AON BUSINESS PR-250 Manual De Usuario página 29

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.
2.8 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
and close the paper cover, printer enter the program upgrade mode. At this
time, the status indicator flash once a second.
Quick enter method:
Open the paper case cover firstly when printer is power off. Hold the 【FEED】
button and switch on the printer, then release the 【FEED】 button quickly, then
printer enter the program upgrade mode. At this time, the status indicator flash
once a second.
Appendix A
This appendix is the method to set the printer parameter according to button
operation.
Setting introduction: Press 【Paper cover】 button to choose setting, when press
it once , the set become the next one and it will print the present set value; use
【FEED】button to set the set value, when press it once , the set become the
next one and it will print the present set value.
General Setting:
Print speed
11