9Message cannot be received through the serial interface.

Is message

ERROR HOST I/F

displayed ?

• Yes Set the RS 232C I/F ENABLE in "HOST I/F" items of Menu 1.

• No Set the RS 232C I/F to "ENABLE".

• No Do the following items selected for RS232C SERIAL in menu level 2 coincide with those selected at the host side ?

• FLOW CONTROL

• PARITY

• BAUD RATE

• MIN. BUSY

• DATA BITS

 

• No If the selection differs between the printer and the host, change the setting of the above items in menu level 2 so as to coincide with the setting at the host side.

• Yes

• No

• Yes

• Yes

• No

Is the connector of the serial interface cable connected to the printer properly ?

Connect the connector printer properly.

Is there any defect in the serial interface cable(broken or bent pin, broken wire) ?

Replace the serial interface cable.

Perform the loop back test using the loop test function in the system mainte- nance mode. (To make this test, it is necessary to form the following loop back connector. Connect the loop back connector to port instead of connecting the host.)

• Is

LOOP TEST ERROR

displayed ?

• No Replace the serial interface cable.

• Is the printer recovered ?

• No

• Yes

YES END

Replace the Main board.

Replace the Main board or ask the user to check the hardware and software at the host side.

loop back connector

Serial interface cable

2TD 3RD 4RTS 5CTS

8NOT USED

11SSD

6DSR

20 DTR

DB25S

Connection method

Test connector connecting drawing

40930701TH DRAFT Vesion

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Oki 24DX manual Message cannot be received through the serial interface, 152