ErrorCodeDoctor
HP Printer (LaserJet) Er/07 error code
The Er/07 error means your HP LaserJet printer cannot detect the toner cartridge — it is either missing or not seated correctly in the cartridge slot. Removing and reinstalling the toner cartridge resolves most cases. If the error persists after reinstalling replace the cartridge with a new genuine HP toner cartridge.
Common causes
- Toner cartridge is not installed in the printer
- Toner cartridge is not fully seated and clicked into its slot
- Toner cartridge has failed and is no longer detected
How to fix it
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1
Open the cartridge access door
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2
Remove the toner cartridge by pulling it straight out
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3
Reinsert the toner cartridge firmly until it clicks into position
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4
Close the cartridge access door and try to print
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5
If Er/07 persists replace the toner cartridge with a new genuine HP cartridge
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6
If the error continues after replacing the cartridge contact a qualified technician
Related HP Printer (LaserJet) error codes
Er/07 error — frequently asked questions
What does the Er/07 error mean on a HP printer (laserjet)?
The toner cartridge is missing or not installed correctly
What causes the Er/07 error?
The Er/07 error is usually caused by: Toner cartridge is not installed in the printer; Toner cartridge is not fully seated and clicked into its slot; Toner cartridge has failed and is no longer detected.
Can I fix the Er/07 error myself?
Yes — this is rated an easy fix that most people can do themselves, typically in 5m.
How much does it cost to fix the Er/07 error?
Fixing the Er/07 error on a HP printer (laserjet) typically costs $0–$50, 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/07 error?
In most cases yes, but it's best to address the Er/07 error soon — see the fix steps below to resolve it.