User's Manual

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5.5.2 Beeper and light alarm function
When the paper still remains after the printing finished, the printer can detect the
data via opt coupler and remind the current status with beeper and light alarm.
Currently only printers with beeper and light alarm function can support this
function, other types of printers can't.
This function is no need manually set.
VI. Cash Drawer Interface
Cash drawer interface adopt RJ-11 standard, 6 lines socket and it outputs DC
24V/1A. Insert the RJ-11 socket to the corresponding interface which could through
the printer to open the cash drawer.
Pin function of cash drawer interface is listed as below:
Pin Number
Signal
Flow
Direction
1
Empty
Empty
2
Electrical grounding
Output
3
Empty
Empty
4
Driver Signal of Cash Drawer
Output
5
Empty
Empty
6
Empty
Empty
VII. Printer Maintenance
7.1 Print Head Maintenance
When the printer has following circumstances, the user should clean the print head:
(1) Printing is not clear;
(2) Some longitudinal columns on the printing page is vague;
(3) Loud noise when feeding.