indicator and paper-out
indicator flash alternately. Then press the
【
FEED
】
twice and close the paper cover,
printer enter the setting mode and print out the first set parameter and its default
value. The details method of setting parameter can refer to Appendix A.
Steps for exiting of parameter setup:
Open paper case cover and press the
【
FEED
】
button; then close paper case cover
and release the
【
FEED
】
button. The printer will save the setup of parameters, exit
setting mode and enter the normal working mode.
The data will not be saved if turn off the printer directly.
Note
：
SP-POS891USd/SP-POS891Udn not support button settings .
2.9 Enter the program upgrade mode
When printer is power off,open paper case cover. Hold the
【
FEED
】
button, then
switch on the printer and release the
【
FEED
】
when the status indicator and paper-out
indicator flash alternately. Then press the
【
FEED
】
for five times ( RS232 and USB
interface support, Ethernet adopts the web page mode to upgrade directly) and close
the paper cover, printer enter the program upgrade mode. At this time, the status
indicator flash once a second.