Epson TM-T88IV Technical Reference Manual page 29

2.2.2.2 DIP switch settings for other interface specifications
The following DIP switch functions are for parallel interface/USB/Ethernet model printers.
Note:
* Factory setting
Table 2-6 Parallel/USB/Ethernet DIP switch bank 1
SW Function
1-1 Automatic line feed
1-2 Receive buffer size
1-3 Select paper sensors to output paper-end signals.
(Command default setting value.)
Error signal output
1-4
1-5 ~ Not defined
1-8 (Always use printer with these switches set to OFF.)
Table 2-7 Parallel/USB/Ethernet DIP switch bank 2
SW Function
2-1 Handshake (BUSY conditions)
2-2 Reserved (do not change setting)
2-3, 2-4 Print density selection/low-power mode
2-5 Conditions for canceling receive buffer BUSY state
2-6, 2-7 Reserved (do not change setting)
2-8 Pin #31reset signal (do not change setting)
DIP SW2-1: For details on the BUSY condition, also refer to "Busy State" (page 3-11).
Table 2-8 Selection of print density
Print density
Print density Low-power mode ON
Print density
Rev. A
Switch no.
2-3 2-4
ON
Normal* OFF OFF
Medium ON OFF
Dark OFF ON
TM-T88IV Technical Reference Guide
ON
Enabled at all times
45 bytes
Disabled
Disabled
—
ON OFF
• Receive buffer full •
•
Fixed to OFF
(See separate table.)
Releases BUSY when Releases BUSY when
remaining receive remaining receive
buffer capacity buffer capacity reaches
reaches 138 bytes. 256 bytes.
Fixed to OFF
Fixed to ON
OFF
Disabled at all times *
4KB *
Roll Paper end sensor
enabled, Roll Paper
nearend sensor
enabled
Enabled
— *
Offline *
Receive buffer full
Setup 2-5