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HP LaserJet Pro 400 MFP M425 - Interpret Control Panel Messages

Control panel message types

The control panel messages indicate the current product status or situations that might require action.
Alert and warning messages appear temporarily and might require you to acknowledge the message by pressing the OK button to resume or by pressing the Cancel button to cancel the job. With certain warnings, the job might not complete or the print quality might be affected. If the alert or warning message is related to printing and the auto-continue feature is on, the product will attempt to resume the printing job after the warning has appeared for 10 seconds without acknowledgement.
Critical error messages can indicate some kind of failure. Turning off and then turning on the power might fix the problem. If a critical error persists, the product might require service.

Control panel messages

49 Error, Turn off then on

Description
The product experienced an internal error.
Recommended action
Turn the product off, wait at least 30 seconds, and then turn the product on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

50.x Fuser Error

Description
The product has experienced an error with the fuser.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
Turn off the product, wait at least 25 minutes, and then turn on the product.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

51.XX Error

Description
The product has experienced an internal hardware error.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product on.
If the message persists, contact HP support.

54.XX Error

Description
The product has experienced an error with one of the internal sensors.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

55.X Error

Description
The product has experienced an internal error.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

57 Fan Error, Turn off then on

Description
The product has experienced a problem with its internal fan.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

59.X Error

Description
The product has experienced a problem with one of the motors.
Recommended action
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
If the message persists, contact HP support.

79 Error Turn off then on

Description
The product has experienced an internal firmware error.
Recommended action
  1. Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
  2. If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
  3. Make sure the printer is running the latest available firmware from HP.com.
  4. If the error is intermittent, attempt to isolate the issue to something specific in your environment.
    1. Delete all print jobs from all computers connected to the printer. Resend the job.
    2. In rare cases, a specific IP address has been seen to cause the error; assign a different IP address to the printer.
  5. If the message persists, contact HP support.

79 Service error

Description
An incompatible DIMM may be installed.
Recommended action
  1. Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize.
  2. If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the product power on.
  3. Make sure the printer is running the latest available firmware from HP.com.
  4. If the error is intermittent, attempt to isolate the issue to something specific in your environment.
    1. Delete all print jobs from all computers connected to the printer. Resend the job.
    2. In rare cases, a specific IP address has been seen to cause the error; assign a different IP address to the printer.
  5. If the issue persists, remove any installed DIMMS and retest.
    1. If the printer prints fine, install a DIMM that the product supports.
  6. If the message persists, contact HP support.

Black cartridge low

Description
The toner cartridge is nearing the end of its useful life.
Recommended action
Printing can continue, but consider having a replacement toner cartridge on hand.

Black cartridge very low

Description
The toner cartridge is at the end of its useful life. A customer configurable option on this product is "Prompt to Remind Me in 100 pages, 200 pages, 300 pages, 400 pages, or never." This option is provided as a customer convenience and is not an indication these pages will have acceptable print quality.
Recommended action
To ensure optimal print quality, HP recommends replacing the toner cartridge at this point. You can continue printing until you notice a decrease in print quality. Actual cartridge life may vary.
Once an HP toner cartridge has reached very low, HP's Premium Protection Warranty on that toner cartridge has ended. All print defects or cartridge failures incurred when an HP toner cartridge is used in continue at very low mode will not be considered to be defects in materials or workmanship in the toner cartridge under the HP Print Cartridge Warranty Statement.

Cleaning

Description
The product periodically performs a cleaning procedure to maintain the best print quality.
Recommended action
Wait for the cleaning process to finish.

Device error, press OK

Description
An internal error occurred.
Recommended action
Press the OK button to resume the job.

Door open

Description
The product front door is open.
Recommended action
Close the door.

Genuine HP supply installed

Description
A genuine HP toner cartridge was installed.
Recommended action
No action necessary.

Incompatible black

Description
You have installed a toner cartridge that is intended for use in a different HP product model. The product might not function correctly with this toner cartridge installed.
Recommended action
Install the correct toner cartridge for this product.

Install black cartridge

Description
The toner cartridge is either not installed or not correctly installed in the product.
Recommended action
Install the toner cartridge.

