T-40 User’s Manual
13
The following diameter of core shaft of paper roll supported by the printer are as following: OD
of 16.2mm core shaft and OD of 20.8 mm core shaft; adjust the paper near end sensor to adjust
the application method and paper near end alarm function for core shaft with different outer
diameters. There are four positions indicated by the scale marks for paper near end alarm, and
users can rotate the paper near end adjustment spanner to make the indication line locate at
different position, which change the paper near end alarm functions under different application
conditions. The position 1 and 2 are for the application that output paper from the top, position
1 is for 16.2 mm core shaft of paper roll and position 2 is for 20.8 mm core shaft of paper roll.
The position 3 and 4 are for the application that output paper from the front, position 3 is for
20.8 mm core shaft of paper roll and position 4 is for 16.2 mm core shaft of paper roll.
Fig. 4.5-3 core shaft of paper roll
4.6 Power-on and self-test
4.6.1 Power-on
1) Ensure that the printer is connected to power;
2) Turn on the power switch to power on the printer.
4.6.2 Print self-test page
1) Ensure that the printer is connected to power, and that paper roll is installed;
2) Ensure that the power LED is off and the printer is under power-off condition.
3) Press the feed button while turning on the printer power, and then release the button. The
printer will print out configuration information and prompt characters “Press and Release
FEED key to print characters” and “Press and Hold FEED key to config the printer”. Then
the printer enters pause status, and the error LED flashes;