I need a replacement ink roller for a SHARP ELSI MATE EL-1611h. Can you help?

SOURCE: SETTING TAX RATE

On your Sharp press
CA
C.CE
C.CE
RATE SET(+TAX Key)
175(No decimals for they are not taken into consideration)
RATE SET(+TAX Key)

To check if all went well press
CA
C.CE
C.CE
RATE RECALL(-TAX Key)
It should read your tax rate.

SOURCE: How to change ink roller

1) Turn the power off.
2) Remove the printer cover.
3) Remove the ink roller by turning it counterclockwise and
pulling it upward.
4) Install the new ink roller and press it in the correct position.
Make sure that the ink roller is securely in place.
5) Put back the printer cover.

SOURCE: I have a Sharp elsi mate EL-1611P and I am trying

Push as many buttons at the same time as possible. Throw the calculator on the floor. That should do it.

SOURCE: Need new ink roller for Sharp EL-1801PIII. Do you

You need the IR40T Ink Roller

SOURCE: HOW DO SET TAX RATE

Easy. Press M- key [has RATE SET] above it. This will shown your current setting say 17.5. Amend to 20.0 and Press M- key again. Rate should now be set at 20%.
Test by entering:
100 and pressing +TAX key - Answer should be 20.
100 and pressing -TAX Key - Answer should be 83.33