DP550 User's Manual
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B.3.2 Tractor Paper
B.4 Interface Specification
This DP550 printer can be configured with 2.0 Full-Speed USB interface, Centronics (IEEE1284
NIBBLE) parallel interface, RS-232 serial interface or 10/100Base-T Ethernet interface. You can
connect the printer to computer according to your requirement.
B.4.1 Parallel Interface
Standard Centronics (IEEE1284 NIBBLE) parallel interface connector is DB-36 pin type connector.
Its pin numbers are as FigureB-3 shown.
The parallel interface has the following characteristics:
Data format:
8-bit
Synchronization:
STROBE pulse
Handshaking:
BUSY and ACKNLG signals
Signal level:
TTL compatible
Connector Pin Assignments
Signal Pin No.
Return Line Pin No.
Signal Name
Signal Direction
1 19
/STROBE
Printer
←
Host
2 ~ 9
20 ~ 27
DATA
Printer
←
Host
10 28 /ACK
Printer
→
Host
Figure B-2 the printable area of tractor paper
Printable area
Max 203.2mm
≥
13mm
≥
4.2mm
≥
13mm
Figure B-3 Parallel interface connector pin number
Summary of Contents for DP550
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