Invalid driver Press [OK]

Description
You are using an incorrect print driver.
Recommended action
Select the correct print driver.

Jam in Tray 1, Clear jam and then press OK

Description
The product has detected a jam.
Recommended action
Clear the jam from the tray, and then press OK.
If the message persists, contact HP support.

Load Tray 1 <TYPE> <SIZE>, Press OK to use available media

Description
The tray is not configured for the paper type and size that the print job is requesting.
Recommended action
Load the correct paper into Tray 1. Or press the OK button to use the paper currently in the tray.

Load Tray 1, <PLAIN> <SIZE> / Cleaning mode, OK to start

Description
The product is ready to process the cleaning operation.
Recommended action
Load Tray 1 with plain paper in the size indicated, and then press the OK button.

Load tray <X> Press [OK] for available media

Description
The tray is empty.
Recommended action
Load paper into the tray to continue printing. Press the OK button to select a different tray.

Load tray <X> <TYPE> <SIZE>

Description
A tray is configured for the paper type and size that the print job is requesting, but that tray is empty.
Recommended action
Load the correct paper into the tray, or press the OK button to use paper in a different tray.

Manual Duplex Load Tray 1, Press OK

Description
The first side of a manual duplex job has printed, and the page needs to be loaded to process the second side.
Recommended action
Load the page in the indicated tray with the side to be printed face up, and the top of the page away from you and then press the OK button.

Manual feed <SIZE> <TYPE>, Press OK to use available media

Description
The product is set for manual feed mode.
Recommended action
Press the OK button to clear the message or load the correct paper into Tray 1.

Memory is low. Press OK.

Description
The product memory is almost full.
Recommended action
Press the OK button to finish the job, or press the Cancel button to cancel the job.
Break the job into smaller jobs that contain fewer pages.

Misprint, Press OK

Description
Paper has been delayed as it moves through the product.
Recommended action
Press the OK button to clear the message.
To avoid this problem, try the following solutions:
  1. Adjust the paper guides in the tray. Make sure the front paper guide is pushing the paper against the back edge of the tray.
  2. Use paper that meets HP specifications. Store paper unopened in its original packaging.
  3. Use the product in an area that meets the environmental specifications for this product.

Print failure, press OK. If error repeats, turn off then on.

Description
The product cannot process the page.
Recommended action
Press the OK button to continue printing the job, but output might be affected.
If the error persists, turn the power off and then on. Resend the print job.

Rear door open

Description
The product rear door is open.
Recommended action
Close the door.

Remove shipping material from toner cartridge

Description
A toner cartridge shipping lock is installed.
Recommended action
Pull the orange tab to remove the shipping lock from the cartridge.

Replace black cartridge

Description
The toner cartridge is at the end of its useful life, and the product is customer-configured to stop printing when it reaches the very low state.
Recommended action
To ensure optimal print quality, HP recommends replacing the toner cartridge at this point. You can continue printing until you notice a decrease in print quality. Actual cartridge life may vary. Once an HP toner cartridge has reached very low, HP's Premium Protection Warranty on that toner cartridge has ended. All print defects or cartridge failures incurred when an HP toner cartridge is used in Continue at Very Low mode will not be considered to be defects in materials or workmanship in the toner cartridge under the HP Print Cartridge Warranty Statement.

Unexpected size in tray <X> Load <size> Press [OK]

Description
The product has detected paper in the tray that does not match the configuration for the tray.
Recommended action
Load the correct paper into the tray, or configure the tray for the size that you have loaded.

Unsupported black cartridge Press [OK] to continue

Description
The product has detected an installed toner cartridge that was not made by HP.
Recommended action
Press the OK button to continue printing.
If you believe you purchased an HP supply, go to www.hp.com/go/anticounterfeit. Service or repairs that are required as a result of using unsupported supplies are not covered under HP warranty.

Used black cartridge is installed Press [OK] to continue

Description
You are using a toner cartridge that reached the default low threshold while it was installed in a product.
Recommended action
Prining can continue, but consider having a replacement toner cartridge on hand.

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