HP / Color LaserJet Pro M377 / M477 / M479 series

13.03 - Paper is jammed in Tray 2.

Paper is jammed in Tray 2.

This guide is scoped to the Color LaserJet Pro M377 / M477 / M479 series family. Exact menu wording, cartridge naming, and service behavior can still vary by model variant and firmware.

Severity

Medium

Most likely cause

Tray 2 paper is not seated flat or is loaded above the guide marks.

Can you keep using it?

Maybe after the first checks

Consumables involved

Paper, Tray 2

Can you keep using it?

Can you keep using it?

Contact customer support if any of these apply

  • !13.03 returns repeatedly with supported, correctly loaded paper.
  • !Tray 2 feed behavior is inconsistent or noisy on every job.
If the printer still starts normally: Finish the first checks once, then stop if the same message repeats or the printer still cannot return to ready.

What to check first

Step-by-step checks

  1. 1

    Consumable check

    Remove and reload Tray 2 with a flat stack of clean paper.

    Start with the official recovery step before moving on to parts or deeper servicing.

  2. 2

    Safe first step

    Check the guides carefully before reinserting the tray.

  3. 3

    Safe first step

    Clear any visible internal scraps before retrying the print job.

Background

What this message usually means

HP uses 13.03 on this Color LaserJet Pro family when paper jams in Tray 2 or shortly after leaving the cassette. In practice that usually points to tray load, guide, or feed-path issues rather than a print-engine failure.

Diagnosis

Likely causes

Most common

Tray 2 paper is not seated flat or is loaded above the guide marks.

Common

The paper guides do not match the actual media size.

Possible

A damaged sheet or hidden scrap is interfering with Tray 2 feeding.

Service

When service or replacement is more likely

  • -This is still a feed-path issue first, even in a higher-volume office setting.

See also

Related codes in this family

Explore more

More HP printer families

Source notes

HP's official Color LaserJet Pro M479 troubleshooting hub identifies 13.03 as the Tray 2 jam family for this platform.

Built around official HP Color LaserJet Pro M377, M477, and M479 support guidance. Exact panel formatting and animations vary a little by model, but the main jam-code families and first checks stay close across the range.

Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.

Known family variants: Color LaserJet Pro M377dw, Color LaserJet Pro MFP M477fdw, Color LaserJet Pro MFP M479fdw, Color LaserJet Pro MFP M479dw

Last reviewed: 2026-04-12

Reference: Open reference

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