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Black plastic cylindrical core adapter with three-inch diameter, HP branding visible

HP

HP CN538A 3-in Core Adapter scanner supply

SKU CH-5AA2-H3PPB MPN CN538A

A 3-inch core adapter compatible with multiple HP DesignJet large-format printers and multifunction devices

  • Product categoryPrinting Supplies
  • Product categoryCore Adapter
  • Compatible withHP Designjet HD Pro MFP (L3S82A) HP Designjet SD Pro MFP (L3
  • Product weight0.7
  • Key featuresExtra roll adapters makes changing paper types faster and si
  • Faster media changes with extra roll adapters
  • Wide compatibility across DesignJet T790, T920, T1200, T1300, T1500, T2300, T2500 series
  • Lightweight .7 kg construction simplifies handling and installation
  • Genuine HP part CN538A ensures reliable fit and performance
  • Supports 24-in, 36-in and 44-in printer widths for versatile workflows

3-in Core Adapter function

The HP CN538A is a three-inch core adapter designed for compatible HP DesignJet printers. It enables the use of media rolls with a three-inch core diameter on supported large-format devices. The adapter weighs 0.7 units and is supplied new. It simplifies media handling for high-volume printing environments.

Suited for multi-roll workflows

This adapter suits operators who frequently switch between different paper types or roll sizes on listed DesignJet models. It reduces changeover time by allowing quick roll swaps. Buyers whose printers only accept two-inch cores or who do not need to alternate media types will not benefit from this accessory.

Three-inch core compatibility

The single specification that determines fit is the three-inch core diameter this adapter accepts. Only printers explicitly listed in the compatibility data — including T790, T920, T1200, T1300, T1500, T2300 and T2500 series — can use this part. Verify the exact model number before ordering.

How it compares

Measured against everything we stock in Print & Scan Accessories, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 94% of the 5,855 comparable items (median $91.99).

Specifications

Product
Brand nameHP
Model nameCN538A
Part numberCN538A
Product categoryPrinting Supplies
Size & build
Shipping weight0.91 kg
Package size254 × 203 × 152 mm

Questions about this item

Does the CN538A core adapter itself wear out and need periodic replacement?

The adapter is a passive mechanical part with no consumable elements, so it does not require scheduled replacement under normal use.

What physical limit appears first when the adapter is used continuously on a 44-in roll?

The adapter supports the roll weight specified for each compatible DesignJet model; the printer's maximum roll weight is the limiting factor, not the adapter.

Does the CN538A generate any noise, heat or additional power draw when the printer runs all day?

The adapter has no motor or electronics, so it adds no noise, heat or power consumption during extended operation.

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