7
position. If paper jam, open the paper storage cover, and take out the paper. If the
cutter can not be back to the original position, open the cover of it, and turn the
white plastic gear by the direction suggestive on the cutter by hand to make the
cutter be back to the original position.
If cutter jam, but hope no loss of data in printer, can’t turn off the power. It has to get
the cutter back to the original position by the above mentioned method by hand.
Then open the paper storage cover and take out the paper, close the paper storage
cover. The printer will recover automatically from Cutting Error.
2.3 Interface
2.3.1 Serial Interface
The serial interface of SP-POS88VI printer is compatible with RS-232C, supports
DTR/DSR and XON/XOFF handshaking protocols, uses DB25 socket (female). The
pin order of the serial port is as Fig.2-2 shows:
Fig.2-2 Pin Order of Serial Port
The pin assignment of serial interface is shown in Fig. 2-3:
Pin
No.
Signal
Name
Signal
Direction
Source
Description
1
FG
——
——
Cover ground
2
TXD
Output
Printer
Printer transmits control code
X-ON/X-OFF and data to host
3
RXD
Input
Host
Printer receives data from host
4
RTS
Output
Printer
The same with 20pins DTR signal
6
DSR
Input
Host
Signal “MARK” means the host is
busy and can not receive
data.Signal “SPACE” means the
