VI. Cash Drawer Interface
Cash drawer interface adopt RJ-11 standard, 6 lines socket and the output of it is
DC 12V/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 No. Signal Instruction
1
GND
Power ground
2
5
DK1
Cash box 1# cathode
3
DK-1N
Open detection
4
PWR
Power supply/cash box anode
6
GND
Power ground
VII. Printer Maintenance
7.1 Print head maintenance
When the printer has following circumstances 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.
Procedure of maintaining the print head is listed below:
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