Interface Specifications; Figure 1-7. Data Transmission Timing - Epson STYLUS PRO XL 4004677 Service Manual

Product Description

1.3 INTERFACE SPECIFICATIONS

The Stylus Pro XL is standard-equipped with an 8-bit parallel and serial interface.
1.3.1 Parallel Interface Specifications
Data format:
Synchronization:
Handshaking:
Signal level:
Adaptable connector:
Data transmission timing:
BUSY
ACKNLG
DATA
STROBE
Note:
Transition time (rise time and fall time) of every input signal must be less than 0.2 s.
The Busy signal is active (HIGH) under the following conditions:
During data reception (See Figure 1-7.)
When the input buffer is full
When the INIT input signal is active
During initialization
When the ERROR or PE signal is active
During the self-test mode
During the demonstration mode
During the default setting mode
When a fatal error occurs
The ERROR signal is active (LOW) under the following conditions:
When a paper-out error occurs
When a no ink cartridge error occurs
When a fatal error occurs
The PE signal is active (HIGH) under the following conditions:
When a paper-out error occurs
When a fatal error occurs
1-10
8-bit parallel
By STROBE pulse synchronization
By BUSY and ACKNLG signals
TTL compatible level
36-pin 57-30360 (Amphenol) or equivalent
See Figure 1-7.

Figure 1-7. Data Transmission Timing

0 µsec
(minimum)
0.5 µsec (minimum)
0.5 µsec (minimum)
0.5 µsec (minimum)
Stylus Pro XL
0 µsec (minimum)
5 µsec (typical)
Rev.A