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CS331 CX331 Toner Cartridge 4-Pack | Replacement for 20N10K0, 20N10C0, 20N10M0, 20N10Y0 | Compatible with Lexmark CS331, CS431, CX331, CX431 Printers (BK/C/M/Y)

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Rated4.5(7 ratings)In stock

Good price

$221.43 is 7% below the $238.40 it normally sells for.

Now
$221.43
Normally
$238.40
Lowest in 144 days
$211.91(Oct 6)
Highest
$299.99
Evidence: Strong144 days tracked50 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $221.43. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $245.99 −10%

Against its normal price

−7% vs $238.40

Typical $245.99 (−10%) holds up: today's price is 7% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 144 days · 50 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 7% below its normal price of $238.40. CS331 CX331 Toner Cartridge 4-Pack price history, checked Nov 14, 2026: current price $221.43, normal (typical) price $238.40, average $261.91 over 144 days, lowest $211.91 (Oct 6, 2026), highest $299.99 (Jul 26, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $238.40
  • 5% or more below normal

How often does it drop below normal?

In the 144 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 4 times, typically lasting about 2 days. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Electronics

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0FJC7KW4T
Request
curl https://trackpin.co/api/v1/product/B0FJC7KW4T \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 01:30 UTC
{
  "asin": "B0FJC7KW4T",
  "title": "CS331 CX331 Toner Cartridge 4-Pack | Replacement for 20N10K0, 20N10C0, 20N10M0, 20N10Y0 | Compatible with Lexmark CS331, CS431, CX331, CX431 Printers (BK/C/M/Y)",
  "image": "https://m.media-amazon.com/images/I/71qgCe2gmtL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "CE",
  "category_label": "Electronics",
  "in_stock": true,
  "price": {
    "current_cents": 22143,
    "reference_cents": 23840,
    "discount_pct": 7.12,
    "is_deal": true,
    "observed_at": 1794617987595,
    "changed_at": 1794554369506,
    "checked_at": 1794617987595,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 7.12,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $221.43 is 7% below the $238.40 it normally sells for."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 24599,
    "claimed_pct": 10,
    "real_pct": 7.12,
    "class": "holds_up",
    "observed_at": 1794599805282
  },
  "stats": {
    "min_cents": 21191,
    "max_cents": 29999,
    "avg_cents": 26191,
    "history_days": 144,
    "price_levels": 256,
    "price_changes": 50,
    "distinct_prices": 13,
    "lowest_at": 1791313472306
  },
  "history": [
    {
      "price_cents": 28999,
      "from": 1793084315966,
      "to": 1793084465420
    },
    {
      "price_cents": 24398,
      "from": 1793087534443,
      "to": 1793150630711
    },
    {
      "price_cents": 22189,
      "from": 1793153123595,
      "to": 1793409005982
    },
    {
      "price_cents": 25123,
      "from": 1793416202861,
      "to": 1794549729680
    },
    {
      "price_cents": 22143,
      "from": 1794554369506,
      "to": 1794617987595
    }
  ],
  "last_seen": 1794617987595
}
// … 251 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.