Oki OKIPAGE24DX Maintenance Manual page 133

9
Message cannot be received through the serial interface.
• Is message ERROR HOST I/F displayed ?
• Yes
• No
• FLOW CONTROL • PARITY
• BAUD RATE
• DATA BITS
• No
• Yes
• No
• Yes
• Yes
• No
• Is LOOP TEST
ERROR
• No
• Is the printer recovered ?
• No
• Yes
Connection method
40930701TH DRAFT Vesion
Set the RS 232C I/F ENABLE in "HOST I/F" items of Menu 1.
• No Set the RS 232C I/F to "ENABLE".
Do the following items selected for RS232C SERIAL in menu level 2 coincide
with those selected at the host side ?
• MIN. BUSY
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.
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.)
displayed ?
Replace the serial interface cable.
• 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
2 TD
3RD
4RTS
5CTS
8 NOT USED
11 SSD
6 DSR
20 DTR
Test connector connecting drawing
DB25S
152 /