BTP-R990 User’s Manual
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3 Appearance and components
3.1 Appearance and components
1—tear off bar
2—top cover
3—cover open lever
4—feed button
5—error LED
6—power LED
7—power switch
8—bottom cover
9—middle cover
10—power interface
11—cash drawer interface
12—USB interface
13—interface board
14—roller on top cover 15—thermal print head
16—2ST paper sensor
17—paper guide
18—paper near end lever
19—paper near end sensor
20—cutter sliding blade 21—paper cabinet
22—black mark sensor
23—cutter fixed blade
24—thermal print head 25—roller on the base 26—paper end sensor
27—thumb wheel for adjusting paper guide
28—last ticket sensor
Component function:
a. Power
LED
Indicate printer power status (ON/OFF).
b. Error
LED
Indicate printer status. Under normal conditions, ERROR LED is always off. Under error conditions
(e.g. print head lift up, voltage abnormal, print head overheating, cutter error, can not find mark,
etc.), ERROR LED will flash.
c. Feed
button
Feed
paper:
Printer will feed paper when the FEED BUTTON is pressed down under normal condition. Printer
will feed long length paper if keeps pressing down the button.
Print self-test page:
