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Five black cylindrical ink rollers in a row

SuppliesMax

SuppliesMax IR-40B Black Ink Rollers 5 Pack

SKU CH-WZ2S-3B3XC MPN SKPIR-40B

Black ink rollers for Seiko IR-40B and compatible Casio, Aurora, BMC and B&E calculators, five per pack

  • Compatible withSeiko IR-40B
  • Product colorBlack
  • Pack quantity5 Pack
  • DetailsOur compatible toner, inkjet cartridges, ribbons, copier and
  • Key featuresOur compatible toner, inkjet cartridges, ribbons, copier and
  • Compatible with dozens of Seiko, Casio and Aurora printers
  • Five-pack reduces reorder frequency for high-volume printing
  • Black ink rollers produce sharp receipts and invoices
  • Built to OEM specifications for reliable drop-in replacement
  • Premium materials ensure consistent ink retention and output quality

Compatible Ink Rollers for Seiko IR-40B

This five-pack of black ink rollers replaces the Seiko IR-40B cartridge used in many desktop printing calculators and cash registers. Office staff, retail cashiers and small-business owners can keep a spare supply on hand for uninterrupted receipt and journal printing. The rollers are built to match original equipment specifications for reliable daily use.

Premium Materials and Broad Machine Fit

Premium components deliver sharp, professional output with excellent ink retention that reduces replacement frequency. The pack fits a wide range of models from Aurora, B&E, BMC International, Casio and other brands listed in the compatibility data, so one stock item covers multiple devices at a counter or back office.

Direct Drop-In Replacement for OEM Rollers

These rollers upgrade from worn or dried-out original cartridges without any modification to the printer. The jump is worth it when print quality fades, characters skip or the roller seizes, restoring clear text for receipts, invoices and high-volume transaction logs.

How it compares

Measured against everything we stock in Ribbon Cartridges for Printers, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 90% of the 1,003 comparable items (median $17.99).

New to this? Buying a printer and toner with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSuppliesMAX
Part numberSKPIR-40B
Product colorBlack
Compatibility
Compatible withSeiko IR-40B
In the box
Pack quantity5 Pack

Questions about this item

Which printer models accept the IR-40B ink roller?

The roller fits Seiko M31, M42, M42-III and M45, plus Aurora, Casio, B&E and BMC machines listed such as Casio HR-100, HR-150 and FR-1215.

What physical size does the roller have to match the original cartridge?

The IR-40B form factor is identical to the OEM Seiko IR-40B cartridge so it drops straight into the ribbon bay of every compatible model.

How do I install the roller and what step is often missed?

Open the printer cover, pull out the spent roller, insert the new IR-40B until it clicks, then advance the paper a few lines to prime the ink.

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