Oki C 9400 - Manual (Page 435)

1. Press MENU repeatedly until PARALLEL MENU appears on the display.
2. Press ITEM (+ or -) repeatedly until ECP appears on the display.
3. Press VALUE + to change the setting (DISABLE/ENABLE toggle back and forth on the
display).
4. Press SELECT to engage the setting. An asterisk will appear next to the new setting.
5. Press ON LINE to save the setting and exit the printer menu.
Pin Assignments
Parallel Interface Pin Assignments: Compatible Mode
Pin Signal Name Direction Compatible
1 Data Strobe to printer nStrobe
2-9 Data Bit n to printer Data 1 (LSB) to 8
(MSB)
10 Acknowledge from printer nAck
11 Busy from printer Busy
12 Paper End from printer Perror
13 Select from printer Select
14 Auto Feed to printer nAutoFd
15 [not used] — —
16 0V — Logic Ground
17 Chassis Ground — Chassis Ground
18 +5V from printer Peripheral Logic High
19 0V — Chassis Ground
20-27 0V — Signal Ground
(nStrobe)
28 0V — Signal Ground (Data
1-8)
29 0V — Signal Ground (Perror,
Select, nAck)
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