Epson Stylus Pro 7400 Service Manual page 142

EPSON Stylus Pro 7400/7800/9400/9800
SUPPORTED MAIN COMMAND AND SENDING TIMING
Table 1-69. Supported Main Command and Sending Timing
Main command
Command name
number
01h Start Software Reset
04h Send Name Data
07h Inquire Software Emulation
Type
0Eh Inquire ASCII Message
14h Inquire Emergency Reply
15h Send Emergency Message
SENDING BDC-ST CHARACTER STRINGS VIA DBIN-REGISTER
When ST of Type-B I/F sets "ON" State-Reply, BDC-ST is sent through DBINregister.
When State Reply is started, "Start" and "End" of BDC-ST characters are announced
by sending the Main command (0Eh).
NOTE: The BDC-ST is only sent when Type-B Lv2 is used.
Product Description
Sending timing
• Init signal on the std. parallel
• Type B I/F Option command: 01h
• Panel Reset
• Cold start
Type B I/F Option command: 05h
Changing Software Emulation type
Writing to DBIN-register
Reply for Emergency command
Receive Emergency command
Interface
TYPE-B LEVEL 3 PACKET MODE
Communication between Type-B I/F card and Printer corresponds to Type-B Level 3
(Packet Mode) Communication Specification. (IEEE P1284.4 (Draft 1.50) compliant)
Packet Mode Shifting
To shift to Type-B Level 3 Packet Mode, a Type-B Level 3-compliant card must
have been installed ("D4" character must be added to Option Type character
string). An error occurs if the card is not compatible with Type B Level 3.
Supported Channel
Assigning Service and Channel applies the chart below.
Table 1-70. Supported Channel
Service Socket ID Use
1284.4
1284.4CTRL 00h
control
SNMP/MIB
EPSON-MIB 04h
setting
SNMP/ Trap
EPSON-TRAP 05h
notification
EPSON-DATA
Send print
(Include Out of 40h
data
Band)
Revision B
Initiator Max Data Size Credit
--- 64byte 1 (Limited Mode)
I/F Card 556byte 1 (Limited Mode)
Printer 556byte 1 (Limited Mode)
Depends on received
32kbyte
--- buffer
(1Packet)
(Unlimited Mode)
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