Citizen Systems CBM-253 - Manual (Page 36)

CBM-253 User’s Manual
24 CITIZEN
4. 8 Self-printing
A self-printing function is built in to this printer in order that the printing functions may be checked by the printer
itself. The following procedure should be used to operate this function:
1. Set the printing paper in the printer.
2. Switch off the power switch.
3. Close the printer cover and then switch the power switch to ON while pressing down the LF switch. Stop
pressing the LF switch after confirming that the self -printing has started.
The printing will be started by the above operation, and the printer will change back to the normal mode after
completion of the fixed line printing.
4.9 Hexadecimal dumping function
Using this function, it is possible to check the contents of data sent from the host unit by convening the data to
hexadecimal code. The data transmission with the host unit can be monitored by monitoring the transmission
conditions. The following procedure should be used to operate this function:
1. Set the printing paper in the printer.
2. Switch off the power switch.
3. With the printer cover left open, switch the power switch to ON while pressing down the LF switch. By
closing the printer cover, the printer will change to the hexadecimal dumping mode.
After carrying out the above operation. the printer will wait to receive the data.
To exit from this mode, switch off the printer power.