ErrorCodeDoctor
HP · Printer (LaserJet)

HP Printer (LaserJet) Er/01 error code

Difficulty: Easy · Cost: $0 · Duration: 1m

The Er/01 error means your HP LaserJet printer's input tray is empty and the printer cannot feed paper to complete the print job. Load paper into the input tray or remove and reload the existing stack to clear the error.

Common causes

  • Input tray has run out of paper
  • Paper stack was not loaded before printing started
  • Paper stack was not properly seated in the tray

How to fix it

  1. 1

    Load a stack of plain paper into the input tray

  2. 2

    Or remove the existing stack, tap it on a flat surface to align the edges, and reload it

  3. 3

    Make sure the paper width guides are snug against the edges of the paper stack

  4. 4

    The printer will automatically resume once paper is detected

Related HP Printer (LaserJet) error codes

1

Er/02

The cartridge access door is open

easy
2

Er/03

The printer failed to pick a sheet of paper from the tray

easy
3

Er/04 / Er/05 / Er/06

A paper jam was detected inside the printer

easy
4

Er/07

The toner cartridge is missing or not installed correctly

easy

Er/01 error — frequently asked questions

What does the Er/01 error mean on a HP printer (laserjet)?

The input tray is empty — no paper loaded

What causes the Er/01 error?

The Er/01 error is usually caused by: Input tray has run out of paper; Paper stack was not loaded before printing started; Paper stack was not properly seated in the tray.

Can I fix the Er/01 error myself?

Yes — this is rated an easy fix that most people can do themselves, typically in 1m.

How much does it cost to fix the Er/01 error?

Fixing the Er/01 error on a HP printer (laserjet) typically costs $0, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my printer (laserjet) with the Er/01 error?

In most cases yes, but it's best to address the Er/01 error soon — see the fix steps below to resolve it.