Epson LQ-570e, Service Manual

Page: 28 / 129

EPSON
LQ-570e/LQ-580
Revision
C
Product
Description
Interface
Specifications
28
*
In/Out shows the direction of signal flow from the printer’s point of view.
1.4.3
Optional Interface
Type-B
optional interface cards are available.
o
Market
ID=0
*1
o
Market
ID=1
11
PtrBusy/DataBit-
3,7
29 Out
Printer
busy signal and reverse channel
transfer
data bit 3 or 7.
12
AckDataReq/
DataBit-2,6
28 Out
Acknowledge
data request signal and
reverse
channel transfer data bit 2 or 6.
13
Xflag/
DataBit-1,5
28 Out
X-flag
signal and reverse channel transfer
data
bit 1 or 5.
14 HostBusy 30 In Host
busy signal.
31 -INIT 30 In Not
used.
32
-DataAvail/
DataBit-0,4
29 Out
Data
available signal and reverse channel
transfer
data bit 0 or 4.
36 1284-Active 30 In 1284
active signal.
18 Logic-H -- Out
This
line is pulled up to +5V through 3.9
k
Ω
resister.
35 +5V -- Out
This
line is pulled up tp +5V through 1.0
k
Ω resister.
17 Chassis -- -- Chassis
GND.
16,
33,
19-30
GND -- --
Signal
GND.
15,
34
NC -- -- Not
connected.
Table
1-23. Connector Pin Assignment and Signals
Pin
No.
Signal
Name
Return
GND
Pin
In/Out Function
Description
Table
1-24. Optional Interface (Market ID=0)
Reply
message
ESC/P IBM
2390 Plus
Main-Type
MT24p,
PW80c110cpi, PRG
(W0xxxx)rev,
AP300ma
MT24p,
PW80c110cpi, PRG
(W0xxxx)rev,
AP300ma
Product-Name LQ-580 LQ-580
Emulation-Type ESCPL2,
PRPXL24, BDC
ESCPL2,
PRPXL24, BDC
Entity
Type
EPSONLQ2 EPSONPRPXL24
Table
1-25. Optional Interface (Market ID=0)
Reply
message
ESC/P IBM
2390 Plus
Main-Type
MT24p,
PW80c110cpi, PRG
(W0xxxx)rev,
AP300ma
MT24p,
PW80c110cpi, PRG
(W0xxxx)rev,
AP300ma
Product-Name LQ-570e LQ-570e
Emulation-Type ESCPL2,
PRPXL24, BDC
ESCPL2,
PRPXL24, BDC
Entity
Type
EPSONLQ2 EPSONPRPXL24