TI -5019 说明手册

2

5019ENG.DOC   TI-5019 Guidebook, English   Robin Hunt-Smith
Revised: 06/23/00 10:00 AM   Printed: 06/23/00 10:00 AM   Page 2
of 6

1. Press 

N

.

2. Remove the printer compartment

cover.

3. Remove the ink roller from the right

side of the compartment. Insert your
thumb, nail down, under the tab on
top of the ink roller. Gently lift the
ink roller out of the compartment.

4. Lower the new ink roller into the

compartment and align the ink roller
with the hole in the compartment. Press down until it snaps into place.

5. Replace the compartment cover.

 Never refill or moisten the old ink roller. This can damage the

printing mechanism and void the warranty.

!

Advances the paper.

F

Prints a reference number or date without affecting calculations.

H

First press displays and prints the value in memory; second press
clears the memory.

I

Subtracts the displayed value from memory. If a multiplication or
division operation is pending, 

I

 completes it and subtracts the

result from memory.

J

Adds the displayed value to memory. If a multiplication or division
operation is pending, 

J

 completes it and adds the result to memory.

K

Pressed once, clears an entry. Pressed twice, clears an overflow.

"

Turns the printer on and off.

#

Selects the rounding mode. See “Rounding.”

$

Selects the decimal mode. See “Using Decimals.”

%

Removes the last digit entered in the display.

D

Changes the sign (

 or

) of the displayed number.

E

Calculates the selling price and profit or loss amount on an item.

B

Interprets the number in the display as a percentage.