How to change ink roller on Sharp Calculator EL-1611H

There are some ideas in the link. Check that the ink roller hasn't become dislodged and is dragging on the paper. Also check that there is no torn paper in the gap between paper and roller that has soaked up ink like a wick..

https://www.google.com/search?q=Sharp+calculator+EL-1801V+smears+ink+on+paper

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GO TO WWW.SHARPUSA.COM/SUPPORT

Ink roller: Type EA-772R
WARNING: APPLYING INK TO WORN INK ROLLER OR USE OF
UNAPPROVED INK ROLLER MAY CAUSE SERIOUS DAMAGE TO PRINTER.
1) Set the power switch to OFF.
2) Remove the printer cover. (Fig. 1)
3) Hold the top of the ink roller and remove the roller by pulling
it toward you and then upward. (Fig. 2)
4) Install the new ink roller in the correct position. Make sure
that the roller is securely in place. (Fig. 3)
5) Put back the printer cover.

Yes you can. That type of calculator has two separate ink rollers, one black & one red. They are easy to remove by putting your finger around the little ink roller & sliding it out towards you, the new one will lightly click into place. You can buy the sharp brand of ink rollers or a generic brand that will fit your calculator.

Hi mkline519,

The new ink roller types are EA-781R-BK (Black) and, EA-781R-RD (Red).

To change the ink rollers.
1). Set the power switch to off.
2). Remove the printer cover. The little paper guard or, flap on top.
3). Remove ink rollers by turning each one counterclockwise and, pulling upwards. With the calculator facing you. Red is on the left and, black is on the right.
4). Install the new ink rollers in there correct position's. Simply press them in one at a time and, make sure they are secure.
5).Put the print cover back on.

If calculator prints blurry, the rollers may not be not secure. If you have any questions about this calculator simply post a comment and, I'll respond quickly.

Part# IR40T

http://www.gorillapaper.com/ink-roller-ir40t-b-r.html

Thanks

You need the IR40T Ink Roller

part# IR40T

EL-1750PIII http://www.gorillapaper.com/ink-roller-ir40t-b-r.html

This diagram should help you with replacing the ink roller.

It uses SHARP Ink roller Type EA-772R.
You may find compatible ink rollers with different other references from other makers.
If you want to download the operation manual for your digital printer calculator, click here:
http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000003765.pdf