Built for small offices, law firms, schools and home workers across Kenya, the HP 903 Black Ink Cartridge fits the OfficeJet Pro 6950, 6960, 6970 and 6975. Accountants printing KRA eTIMS invoices and advocates filing documents at Milimani Law Courts need text that stays readable after a highlighter pass. Pigment black sits on top of plain paper instead of soaking in, so letters stay crisp and resist smudging. Refilled and counterfeit cartridges often trigger "cartridge problem" errors on these printers, wasting a morning. A genuine HP 903 Black Ink Cartridge removes that risk.

Unlike other electronics retailers in Kenya that sell ink from open shelves, Mascom International keeps every HP 903 Black Ink Cartridge sealed until you open it. You can inspect the HP hologram label and the box date before paying. At Mascom International, we're seeing more OfficeJet Pro owners return to genuine ink after one bad refill clogged their printhead. Customers across Nairobi, Nakuru and Kisumu report steady output from the first page to the last. Walk in to Kimathi Street, or order for pay-on-arrival delivery anywhere in Kenya.

The HP 903 Black Ink Cartridge fits the HP OfficeJet Pro 6950, 6960, 6970 and 6975 all-in-one printers sold in Europe, the Middle East and Africa. Check the model name printed above the control panel before ordering. If your printer came from the United States, it probably takes the HP 902 instead. The 902 and 903 look almost identical but carry different regional codes, so a US printer will reject a 903. Send us a photo on WhatsApp and we will confirm the match in minutes.

HP rates the cartridge at about 300 pages using the ISO/IEC 24711 test, which assumes 5% ink coverage per page. A typical one-page letter with a logo and sign-off block uses roughly that amount. Dense spreadsheets, bold tables and scanned copies use more, so expect 180 to 250 pages for heavy documents. A small office printing 15 pages a day will need a new cartridge every three to four weeks. Printing in draft mode for internal drafts stretches every millilitre further.

At KSh 3,600 for 300 pages, each page costs about KSh 12 in black ink. That is higher per page than the HP 903XL, which prints about 825 pages, but the entry price is lower. The standard cartridge suits offices printing fewer than 200 pages a month. It also suits anyone who wants a spare on the shelf without tying up cash. For heavier volumes, ask us for current 903XL pricing and compare the cost per page directly.

HP prints a date on every ink box, and on OfficeJet Pro cartridges it usually marks the install-by or end-of-warranty point. Sealed pigment ink stored away from heat normally prints well for months after that date. Some printers display an expiry notice that you can acknowledge and continue printing. Our team checks the date with you before you pay, so there are no surprises. If a recent date matters for your office, tell us and we will confirm current stock.

Genuine cartridges carry an HP chip that the OfficeJet Pro 6970 family reads to track ink levels. HP firmware updates have blocked many cloned chips, leaving offices with printers that refuse to print. The HP 903 Black Ink Cartridge talks to the printer correctly, so ink level readings stay accurate and warnings appear on time. That means fewer surprise stoppages during month-end printing. It also protects the separate printhead inside the printer, which costs far more to replace than one cartridge.

Keep the cartridge sealed in its box, upright, in a cool drawer away from direct sunlight. Offices along Kenya's coastal strip in Mombasa and Diani should avoid storing ink near windows or hot storerooms. Heat above 40 degrees can thicken pigment ink and cause streaks. Once opened, install the cartridge immediately rather than leaving it on a desk. Do not touch the copper contacts or ink outlet, since skin oils and dust can block the connection.

It suits small businesses, schools, churches, clinics and home offices already running an OfficeJet Pro 6950, 6960 or 6970. Real estate agents printing lease agreements in Kilimani and teachers printing exam papers are typical buyers. If you print mostly text in black, this is the cartridge that runs out first. Buying the black on its own lets you replace only what you use. Colour cartridges are separate, so you never pay for cyan when only black is empty.

Nairobi orders placed before mid-afternoon usually arrive the same day, and you pay only when the cartridge reaches you. Most other towns receive their order the next business day. Office managers often order two cartridges at once so the printer never sits idle during a busy week. If you are nearby in the CBD, you can collect it from our first-floor store on Kimathi Street within minutes. Full delivery timelines for every county appear at the end of this page.

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Each cartridge is covered by the 6-month warranty above, with claims handled at our Nairobi CBD service desk.

Offices, schools and home workers across Kenya rely on Mascom International for genuine HP supplies, honest box dates and after-sales help from a store they can visit.