Oki Microline 3321 Maintenance Manual

42089201TH Rev.4 24 /
Oki Data CONFIDENTIAL
Note: From the illustration above, you can see that the command and the command response are output at the same time. This is because
the bit 0 to bit 3 of OPRXD are fixed so that the response can be returned before decoding the command.
OPTXD OPCLK OPRXD OPCLR-N
1232
31
6
7
5
or 8
bit0 bit7
Command (first)
Command (second)
Command response (first)
Command response (second)
Note
bit0 bit7
Reset within BU5148S
Power ON
Write instruction for LSI
reset
LSI write for LED data,
etc.
Read instruction for
data read
Response check
for OK or NG
Error notification
Instruction for
retransmission
1 2 3 4
7 8
5 6
NO
YES

Oki Microline 3321 Specifications

General

Brand	Oki
Model	Microline 3321
Category	Printer
Language	English