HP LaserJet Pro 400 M401 User Manual

							50.x Fuser Error Turn off then on
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 Turn off then on
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 Turn off then on
Description
The product has experience d 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 Turn off then on
Description
The product has experienced an internal error.
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							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 pr oblem 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 Turn off then on
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
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.
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							If the message persists, contact HP support.
79 Service error Turn off then on
Description
An incompatible DIMM is installed.
Recommended action
1.Turn the product power off.
2. Install a DIMM that  the product supports.
3. Turn the product on.
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 available.
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,  HPs Premium Protection Warranty on that toner
cartridge has ended. All print defects or cartridge fa ilures 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.
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							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 supply was installed.
Recommended action
No action necessary.
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.
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							Jam in 
Description
The product has detected a jam.
Recommended action
Clear the jam from the location indicated. The job should continue to print. If it does not, try reprinting
the job.
If the message persists , contact HP support.
Jam in Tray  Clear  jam and then Press [OK]
Description
The product has detected a jam.
Recommended action
Clear the jam from the location indicated, and then press  OK.
If the message persists , contact HP support.
Load tray 1 , 
Description
No trays are configured for the paper type and size that the print job is requesting.
Recommended action
Load the correct paper into Tray 1, or press  OK to use paper in a different tray.
Load tray 1 PLAIN  Cleaning Mode
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  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.
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							Load tray   
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  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 ,  Pr ess [OK] for 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.
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							To avoid this problem, try the following solutions:
◦Adjust the paper guides in the tray. Make sure 
the front paper guide is pushing the paper against
the back edge of the tray.
◦ Use paper that meets HP specif
ications. Store paper unopened in its original packaging.
◦ Use the product in an area that meets the en
vironmental 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 like,  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 pr int quality. Actual cartridge life may vary. Once an
HP toner cartridge has reached very low, HPs Premiu m Protection Warranty on that toner cartridge has
ended. All print defects or cartridg e failures incurred when an HP tone r cartridge is used in continue at
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							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.
Supplies low
Description
A toner cartridge is low.
Recommended action
Printing will continue until a  Very Low message displays. Consid er having a replacement toner
cartridge available.
Unexpected size in tray   Load  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 configur e 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 unsupp orted 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 another
product.
Recommended action
Press the  OK button to clear the message. Printing can  continue, but consider having a replacement
toner cartridge available.
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							Paper feeds incorrectly or becomes jammed
The product does not pick up paper
If the product does not pick up pape r from the tray, try these solutions.
1. Open the product and remove  any jammed sheets of paper.
2. Load the tray with the correct  size of paper for your job.
3. Make sure the paper guides in the tray are adju sted correctly for the size of paper. Adjust the
guides so they are touching th e paper stack without bending it.
4. Check the product control panel to see if the pr oduct is waiting for you to acknowledge a prompt
to feed the paper manually. Load paper, and continue.
The product picks up mu ltiple sheets of paper
If the product picks up multiple sheets of paper from the tray, try these solutions.
1. Remove the stack of paper from the tray and flex  it, rotate it 180 degrees, and flip it over. 
Do not
fan the paper.
 Return the stack of paper to the tray.
2. Use only paper that meets HP  specifications for this product.
3. Use paper that is not wrinkled, folded, or dama ged. If necessary, use paper from a different
package.
4. Make sure the tray is not overfilled. If it is,  remove the entire stack of paper from the tray,
straighten the stack, and then return some of the paper to the tray.
5. Make sure the paper guides in the tray are adju sted correctly for the size of paper. Adjust the
guides so they are touching th e paper stack without bending it.
Prevent paper jams
To reduce the number of paper jams, try these solutions.
1.Use only paper that meets HP  specifications for this product.
2. Use paper that is not wrinkled, folded, or dama ged. If necessary, use paper from a different
package.
3. Use paper that has not previously been printed or copied on.
4. Make sure the tray is not overfilled. If it is,  remove the entire stack of paper from the tray,
straighten the stack, and then return some of the paper to the tray.
5. Make sure the paper guides in the tray are adju sted correctly for the size of paper. Adjust the
guides so they are touching th e paper stack without bending it.
6. If you are printing on heavy, embossed, or perf orated paper, use the manual feed feature and
feed sheets one at a time.
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							Clear jams
Jam locations
Jams can occur in these locations:
1 Output bin
2 Rear door
3Tray 1
4Tray 2
5 Optional Tray 3
Loose toner might remain in the product after a jam. This problem typically resolves itself after a few
sheets have been printed.
Clear a jam in Tray 1
NOTE: If the sheet tears, remove all fr agments before resuming printing.
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