e7Smart Tank Plus 651

HP Smart Tank Plus 651 error E7: How to fix carriage jams

The HP Smart Tank Plus 651 error E7 occurs when the print carriage encounters an obstruction in its slide area. This error is often associated with paper jams or small foreign objects stuck inside. The continuous ink system is sensitive to these physical blocks.

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Common causes

  • 1Piece of paper blocking the carriage rail.
  • 2Foreign object inside the mechanism.
  • 3Premature wear of the carriage belt.
  • 4Carriage position sensor covered in dust.

Solutions

Quick Diagnostics

Error E7 appears when the carriage halts. Inspect the back of the unit for debris if the front panel lights are flashing.

Step-by-Step Solution

  1. Unplug the power and open the cartridge access door.
  2. Check that the carriage moves freely by hand.
  3. Remove any paper remnants from the paper path.
  4. Close the door and restart the printer.

Prevention and Maintenance

Use the correct paper weight. Wipe the feed rollers with a damp cloth every few months to prevent slips.

When to Call a Technician

If the carriage is stuck but there is no paper, the motor might be faulty.

Equipment Technical Data

  • Technology: Continuous Inkjet
  • Speed: Up to 11 ppm black
  • Connectivity: Wi-Fi, USB
  • Compatible Consumable: GT51/GT52 ink bottles
  • Recommended Use: Home/small office
  • Official drivers / firmware

Steps to follow

  1. 1

    Open access door

    Lift the main cover to access the cartridges.

  2. 2

    Remove paper

    Clear any jammed paper carefully.

  3. 3

    Reset

    Close the door and press the resume button.

Frequently asked questions

It indicates a paper jam blocking the carriage movement.

Yes, a jammed carriage can damage the belt if forced.

Use only original GT51/GT52 ink series.

Avoid overloading the input tray.