Wiring Data - Epson FX Series Product Support

WIRING DATA
2.2 FX-85/185
Connector CN1-FX85/185
Use: Data exchange between host computer and the Printer.
TABLE 2-1 PIN ASSIGNMENT OF CN1 (FXMB Circuit Board)
PmlWIntMfae*
Wltti ttMM tigRal^
uMtwistad-patrca'
b4« tnd connaci "fU-
tuffl-to LOGIC 6N0.
Not*: Th« •tgntla
Mfhich ara aetiva at
-LOW-waindicMad
byabarabova.
Signal
PfatNo.
10
12
13
Ratum
PbiNa
10
20
21
22
23
24
28
26
27
2S
29
30
Slgnai
0ATA1
2
3
4
6
«
7
8
ACKNLG
BUSY
PE
SLCT
Tranamlttar
HoatComputar
HoatComputar
Pnntar
Printar
Prinlar
Oaacflption
STROBE pulaa for ratd>in of data,
pulsa wridth muai ba moia than
0.6 un at racatvlng larmintl.
Tha signal laval ia normally HIGH;
raad-in of data la parformad at
tha LOW laval of thia atgnal.
Thaaa algnala rapratant informa
tion of tha 1at to Sth bita of paral-
lal data raapactlvaty- Each aignal
ia at HIGH laval whan data ta logi
cal 1 and LOW whan logical 0.
LOW aignal indicataa that data
haa baan racaivad and that tha
printar la raady to accapt othar
data.
Approx. 12f«pulaa.
A HIGH signal indicataa that tba
printar cannot racaiva data.
A LOW signal indtcaiaa that tha
printar can racaiva data.
Tha atgnal bacomaa KK3Hin tha
fotloMringeasaa;
1. During data antiy
2. During printing oparation and
part of haad carrtar oparation
3. During part of papar faad
4. Ounng pnntsr arror status
5. In OFF-LINE suta
A HIGHsignal indieataa that tha
printar is out of papar.
Putlad up to '»5V through 3.3 IlO
rasiatanca
2-2
EPSON PRINTERS
TABLE 2-1 (cont.)
Signal
Pin No.
Ratum
Pin No.
Signal
Transmlttar
Daacription
14
AUfb
FEEDXT
Host Computar
With this signal baing at LOW la-
val tha papar is automatically fad
ona Una aftar printing.
16 NC Notuaad.
16 GNO
LOGIC GND laval.
17 FG Printar FRAME GNa
18 NC Notuaad.
19 - 30 GND TWISTED-PAIR RETURN signal
GND laval.
31
iNff
Hoat Computar
Whan tha laval of thia signal ba
comaa LOW, tha print buffar ma-
mory ia claarad. Tha pulaa width
must ba moi* than 60 ^ at tha
racatving taimlnaL
32
^RttbR
Printar
Tha laval of thia aignal bacomaa
LOW. Whan tha printar ia In tha
arror autua:
1. PAPER END sttta (cancatlad
byESCS)
2. Abnormal motor oparatlon
3. OFF-LINE auta
33 GND Twistad pair ratum laval at groundL
34 NC NotuaadL
36 «6V Printar Pullad up t04^6V thraogh 3.3 kO
rasistanca
36
SLCTtN HoatComputar With thia aignal baing at LOW la
val. tha printar ia aalactad.
NOTISs
1. "Ratum" danotaa "TWISTEDPAIRRETURN" and la to ba connaetad at aignal ground laval.
2. AH Intaifaca conditiona ara basad on TTL lavaL Both tha tiaa and fall tlmaa of aach aignal muat
ba laas than 0.2pB.
3. Data transfar muat not ba carriad out by igi oring tha ACKNLG or BUSY signal. Whan data
titnafar ia mada in an ERRORatata. tha pnnting and procaaaing of tha data is not guarantaad.