Epson Stylus Color 1520 Service Manual

EPSON Stylus COLOR 1520
Rev. A
1-1
8
1.3.2 Mac Serial Interface
1.3.2.1 Serial Interface Specifications
 Standard :RS-423 compliance
 Synchronization :Synchronous
 Bit rate :Approximately 900 Kbps, 1.8 Mbps
 Word format :Start bit 1 bit
:Data bit 8 bit
:Parity bit No parity bit
:Stop bit 1 bit
 Handshaking :X-ON/XOFF, DTR protocol
 Adaptable connector :8-pin mini circular connector
 Recommended I/F cable :Apple System Peripheral-8 cable
Pin No. Signal Name I/O Function Description
1 SCLK O Synchronous clock
2 CTS I Clear to send
3 TxD- O Transmit data -
4 S.G. I Signal Ground
5 RxD- I Receive data -
6 TxD+ O Balanced Transmit +
7 DTR O Data terminal ready
8 RxD+ I Balanced Receive +
State Buffer space X-ON/X-OFF DTR
Busy Less than 1024 bytes Send X-OFF code Off
Ready More than 2048 bytes Send X-ON code On
Table 1-19. Connector Pin Assignment for Serial Interface
1
2
34
5
6
7
8
Figure 1-9.
Serial Interface Connector Pin Assignment
Table 1-20. X-ON/X-OFF, DTR Protocol

Epson Stylus Color 1520 Specifications

General

Color	Yes
Maximum resolution	600 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)	- ppm
Maximum input capacity	100 sheets
Envelopes sizes	10, C5, DL
Standard media sizes	4\
Paper tray media types	Envelopes, Labels, Plain paper
Non-ISO print media sizes	Legal
ISO A-series sizes (A0...A9)	A4
ISO B-series sizes (B0...B9)	B5
Power requirements	120V AC, 50/60 Hz
Printing noise level	45 dB
Maximum operating temperature range (T-T)	-20 - 60 °C
Market positioning	Home & office