0x61000021OfficeJet Pro 9730e

HP OfficeJet Pro 9730e Error 0x61000021: Fix Feed Issues

The HP OfficeJet Pro 9730e error 0x61000021 indicates an issue within the paper feed system. This often triggers when the printer's sensors fail to detect paper or when the rollers lack the necessary friction to move the media correctly into the print path. This guide provides actionable steps to clean the feeding assembly and clear the 0x61000021 alert.

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Common causes

  • 1Dirty rubber rollers leading to paper slips.
  • 2Misaligned paper guides in the input tray.
  • 3Defective paper presence sensor.
  • 4Using unsupported paper grammage.

Solutions

Diagnóstico rápido

The 0x61000021 error is usually a mechanical feedback issue. If you see this after trying to start a print job, it suggests the printer is trying to move paper but the sensors are reporting an unexpected condition, likely caused by dust or a slight misalignment.

Solución paso a paso

  1. Remove the paper stack and inspect the feed tray for foreign objects.
  2. Use a damp cloth to clean the rubber feed rollers to ensure optimal grip.
  3. Adjust the paper guides to fit your stock correctly.
  4. Restart the printer to trigger a sensor self-check.

Prevención y mantenimiento

Perform a monthly roller cleaning to keep feeding precision high. Avoid using paper stock that is too heavy or smooth, as this can confuse the feed sensors and trigger unnecessary errors.

Cuándo llamar a un técnico

If the error 0x61000021 persists despite thorough cleaning, the feed sensor may have failed, which requires replacement by an HP-certified technician.

Ficha técnica del equipo

  • Technology: Wide-format inkjet.
  • Capacity: Standard input tray for business use.
  • Connectivity: Wi-Fi, Ethernet, USB.
  • Mechanism: Precision motorized paper pick-up.
  • Consumables: HP 937 Series.
  • Recommended use: Office wide-format printing.
  • Official support

Steps to follow

  1. 1

    Check tray

    Remove the paper tray and clear any debris near the paper feed path.

  2. 2

    Clean rollers

    Gently wipe the pick-up rollers with a damp cloth to restore grip.

  3. 3

    Restart

    Reboot the printer to recalibrate the paper detection sensors.

Frequently asked questions

This code suggests that the paper feed mechanism or the feed sensor is malfunctioning.

Yes, cleaning the rollers is often all that is needed to resolve this communication issue.

Use standard bond paper; keep it clean to avoid sensor interference.

Don't overload the paper tray and perform regular cleaning cycles.