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Black rectangular HP 761 maintenance cartridge CH649A in sealed packaging

HP

HP 761 Maintenance Cartridge CH649A Black Single Pack ink cartridges (genuine brands)

SKU CH-CQ6P-1GY60 MPN CH649A

Genuine HP 761 maintenance cartridge CH649A keeps the Designjet T7100 and T7200 series running smoothly

  • Cartridges includedSingle Pack
  • Ink or toner colorBlack
  • Ink or cartridge typeDye-based
  • Operating humidity range40 to 55% RH
  • Storage humidity range8 to 90% RH
  • Operating temperature range68 to 77ºF
  • Keeps your DesignJet running smoothly with the genuine HP 761 maintenance cartridge
  • Single-pack CH649A replaces the used unit quickly and easily
  • Dye-based ink formulation works with HP printheads for low-maintenance operation
  • Operates reliably from 68 to 77ºF and 40 to 55% RH
  • Stores safely between -40 and 140ºF and 8 to 90% RH

Purpose & Audience

The HP 761 Maintenance Cartridge CH649A is a genuine HP supply designed for the Designjet T7100 and T7200 series printers. It collects excess ink during routine printhead servicing to keep the printing system clean and operational. This single black pack is intended for operators who need a direct replacement when the printer signals that the maintenance unit is full.

Thermals, Noise & Power

The cartridge itself has no moving parts, draws no power and produces no audible noise during printer operation. It functions passively within the printer's specified environment of 68 to 77ºF and 40 to 55% relative humidity. Proper storage between -40 and 140ºF and 8 to 90% humidity preserves the absorber material until installation is required.

Bundled Extras & Software Impact

The package contains only the maintenance cartridge; no additional hardware, ink tanks or software media are included. Replacing the unit is a user-performed task prompted by the printer's own supply alerts, requiring no firmware updates or driver changes. The swap restores the printer's ability to run cleaning cycles without interruption.

How it compares

Measured against everything we stock in OEM Ink Cartridges, at today’s prices. Recalculated every night.

Price $111.99
Pricier than about 72% of the 1,504 comparable items (median $60.99).

Specifications

Product
Brand nameHP
Product lineHP 761
Part numberCH649A
Ink or toner colorBlack
Size & build
Shipping weight1.36 kg
Package size277 × 241 × 61 mm
Compatibility
Replacement forHP
For use withDesignjet T7100
In the box
Cartridges includedSingle Pack
Environment & compliance
Operating humidity range40 to 55% RH
Storage humidity range8 to 90% RH
Operating temperature range68 to 77ºF
Storage temperature range-40 to 140ºF
More details
Ink or cartridge typeDye-based

Questions about this item

How is the HP 761 maintenance cartridge CH649A installed in the Designjet T7100, and what step is often missed?

Open the printer's maintenance cover, slide the used cartridge out, insert the new CH649A until it clicks, then close the cover; the step often missed is waiting for the printer to recognise the new cartridge before resuming print jobs.

What replacement will the HP 761 maintenance cartridge CH649A need later, and when?

The cartridge itself is the replaceable unit; replace it when the printer displays a maintenance-cartridge-full alert, which occurs after a set volume of ink has been collected during printhead servicing.

What limit appears first on the HP 761 maintenance cartridge CH649A during sustained printing?

The cartridge's ink-absorption capacity is the first limit reached; once saturated, the printer halts operation until the CH649A is swapped for a fresh unit.

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