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Cylindrical metal spindle with black end caps, 36 inches long

HP

HP B3Q36A DesignJet T120 T520 24in Spindle

SKU CH-K1TV-CG9Z2 MPN B3Q36A

Replacement spindle holds 24-inch media rolls for HP DesignJet T120 and T520 printers

  • Product SortPrinter Accessories
  • Product TypeReplacement Parts
  • CompatibilityHP Designjet Large Format Series ePrinters: T120 T520
  • SpecificationsHeight: 4.9" Width: 36" Depth: 4.9"
  • Weight3.65
  • FeaturesHP DesignJet 24-in Spindle
  • 24-inch spindle fits T120 and T520 ePrinters
  • 36-inch width matches 24-inch media rolls
  • 9-inch height and depth for compact installation
  • Weighs 3.65 units for easy handling
  • Genuine HP replacement part ensures reliable media feed

24-inch Spindle for DesignJet Printers

The HP B3Q36A spindle fits T120 and T520 large-format ePrinters. It holds 24-inch wide roll media for CAD, GIS and PSP workflows. The part replaces a worn or damaged original spindle to keep wide-format output running smoothly.

Replaces worn original spindle

Swap this in when the existing spindle no longer feeds paper evenly or shows physical damage. The upgrade is worth it if misfeeds, skew or edge curling appear during long print runs on 24-inch rolls.

Simple drop-in installation

Remove the old spindle and slide the new unit into the printer cradle. The 36-inch width and 4.9-inch depth match the factory mounting points. No tools are required, but verify the roll core seats fully to avoid media slip.

Highlights

  • 24-inch spindle fits T120 and T520 ePrinters
  • 36-inch width matches 24-inch media rolls
  • 9-inch height and depth for compact installation
  • Weighs 3.65 units for easy handling
  • Genuine HP replacement part ensures reliable media feed

Specifications

BrandHP
ModelB3Q36A
Part NumberB3Q36A
Product SortPrinter Accessories
Product TypeReplacement Parts
CompatibilityHP Designjet Large Format Series ePrinters:
T120
T520
SpecificationsHeight: 4.9"
Width: 36"
Depth: 4.9"
Weight3.65
FeaturesHP DesignJet 24-in Spindle
Shipping weight1.81 kg
Package size914 × 127 × 127 mm

Questions about this item

Will the 24-inch spindle fit inside my DesignJet T120 or T520 printer?

The spindle measures 36 inches wide, 4.9 inches high and 4.9 inches deep, matching the 24-inch roll capacity of the T120 and T520 series.

How do I install the spindle, and what step is often missed?

Slide the spindle through the roll, seat both ends in the printer cradles, and lock the blue latches — forgetting to snap both latches causes the roll to shift during printing.

When should I replace the spindle on my DesignJet T120 or T520?

Replace it if the plastic flanges crack, the core wobbles, or the blue locking tabs no longer hold the roll securely after repeated roll changes.

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