Epson FX-2190 Service Manual

EPSON FX-890/2190 Revision B
PRODUCT DESCRIPTIONS Interface 26
Note : In/Out refers to the direction of signal flow from the printer’s point of view.
1.2.3 USB Interface
 Specifications
 Standard: Based on
“Universal Serial Bus Specifications
Revision 1.1”
“Universal Serial Bus Device Class
Definition for Printing Devices Version 1.1”
 Bit rate : 12 Mbps (Full Speed Device)
 Data encording : NRZI
 Adaptable connector : USB Series B
 Recommended cable length : 2 meters
 Connector pin assignment and signals :
Figure 1-8. USB Interface connector pin assignment
Table 1-27. Connector pin assignment (Reverse channel)
Pin No. Signal Name
Return
GND
Pin
IN/
Out*
Function description
1 HostClk 19 In Host clock signal.
2 DATA1 20 In Parallel input data to the printer. bit 0: LSB
3 DATA2 21 In bit 1
4 DATA3 22 In bit 2
5 DATA4 23 In bit 3
6 DATA5 24 In bit 4
7 DATA6 25 In bit 5
8 DATA7 26 In bit 6
9 DATA8 27 In bit 7: MSB
10 PtrClk 28 Out Printer clock signal.
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 +5 V through 3.9 kΩ
resistor.
35 +5 V - Out
This line is pulled up to +5 V through 1.0 kΩ
resistor.
17 Chassis - - Chassis GND.
16, 33
19-30
GND - - Signal GND.
15, 34 NC - - Not connected.
Table 1-28. Connector pin assignment
Pin No. Signal name In/Out Function description
1VCC -
Cable power. Maximum power consumption is
100mA
2 -Data Bi-directional Data
3 +Data Bi-directional Data, pull up to +3.3V via 1.5K Ω resistor
4 Ground - Cable ground
Pin #2
Pin #4
Pin #3
Pin #1

Epson FX-2190 Specifications

General

Maximum print size	A3 (297 x 420 mm)
Color	No
Character pitch	10 cpi
Maximum resolution	240 x 144 DPI
Maximum printing width (columns)	136
Print technology	Dot matrix
Dimensions (WxDxH)	589 x 360 x 157 mm
Standard interfaces	Parallel, USB 1.1
Optional connectivity	Ethernet
Country of origin	Indonesia
Sound pressure level (printing)	55 dB
Mean time between failures (MTBF)	20000 h
Sustainability certificates	ENERGY STAR
Windows operating systems supported	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Power consumption (typical)	53 W
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	10 - 80 %
Pallet width	1200 mm
Pallet height	1000 mm
Pallet length (UK)	2040 mm
Quantity per pallet	14 pc(s)
Quantity per pallet (UK)	21 pc(s)
Quantity per pallet layer	2 pc(s)
Quantity per pallet layer (UK)	3 pc(s)
Package depth	700 mm
Package width	460 mm
Package height	270 mm
Package weight	11740 g
Quantity per pack	1 pc(s)