Fax 79 error

fax 79 error

Fax functions and operation (fax models only). 79. Motors and rollers (550-sheet paper feeder). Fax error messages on the control panel. Fax error messages Alert and warning messages appear temporarily and might require you to acknowledge the message by touching the OK button to resume or by. Common HP Printer Error Messages · 1. Make sure all paper trays are correctly installed · 2. Reinstall the stacker or staple/stacker · 3. You may be trying to.

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HP 1536dnf

Fax 79 error - remarkable

Received fax has poor print quality

Step 2

    Decrease the incoming fax transmission speed.

  1. Open a Web browser, and then type the printer IP address in the address field.

    Notes:

    • View the printer IP address in the TCP/IP section in the Network/Ports menu. The IP address appears as four sets of numbers separated by periods, such as 123.123.123.123.
    • If you are using a proxy server, then temporarily disable it to load the Web page correctly.
  2. Click Settings > Fax Settings > Analog Fax Setup.

  3. In the Max Speed menu, click one of the following:

  4. Click Submit.

  5. Resend the fax.

Is the fax print quality satisfactory?

The problem is solved.

Go to step 3.

A message stating “HP 79 Service Error Turn off then Turn on” is sometimes reported by users. Due to reasons like a minor bug in your printer or the printer software being out of date, this service error may be seen by the users of HP printers. On models like HP LaserJet Pro 200, 400, 500, etc., such an error is likely to appear the most. To resolve this service error on HP, we will walk you through different methods based on the fixes. Also, if you are seeing the 79 service error on HP LaserJet Pro 400 Printer, then you can explore the fixes for this too.

In this post on HP LaserJet 79 service error, we will be covering 2 topics. You can have a glance at these topics right here.

What is 79 Service Error on HP Printer?

The HP 79 service error may be seen on your printer on certain occasions. This is a service error which can indicate that a print job has become corrupt. Seeing this error can also mean that the firmware of your HP printer has become out of date. Thus, the spooler of your HP printer may be unable to establish communication with your device. 

What Causes the HP Printer 79 Service Error?

In this section, we have outlined the information relating to the causes of the service error 79 on HP printers with models 200, 400, CP5225, etc. Fixing the issue will be easier when the exact cause is known to you. 

  • The network signals for your device may be blocked. 
  • Your printer’s hardware such as the DIMMs and motherboard may be damaged.
  • Due to a faulty wire connection, you can find this error.
  • The firmware of your device may be out of date.
  • The page that your printing may be from an unauthorized webpage or link. Thus the problem may be emerging.
  • Turning your device on and off a number of times may be generating 79 service error.
  • In case the file you are printing is quite large, the error code will bother you.

After knowing the causes, let us now see the fixes for this problem.

How Do I Troubleshoot HP 79 Service Error?

If you are using an HP printer, then service errors like the 79 error code may be occasionally seen on it. To repair the HP printer error 79, you can opt for several fixes. Among all, the 6 best ones have been given here. These fixes will assist you in turning off your HP printer and then starting it again. Powering off your printer and power-cycling it, restarting the devices connected to it, and restarting the Print Spooler service are also some of the solutions you can try.

You can read more about them below.

Fix 1: Turn off then Turn on after 10 Seconds

Certain users came across the HP 79 service error while using the printer. To stop seeing this error, the users turned off their HP printers for 10 seconds. After this duration, they turned on their printers once again. Gladly, they did not come across this service error on their HP printers this time. We will suggest you as well to try this fix once. Here is how you can carry it out.

  • Your HP Printer comes with an “On“/”Off” switch button. Press this switch.
  • Wait for at least 10 seconds.
  • Press the switch to turn on your HP printer. 
  • Now, check whether this fix helped in troubleshooting the HP printer error 79.

Fix 2: Power off and Power Cycle Your HP Printer

One of the ways of troubleshooting the 79 service error on HP printer includes turning off the power of your HP printer for at least 30 seconds. This is then followed by turning on the power and checking for the error. In case the service error is still found, you can choose to power cycle your printing device. Doing so should serve as a guaranteed solution for this error code on your printer. Let us also take a look at the step-wise directions for this fix. These have been mentioned below.

