Epson 3000 - Manuel (Page 253)

Timing chart
The figure below shows the timing chart for the parallel interface.
Transition time (both the rise and the fall) of every signal must be less
than 0.2
µ s.
Reverse channel
Transmission mode: IEEE 1284 Nibble Mode
Synchronization: Refer to the IEEE 1284 specification
Handshaking: Refer to the IEEE 1284 specification
Signal level: IEEE 1284 level 1 device
Data transmission timing Refer to the IEEE 1284 specification
Connector: 36-pin 57-30360 Amphenol connector or
equivalent
BUSY
ACKNLG
DATA
STROBE
0
µ
s (Min.)
0 µ s (Min.)
0.5 µ s (Min.)
5 µ s (Typ.)
a-3
D
R Loire-p Ref. Guide
Rev.c
A5 size Appendix D
02-24-97 DR, pass 0
Specifications D-15