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3 Products for the Samsung ER-4940 POS Printer
You Are Here: >  Top >  Samsung >  "ER" - POS Printer >  ER-4940


Samsung ER4940 POS Black Ribbon 6Pack

Price:  $8.89
Product Description
6Pack of Black POS Ribbon Cartridges for Samsung ER4940 Point of Sale Receipt Printer

This product comes with a 6 month Warranty against any defects (including free replacement). We stand behind our products 100%, as these are not manufactured by Samsung.

Product Manuals
How to Replace a Paper Roll in the Samsung ER-4940
The roll of paper used to print receipts in the Samsung ER4915 will eventually need replacement, with or without warning. Try to get any stored data printed before replacing the paper roll as unprinted date may be lost otherwise.

Remember that the ink cartridge and stamp must be in place when installing a ribbon so if they need replenishment as well it is best to take care of them first. Removing the printer cover and setting it aside will reveal the consumable compartment of the Samsung ER4915 which contains the paper roll, ink ribbon, and logo stamp.

Old paper rolls can simply be pulled out of the machine and discarded but new rolls must be installed with the proper finesse or it will not feed correctly. As stated earlier, make sure that all other consumables are installed before restocking the paper supply and prepare the new roll by tearing off the end.

You do not need to cut the end or tear it particularly straight because you will need to pull it out about a foot and fold the end over about 6 inches to make it easier to feed through the machine. Be sure that, when you drop the roll down into its position, the paper is being fed off the BOTTOM of the roll, towards the ink ribbon and print head.

Manually feed the paper through its slot and press the RECIEPT FEED button as necessary to provide additional slack. When you replace the printer cover, make sure that the paper feeds through the slot in the cover and feeds out the back of the printer. If the paper feeds without restriction, tear off the excess paper.
How to Replace an Ink Ribbon Cartridge in the Samsung ER-4940
You may choose to use either purple or black ink cartridges with the Samsung ER4915, though old cartridges do not store well once opened so it is best to stick with one color at a time.

Remove the printer cover as you would when replacing a roll of receipt paper to access the ink cartridge. To remove it, you must press down on it to unhinge it from its position in the print head. Press on the serrated part of the cartridge on its left and the small tab near the tightening knob for best results and pull the cartridge towards you. Once unlatched, pull the cartridge out of the machine and recycle it.

Prepare a new ink cartridge by removing it from its packaging and tightening the ribbon knob in the direction indicated by the arrow. Insert the cartridge into position just as the old one was, being sure not to snag the ribbon on anything upon insertion. The ribbon should not be twisted, creased, or damaged in any way.

Push the cartridge firmly into its slot and, once again, turn the tightening knob to make sure that there is no slack in the ribbon itself and that it moves freely in the machine. If it does, reinstall the printer cover and paper roll if needed and commence printing.
Samsung ER4940 POS Purple Ribbon 6Pack

Price:  $17.89
Samsung ER-4940 Purple POS Ribbon Cartridge - 3,000,000 Characters

Price:  $8.89

Samsung ER4940 Review


The Samsung ER4940 is an electronic cash register that has come to be of so much benefit to many businesses all over the world. Running a businesses especially when you run a retail shop where the buying and selling of goods and services are always on the high, it is best to consider getting yourself a Samsung ER4940 cash register to help you through the process of running your business and to also make sure you get the right profits from your business. The Samsung ER4940 is used for several purposes in a business which includes department programming, tax programming, and many more and all these go a long way to make sure you are 100% safe. Investing in the Samsung ER4940 is never a mistake because; it will be for your own good if you have it.


The Samsung ER4940 comes with 7 keylock positions with 5 keys. Each ECR is shipped with two full sets of keys. The 7 keylock positions include VOID, OFF, REG, X, Z, and P.
Samsung ER4940 keys Include ‘REG’ - travel from ‘OFF’ to ‘REG’, VOID’ - travel from ‘X’ to ‘VOID’, ‘Z’ - travel from ‘Z’ to ‘VOID’, ‘P’ - travel from ‘P’ to ‘VOID’, and ‘C’ - travel to all key positions. However; keys are removable from the ‘OFF’ and ‘REG’ positions.
The Samsung ER4940’s 90 position keyboard is comes with standard fifteen departments. This means, every company no matter how large or small you are can make very good use of the Samsung ER4940.
The Samsung ER4940 can be initialized (Initial Cleared) at any time. The Initial Clear procedure may be used to clear keyboard lock-ups and constant error conditions. An Initial Clear will not affect register programming or clear previously stored totals from memory. However, an Initial Clear will cause balancing discrepancies if performed in the middle of a transaction. This means you must be very careful when operating the Samsung ER4940.
The Service mode (S-Mode) position is at “6 o’clock” on the keylock. It is not labeled, and can be accessed only by the “C” key.
Due to the fact that, when aspects like tax goes wrong in a company it brings trouble, the Samsung ER4940 can be used to correct that. When tax requirements need to be met using a straight percentage, using the following method to program a tax as a straight percentage will work ‘Straight percentage tax programming requires a seven-digit entry (labeled N1 - N7 below)”, this assigns the rate as well as a two digit option code defining the tax as add-on, inclusive (VAT), and/or Canadian GST type tax. The rate is designated as 1, 2, or 3 using the appropriate shift key”.
With the Samsung ER4940, Tax Rate 3 programming does not apply to registers programmed “SHIFT “ for Food Stamp operations.


Using the Samsung ER4940 can be quite difficult especially if you do not have some technical knowledge about cash registers.
An Initial Clear will not affect register programming or clear previously stored totals from memory. However, an Initial Clear will cause balancing discrepancies if performed in the middle of a transaction.

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