Service manual

SRP-150
Rev. 1.02
- 35 -
Figure 4-3-4-2 RS-232C Communication Waveform
4-3-5 Parallel Communication Block Diagram
The printer support the bidirectional Parallel Interface with Centronics, Nibble, Byte Mode.
The Centronics is Forward and the Nibble, Byte are reverse Mode.
Figure 4-3-5 IEEE1284 Communication Block Diagram
UPD70F738