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HP LaserJet MFP M433, M436, M437, M438, M439, M440, M442, M443, M42523, M42525, M42623, M42625 - Understanding display messages

Introduction
Paper Jam-related messages
Toner-related messages
Tray-related messages
Network-related messages
Misc. messages

Introduction

Messages appear on the control panel display to indicate the machine’s status or errors. Refer to the tables below to understand the messages and their meaning, and correct the problem, if necessary.
note:
  • You can resolve the error with the guideline from the computer’s Printing Status program window.
  • If a message is not in the table, reboot the power and try the printing job again. If the problem persists, call a service representative.
  • When you call for service, provide the service representative with the contents of display message.
  • Some messages may not appear on the display depending on the model or optional goods.
  • [error number] indicates the error number.
  • [tray type] indicates the tray number.
  • [media type] indicates the media type.
  • [media size] indicates the media size.
  • [unit type] indicates the unit type.

Paper Jam-related messages

Message
Meaning
Suggested solutions
Original paper jam
The loaded original document has jammed in document feeder.
Clear the jam.
Paper Jam in Tray 2
Paper has jammed in the tray.
Clear the jam.
Paper Jam in Tray 3
Paper has jammed in the optional tray.
Clear the jam.
Paper Jam in MP Tray 1
Paper has jammed in the multipurpose tray.
Clear the jam.
Jam inside machine
Paper has jammed inside the machine.
Clear the jam.
Jam inside of duplex
Paper has jammed inside the duplex.
Clear the jam.
Jam in exit area
Paper has jammed in the paper exit area.
Clear the jam.

Toner-related messages

Message
Meaning
Suggested solutions
  • Error: #C1-1711 or C1-1712
    Toner Cart Failure: #C1-1711 or C1-1712
    Call for service
  • Toner not installed
    Toner cartridge is not installed. Install it.
A toner cartridge is not installed.
Reinstall the toner cartridge.
A toner cartridge is not being detected.
Reinstall the toner cartridge two or three times to confirm it is seated properly. If the problem persists, contact the service representatives.
Protective film is not removed from toner.
Remove the protective film from the toner cartridge.
  • IMG. Not Compatible
    Imaging unit is not compatible. Check guide
The imaging unit you have installed is not for your machine.
Install a HP genuine imaging unit, designed for your machine.
  • IMG. Not Installed
    Imaging unit is not installed. Install the unit.
The imaging unit is not installed.
Reinstall the imaging unit two or three times. If the problem persists, call for service.
  • Prepare IMG. unit
    Prepare new imaging unit
The estimated imaging unit life is close.
Prepare a new imaging unit for replacement.
  • Replace IMG. unit
    Replace with new imaging unit
The indicated imaging unit has almost reached its estimated imaging unit life.
  • You can choose Stop or Continue as shown on the control panel. If you select Stop, the printer stops printing and you cannot print any more without changing the imaging unit. If you select Continue, the printer keeps printing but the printing quality cannot be guaranteed. Replace the imaging unit for the best print quality when this message appears. Using a imaging unit beyond this stage can result in printing quality issues.
  • If the machine stops printing, replace the imaging unit.
  • Toner Not compatible
    Toner cartridge is not compatible. Check guide
The indicated toner cartridge is not suitable for your machine.
Install the corresponding toner cartridge with a HP cartridge.
  • Prepare new toner
    Prepare new toner cartridge
Small amount of toner is left in the indicated cartridge. The estimated cartridge lifea of toner is close.
Prepare a new cartridge for a replacement. You may temporarily increase the printing quality by redistributing the toner.
  • Replace new toner
    Replace with new toner cartridge
The indicated toner cartridge has almost reached its estimated cartridge life.
  • You can choose Stop or Continue as shown on the control panel. If you select Stop, the printer stops printing. If you select Continue, the printer keeps printing but the printing quality cannot be guaranteed.
  • Replace the toner cartridge for the best print quality when this message appears. Using a cartridge beyond this stage can result in printing quality issues.
The indicated toner cartridge has reached its estimated cartridge life
Replace the toner cartridge.
aThe printer indicates when the cartridge level is low. Actual cartridge life remaining may vary. Consider having a replacement available to install when print quality is no longer acceptable. The cartridge does not need to be replaced now unless the print quality is no longer acceptable.
  caution:
For HP printer products, the use of a non-HP toner cartridge or a refilled toner cartridge does not affect either the warranty to the customer or any HP support contract with the customer. However, if product failure or damage is attributable to the use of a non-HP toner cartridge or refilled toner cartridge, HP will charge its standard time and materials charges to service the product for the particular failure or damage.

