Epson TM T88IV

iv
English
DIP Switch Tables
*1. Only when DIP Switches 1-7 and 1-8 are on, the
transmission speed can be selected from one of
seven speeds: 2400, 4800, 9600, 19200, 38400, 57600,
and 15200 bps. The default is 38400.
Specifications
Serial Interface (DIP switch 1)
SW Function ON OFF
1-1 Data receive error Ignored Prints “?”
1-2 Receive buffer
capacity
45 bytes 4K bytes
1-3 Handshaking XON/XOFF DTR/DSR
1-4 Data word length 7 bits 8 bits
1-5 Parity check Enabled Disabled
1-6 Parity selection Even Odd
1-7
1-8
Transmission speed (See table below.)
Transmission speed
Transmission speed (bps)-bits per second 1-7 1-8
38400 *1 ON ON
4800 OFF ON
9600 ON OFF
19200 OFF OFF
Serial Interface (DIP switch 2)
SW Function ON OFF
2-1 Handshaking
(BUSY condition)
Receive buffer
full
Offline or
Receive buffer
full
2-2 Do not change
2-3
2-4
Print density/
Low power
See Table A
2-5 Release condition
of receive buffer
BUSY (If receive
buffer capacity
set to 4 KB.)
Releases BUSY
when remaining
receive buffer
capacity
reaches
138 bytes.
Releases BUSY
when remaining
receive buffer
capacity
reaches
256 bytes.
2-6 Do not change
2-7 I/F pin 6 reset Enabled Disabled
2-8 I/F pin 25 reset Enabled Disabled
Parallel Interface (DIP switch 1)
SW Function ON OFF
1-1 Auto line feed Always
enabled
Always disabled
1-2 Receive buffer
capacity
45 bytes 4K bytes
1-3 Select paper
sensors to output
paper-end
signals (default
value of ESC C 3)
Disabled Roll Paper end
sensor enabled,
Roll Paper near-
end sensor
enabled
1-4 Error signal output Disabled Enabled
1-5~
1-8
Undefined
Parallel Interface (DIP switch 2)
SW Function ON OFF
2-1 Handshaking
(BUSY condition)
Receive buffer
full
Offline or
Receive buffer
full
2-2 Do not change
2-3
2-4
Print density/
Low power
See Table A
2-5 Release condition
of receive buffer
BUSY (If receive
buffer capacity
set to 4 KB.)
Releases BUSY
when remaining
receive buffer
capacity
reaches
138 bytes.
Releases BUSY
when remaining
receive buffer
capacity
reaches
256 bytes.
2-6
2-7
Do not change
2-8 I/F pin 31 reset (Do not change)
Table A
Print density/low power SW 2-3 SW 2-4
– Low power consumption mode ON ON
Print density “Normal” OFF OFF
Print density “Medium” ON OFF
Print density “Dark” OFF ON
Printing method Thermal line printing
Dot density 180 dpi ×180 dpi [dots per 25.4 mm {1"}]
Printing direction Unidirectional with friction feed
Printing width 80 mm paper width model: 72 mm {2.83"}, 512 dot positions
Characters per line
(default)
80 mm paper width model: Font A: 42; Font B: 56