Epson TM-T20III Technical Reference Manual page 43

Recovery conditions from receive buffer BUSY
• Releases the BUSY state when the remaining receive buffer capacity reaches 256 bytes (default setting)
• Releases the BUSY state when the remaining capacity of the receive buffer reaches 138 bytes.
Receive buffer capacity
• 4 KB (default setting)
• 45 bytes
Condition for BUSY
• Receive buffer full/Offline (default setting)
• Receive buffer full
• In either case above, the printer enters the BUSY state after power is turned on, and when a self-
test is being run.
• If BUSY condition is set to "Receive buffer full, " the printer will not become BUSY
∗ When the roll paper cover is open
∗ When paper is fed by the FEED button
∗ When printing has stopped for a paper out
∗ When macro execution ready state
∗ When error has occurred
Near-end detection
• Disabled (default setting)
• Enabled
Print density
Selectable from levels 1 to 7 (Light to Dark)
Default setting: Level 4
Depending on the paper type, it is recommended to set the print density as shown in the table below for the best
print quality.
Original Paper type
AF50KS-E
KT55FA
KT48FA
F5041(48)
F5041(55)
When the print density level is increased, print speed may be reduced.
Density
Level 4
Level 5
Chapter 3 Advanced Usage
43