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Rectangular grey duplexer unit with side latches, shown from front angle

HP

HP LaserJet 4240/4250/4350 Duplexer Assembly AIMR73-5047

SKU CH-1HKK-H0DEA

Enables automatic two-sided printing for HP LaserJet 4240, 4250 and 4350 series printers

  • Product categoryPrinter Accessories
  • Product categoryOther Accessories
  • Automatic two-sided printing for LaserJet 4240, 4250, 4350
  • Restored to original manufacturer specifications
  • Professional packaging protects the unit during transit
  • Ninety-day depot warranty covers defects
  • Compatible with multiple LaserJet models including 4240n, 4250DTN, 4350TN

Duplexer for HP LaserJet 4240, 4250, 4350

This optional duplexer assembly enables automatic two-sided printing on compatible HP LaserJet printers. It is designed for the 4240, 4250 and 4350 series models listed in the specifications. The unit is supplied new and professionally packaged. It restores duplex capability to supported devices.

Suited for owners of listed LaserJet models

Buyers who need duplex printing for other printer brands or newer HP series not named above cannot use this assembly. It is not a toner cartridge, paper tray or maintenance kit. Users without a compatible 4240, 4250 or 4350 model should look elsewhere.

Part number AIMR73-5047 confirms fit

The manufacturer part number AIMR73-5047 is the primary identifier for this duplexer assembly. Match this number to your printer service manual or parts list before ordering. No other specification determines compatibility.

How it compares

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

Price $72.99
Cheaper than about 59% of the 5,855 comparable items (median $91.99).

Specifications

Product
Product categoryPrinter Accessories

Questions about this item

How do I install the duplexer assembly on my HP LaserJet 4250?

Power off the printer, open the rear output bin, slide the unit into the slot until it clicks, then close the bin and power on.

What maintenance will this duplexer need over time?

Clean the feed rollers with a lint-free cloth when double-sided prints show streaks or misfeeds; replace the unit if rollers become worn.

What limit appears first during continuous duplex printing?

The 90-day depot warranty period marks the coverage limit for defects found under sustained use.

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