CANON GI-45 · MAGENTA PIGMENT INK
Keep magenta ready for the next document.
Canon GI-45M is a 40 ml magenta pigment-ink refill for MAXIFY GX1040 and GX2040 printers. It replenishes the matching magenta tank within the printer’s four-colour system, with a clearly defined bottle identity and yield basis to check before a refill.

THE COLOUR YOU NEED
A magenta refill for the matching tank.
This listing supplies one magenta GI-45M ink bottle. Canon identifies the ink as pigment based. Match both GI-45 and the M colour designation to the printer’s ink record; this is a refill bottle rather than a replaceable printhead cartridge or a complete colour set.
EXACT PRINTER MATCH
Two MAXIFY models, one clear compatibility check.
The manufacturer lists MAXIFY GX1040 and MAXIFY GX2040 for this ink. Both original printer references are retained. Check the full model and bottle number before ordering; a similar MAXIFY name or a different regional ink number is not sufficient to establish interchangeability.
YIELD WITH ITS CONDITIONS
Understand what the page figure measures.
Canon quotes up to 3,000 colour pages using a full set of colour inks, rising to 4,500 in economy mode with reduced print density. The estimate uses Canon’s test method, the ISO/IEC 24712 colour chart and simulated continuous printing with replacement bottles after initial setup. Your documents and usage can change the result considerably.
A CONTROLLED REFILL
Match the colour. Watch the fill line.
Follow the printer’s refill instructions for the magenta tank. Align and insert the bottle carefully, support it during filling and remove it when the ink reaches the upper limit line. Canon advises against shaking the bottle or leaving it inserted in the tank; close the cap and keep the bottle upright when storing it.
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