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56
Parallel Interface (IEEE-1284)
Pin
No.
Source Compatibility
Mode
Nibble Mode Byte Mode
1 Host nStrobe HostClk HostClk
2 Host / Printer Data 0 (LSB) - Data 0 (LSB)
3
Host / Printer Data 1
-
Data 1
4 Host / Printer Data 2 - Data 2
5 Host / Printer Data 3 - Data 3
6 Host / Printer Data 4 - Data 4
7 Host / Printer Data 5 - Data 5
8 Host / Printer Data 6 - Data 6
9 Host / Printer Data 7 (MSB) - Data 7 (MSB)
10 Printer nAck PtrClk PtrClk
11 Printer Busy PtrBusy /Data3,7 PtrBusy
12 Printer Perror AckDataReq/Data2,6 AckDataReq
13 Printer Select Xflag /Data1,5 Xflag
14 Host nAutoFd HostBusy HostBusy
15 NC NC NC
16
GND
GND
GND
17 FG FG FG
18 Printer Logic-H Logic-H Logic-H
19~30
GND
GND
GND
31 Host nInit nInit nInit
32 Printer nFault nDataAvail /Data0,4 nDataAvail
33 GND ND ND
34 Printer DK_Status ND ND
35 Printer +5V ND ND
36 Host nSelectIn 1284-Active 1284-Active
USB Interface
Pin No. Si
g
nal Name Assi
g
nment (Color) Function
Shell Shield Drain Wire Frame Ground
1 VBUS Red Host Power
2 D- White Data Line(D-)
3 D+ Green Data Line(D+)
4 GND Black Signal Ground
57
Drawer Connector
Pin No. Signal name Direction
1 Frame ground -
2 Drawer kick- out drive signal 1 Output
3 Drawer open/close signal Input
4 +24V -
5 Drawer kick- out drive signal 2 Output
6 Signal ground -
C. Notes
Paper dust inside the printer may lower the print quality. In this
case clean the printer as follows.
1) Open the printer cover and remove the paper if exists.
2) Clean the print head with a cotton swab moistened with
alcohol solvent.
3) Clean the platen roller and paper end sensor with cotton
swab moistened with water.
4) Insert a paper roll and close the printer cover.
The remained amount of paper detected by paper near end
sensor varies with the diameter of the paper core.
To adjust the remained amount, contact your dealer.