Supported Main Command And Sending Timing; Sending Bdc-St Character Strings Via Dbin-Register; Type-B Level 3 Packet Mode; Supported Channel - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C

SUPPORTED MAIN COMMAND AND SENDING TIMING

Table 1-51. 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 DBIN-
register. 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, Option Card needs to correspond
to Type-B Level 3 ("D4" character string need to be added to Option Type
character string). If Option Card that is non-Type B Level 3
correspondence is inserted, Type-B sends error.

Supported Channel

Assigning Service and Channel applies the chart below.
Table 1-52. Supported Channel
Socket
Service Use
ID
1284.4CTRL 00h 1284.4
control
EPSON-MIB 04h SNMP/MIB
setting
EPSON-TRAP 05h SNMP/
Trap
notification
EPSON DATA 40h
Send print
(Include Out of
data
Band)
Revision C
Max Data
Initiator Credit
Size
— 64byte 1 (Limited Mode)
I/F Card 556byte 1 (Limited Mode)
Printer 556byte 1 (Limited Mode)
— 32kbyte Depends on
(1 Packet) received buffer
(Unlimited Mode)
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