Oki Microline 3321 Maintenance Manual

42089201TH Rev.4 118 /
Oki Data CONFIDENTIAL
Ready/Busy
Received one
character?
Yes
Is DSR valid?
No
Buffer overflow?
Error?
Parity error
No error
Store the received
character in buffer.
Is the
printer in DESELECT
state or is the paper
low?
No
No
Yes
Yes
No
DSR High?
Yes
Store 40 H in buffer.
Yes
Yes
No
Yes
Is remaining
buffer space < 256?
Yes
No
Turn on the SSD signal.
Turn off the SSD signal.
Printer busy?
No
Output one character from the
buffer to printer.
No
Yes
No
Has 200 ms or
1s elapsed after SSD was
turned on?
Is remaining
buffer space > 256 during
receive time out?
2.3 Communication Procedure Flowchart
2.3.1 Mode a
Figure B-2-2

Oki Microline 3321 Specifications

General

Brand	Oki
Model	Microline 3321
Category	Printer
Language	English