Can't find my manual for canon p23-dh iii. where on the calculator, and how, do you remove the old ink to insert new one?

Use CP 13 ink roller 2pk or larger. You just pull out the old one and pop the new one in its place. If you look under product description on the web page it lists your P23 dh III.

Is this brand lasting longer than the Porelon brand?

This is a quality product but I don't use the calculator enough to be able to determine how long it lasts compared to another brand

Will this ink work on a canon p23-dh ii?

Yes it should work in that model

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Compumatic Calculator Ink Roller IR40T CP13 EA772R, Black/Red, 2-Pack

Product ID: 52685993

Details

Brand
COMPUMATIC
Calculator Type
Printing
Color
Black/Red
Model Name
IR-40T CP13
Power Source
Solar Powered

⏳Long shelf life sealed packs

🔄Wide multi-brand compatibility

🖨️Precision OEM-quality print

NT$430

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖨️ Ink that means business—never miss a print, never miss a beat.

DUAL COLOR IMPACT - Black and red ink for clear, professional printouts that stand out in every calculation.
READY WHEN YOU ARE - Individually blister-sealed cartridges ensure fresh ink and long shelf life—no last-minute scrambles.
ECO SMART SOLAR POWER - Designed for solar-powered calculators, blending efficiency with sustainability.
OEM GRADE PRINT QUALITY - Engineered to deliver crisp, dark prints that keep your numbers sharp and reliable.
EFFORTLESS MULTI BRAND FIT - Seamlessly compatible with Sharp, Casio, Canon, Victor & more—one cartridge to rule them all.

The Compumatic IR40T CP13 2-pack ink rollers deliver OEM-level black/red printing performance compatible with a broad range of popular printing calculators from Sharp, Casio, Canon, Victor, and more. Each cartridge is individually sealed for extended shelf life, ensuring crisp, reliable prints every time. Perfect for professionals who demand precision and dependability in their office tools.

Specifications

ASIN	B011AR2B4Y
Best Sellers Rank	#24,954 in Office Products ( See Top 100 in Office Products ) #16 in Printing Calculators
Brand	COMPUMATIC
Calculator Type	Printing
Color	Black/Red
Compatible Devices	[Canon P23-DH V, P23-DHV-3, P27-DH, MP-12 D, MP-120 DH, MP-120 DL, MP-120 DLE, P 120 DH, P 121 DH, P 15 D, P 160 DH, P 170 DH, P 170 DH-3, P 180 DH, P 2 DH, P 200 DH, P 200 DH II, P 200 DH III, P 22 D, P 22 DX, P 220 DH, P 23 DE, P 23 DH, P 23 DH II, P 23 DH III, P23-DHV, P23-DHV-3, P 23 DHVG, P 26 DH, P 27 DH, P 32 D, Casio 1215 S, 2215, FR 110, FR 110 HT, FR 110 S, FR 1110, FR 120 C, FR 125, FR …
Customer Reviews	4.6 4.6 out of 5 stars (2,598)
Display Type	printer
Enclosure Material	Plastic
Item Highlight	Fits Canon P23-DH-V/P23-DHV-3/P27-DH, Casio HR-170RC/HR-200RC/HR-300RC, Sharp EL-1750V/EL-1801V, Catiga CP30A/CP90A, and more
Manufacturer	Compumatic
Mfr Part Number	CP-13
Model Name	IR-40T CP13
Model Number	IR40T
Number of Items	2
Number of Packs	2
Power Source	Solar Powered
Unit Count	2 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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