CHAPTER 4 OPTIONS
CHAPTER 4 –3
If necessary, set the serial interface parameters as follow:
1. Make sure that the printer is in the off-line state.
2. Set the serial interface parameters by moving up (on) or down (off) the
selectors of the dual in-line package (DIP) switch.
ON
1 2 3 4 5 6 7 8
Fig. 4-2 Setting the Serial Interface Parameters
Table 1: Serial Interface Parameters Settings
Selector
Parameters
On (up)
Off (down)
1
Baud Rate
—
See Table 2. —
2
Baud Rate
—
See Table 2. —
3
Data Length
7 bits
8 bits
4
Stop Bit
2 bits
1 bit
5
Parity
—
See Table 3. —
6
Parity
—
See Table 3. —
7
Protocol
Xon/Xoff + DTR
DTR only
8
Robust Xon
On
Off
Table 2: Baud Rate Settings
Selector 1
Selector 2
For RS-422A
For RS-232C
Off
Off
57600
9600
On
Off
9600
4800
Off
On
1200
1200
On
On
19200
19200
Summary of Contents for HL-720
Page 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Page 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Page 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Page 61: ... Fig 3 18 2 4 1 1 1 ...
Page 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Page 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Page 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Page 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Page 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Page 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Page 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...
