- Printers
- Laser printer
13.A4.D4
HP LaserJet M607–M612: 13.A4.D4
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
High
Quick answer
HP identifies 13.A4.D4 as: The printer reports a jam in Tray 4. Do not guess a part yet. The observation that separates the next repair branch is Tray 4 media/guide state and the exact D4 or FF event suffix.
Safety first
Stop and check this first
- Never force paper against resistance or reach into a moving printer.
Safe checks you can perform
- Preserve the failure before clearing it
- Run one controlled, owner-safe discriminator
- Stop at the proved owner/service boundary
Leave these tasks to a qualified professional
- Do not attempt this professional task: Measured service handoff for 13.A4.D4
What a technician must be able to justify
A technician is coming
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Measured service handoff for 13.A4.D4
What they doReproduce from the named tray, inspect its pickup/separation rollers, registration sensor and paper fragments, and document the failed component before replacement.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
- 1
Preserve the failure before clearing it
No special tools
Procedure
Photograph 13.A4.D4 and save the complete event-log suffix, printer model, firmware, tray, media, job and last intervention. A cleared panel is not a diagnosis.
Never force paper against resistance or reach into a moving printer.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
- 2
Run one controlled, owner-safe discriminator
No special tools
Procedure
Follow the panel animation. Power off, remove only visible loose paper in the shown direction, inspect for fragments, then reload one fresh supported sheet. Record Tray 4 media/guide state and the exact D4 or FF event suffix; change only one variable before the retest.
Never force paper against resistance or reach into a moving printer.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
- 3
Stop at the proved owner/service boundary
No special tools
Procedure
- If the same location repeats with a fresh sheet, stop clearing it:
- the named pickup/registration path now needs sensor and roller inspection.
Never force paper against resistance or reach into a moving printer.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Printers
- Brand
- HP
- Product type
- Laser printer
Known code variants
- erreur LaserJet M607 13.A4.D4
- error LaserJet M607 13.A4.D4
- errore LaserJet M607 13.A4.D4
- HP 13.A4.D4
- HP LaserJet 13.A4.D4
- LaserJet M607 13.A4.D4
- LaserJet M607 Fehler 13.A4.D4
What it means
Official meaning: The printer reports a jam in Tray 4. Decision boundary: record Tray 4 media/guide state and the exact D4 or FF event suffix. Service proof: Reproduce from the named tray, inspect its pickup/separation rollers, registration sensor and paper fragments, and document the failed component before replacement.
Warnings and stop conditions
- Mediumsource verified
Never force paper against resistance or reach into a moving printer.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
Symptoms and causes
Probable causes · in order
- What the HP message establishesConfirmed
HP documentation for the LaserJet Enterprise M607–M612 family identifies 13.A4.D4: The printer reports a jam in Tray 4.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
- The evidence that changes the repair branchPossible
Record Tray 4 media/guide state and the exact D4 or FF event suffix. If the same location repeats with a fresh sheet, stop clearing it: the named pickup/registration path now needs sensor and roller inspection.
Evidence: HP LaserJet Enterprise M607 series troubleshooting · HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
Virtual technician
Does 13.A4.D4 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
HP LaserJet Enterprise M607 series troubleshooting
HP Inc. · 2026 · official_doc
- 2
HP LaserJet Enterprise M607–M612 – jams in Trays 2–5
HP Inc. · 2026 · official_doc
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