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Office & Industrial

Canon Genuine 128 Black Toner Cartridge Compatible with MF4450, MF4770n, MF4570 Series, MF4800 Series, D530, D550, L100, L190

Office & Industrial4.6· 445 Amazon ratings

Bias-adjusted across 445 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Office & Industrial.

88.4%
Percentile · Global
80.9%
Percentile · Cohort
Office & Industrial
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Canon Genuine 128 Black Toner Cartridge Compatible with MF4450, MF4770n, MF4570 Series, MF4800 Series, D530, D550, L100, L190

How the score was built

Amazon ratings
445

used for the Bayesian percentile

Raw star average
4.6 / 5

unadjusted Amazon mean

Bayesian avg
4.54

raw rating shrunk to the category prior

Reviewer-graph z
0.866

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Office & Industrial

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