Tray-related messages

Message
Meaning
Suggested solutions
  • All Tray Empty
    Paper is empty in all tray. Load paper
There is no paper in all tray.
Load paper in tray.
  • Paper Empty in Tray 2 Paper is empty in Tray 2. Load paper
  • Paper Empty in Tray 3 Paper is empty in Tray 3. Load paper
There is no paper in tray.
Load paper in tray.
  • Paper Empty in MP Tray 1
    Paper is empty in MP Tray 1. Load paper
There is no paper in the multi-purpose tray.
Load paper in the multi-purpose tray.
  • Tray 3 door is open. Close it
The Tray 3 is not securely latched.
Close the Tray 3 until it locks into place.

Network-related messages

Message
Meaning
Suggested solutions
IP Conflict
This IP address conflicts with that of other system
The network IP address you have set is being used by someone else.
Check the IP address and reset it if necessary.

Misc. messages

Message
Meaning
Suggested solutions
  • Door is open. Close it
The front cover or rear cover is not securely latched.
Close the cover until it locks into place.
  • Scanner door open
    Door of scanner is open. Close the door
The document feeder cover is not securely latched.
Close the cover until it locks into place.
  • Not Proper room temp
    Not Proper room temperature. Change room temperature
The machine is in a room with improper room temperature.
Move the machine to a room with proper room temperature
  • Replace reverse roller
    Replace with new Tray 2 reverse roller
  • Replace reverse roller
    Replace with new Tray 3 reverse roller
The life of the tray reverse roller has expired.
Replace the tray reverse roller with a new one. Contact the service representatives.
  • Replace pickup roller
    Replace with new Tray 3 pickup roller
The life of the tray pickup roller will be expired.
Replace the tray pickup roller with a new one. Contact the service representatives.
  • Replace pickup roller
    Replace with new [tray type] pickup roller
The life of the Tray 2, Tray 3 or MP Tray 1 pick-up roller will expire soon.
Replace the tray pickup roller with a new one. Contact the service representatives.
  • Scanner Locked
    Scanner is locked. Press Stop button
The scanner is locked.
Reboot the power. If the problem persists, please call for service.
  • Scanner door open
    Door of scanner is open. Close the door
The document feeder cover is not securely latched.
Close the cover until it locks into place.
  • Error: #U1-2132, U1-2315, U1-2320, U1-2330, U1-2334, U1-2340, or U1-234H
    Fuser Unit Failure: #U1-2132, U1-2315, U1-2320, U1-2330, U1-2334, U1-2340, or U1-234H
    Turn off then on. Call for service if the problem persists
There is a problem in the fuser unit.
Reboot the power. If the problem persists, please call for service.
  • Error: #A1-1110
    Motor Failure: #A1-1110
    Turn off then on. Call for service if the problem persists
There is a problem in the Motor system.
Reboot the power. If the problem persists, please call for service.
  • Error: #U2-1111, U2-1112, U2-1113, or U2-1114
    LSU Failure: #U2-1111, U2-1112, U2-1113, or U2-1114
    Turn off then on. Call for service if the problem persists
There is a problem in the LSU.
Reboot the power. If the problem persists, please call for service.
  • Error: #H1-1230
    Input System Failure: #H1-1230
    Check Tray 3 connection
There is a problem in the Tray 3.
Check the Tray 3 connection.
  • Error: [error number]
    Video System Failure: [error number]
    Call for service if the problem persists
There is a problem in the video system.
Reboot the power. If the problem persists, please call for service.

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