  • Power off your HP printer.
  • Waiting for 30 seconds is the second step.
  • Power on your HP printer and let it initialize.
  • Take off the surge protector in case you are using it. Then directly plug in your device in the socket.
  • Power on your HP printer.
  • Check for the HP printer error 79 now.
  • In case the error has not been fixed, detach the USB or network cable.
  • Now, opt for power-cycling your HP printer. You should see “Ready” on the display. Then you can ensure the version of the firmware and upgrade to a new one, in case it is available.
  • Then check for the HP service error again. If it has still not been solved, then remove each print job for your HP printer.
  • Lastly, print a test page.

In case the HP printer error state is still visible, you can click here to see more solutions.

Fix 3: Restart Your Devices

In this fix for service error 79 on HP printer, we will advise you to restart the devices. The devices which have been connected to your network need to be restarted, These devices will include your computer as well as router. Then you can connect these devices and print using your HP printer. The error should not get displayed now.

Fix 4: Try Reinstalling DIMM Again on Your HP Printer

The HP printer 79 service error can be seen when the memory DIMM has been installed on your device. To stop seeing it, you can first turn off your device. Then you can remove the memory DIMM and install it again after a while. Now, you can start your HP printer and check for the error. If it still has not been resolved, then the further procedure to fix it can be found below.

  • The first step is to turn off your HP printer.
  • Now, the DIMM needs to be removed.
  • Next, the DIMM has to be installed again. Ensure that it is correctly seated in your HP printer.
  • Start your printer by turning it on.
  • Check that the HP service error has been settled by now.
  • In case you are seeing the service error even now, then DIMM needs to be removed.
  • Now, do a retest on the device.
  • In case your HP printer is working, as usual, then you can get the DIMM installed once again. 

The HP LaserJet error 79 should have been fixed by now. In case you can still see it, moving to the next section will be apt.

Fix 5: Try Reinstalling Drivers for Your HP Printer

The 79 service error was being seen by certain users of HP printers. As per these users, there were some flaws in the software needed for HP printer. So, these users headed to the Control Panel on their Windows computer. Below Uninstall a Program, they removed the software for the printer and also removed the printer from the Print queues. When they started their computer, the software was installed again. Thus, easily troubleshooting the HP service error 79. 

The detailed procedure for reinstalling the HP printer drivers has been shown as follows.

  • Click on “Start”.
  • Open the “Control Panel”.
  • In the “Control Panel”, click on “Uninstall a Program”.
  • Delete the software for your HP printer.
  • Then right-click on “Start”. Choose “Device Manager”.
  • Locate the “Print Queues”. Under it, uninstall your HP printer and remove it.
  • Start your Windows computer again.
  • The driver will be automatically installed on your system.
  • You will be required to download and install the software needed for your HP printer.
  • Now, you can see if the HP 79 service error has been removed from your HP printer.

If this fix did not work for you, then the problem may be something else. You can check this HP printer troubleshootingguide to find a guaranteed fix for it. 

Fix 6: Start the Print Spooler Service Again for HP Printer

Restarting the Print Spooler service has served as a helpful solution for doing away with the HP 79 service error. For restarting this service, you can launch the Task Manager of Windows. In the section of Services, you can pick Description. Using this option, you can select Print Spooler and restart it. Then you can print a test page via your HP printer to ensure that the service error 79 has been cleared.

The steps for this fix have been displayed here. 

  • Open the “Task Manager” of your Windows computer.
  • Open the “Services”.
  • Select “Description”. This will help in sorting the list.
  • Now, you have to choose “Print Spooler”. For this, you can drag the cursor over it.
79 service error hp laserjet pro 400
  • The “Print Spooler” option needs to be right-clicked. Then choose “Restart”.
  • Now, after the restarting process is over, you can print a page.

If the test page gets successfully printed, then you can be sure that the HP printer error 79 has been removed from your device.

Fix 7: Delete Print Queue and Print Another Document

The 79 service error in HP LaserJet Printers can erupt when a print job has been stuck. By removing the stuck job and clearing the print queue, the error should vanish. For carrying out these actions, you can open the Run window and go to Devices and Printers using it. You can go through the print jobs that are stuck and remove them. Doing so will also clear the print queue. Afterwards, you can opt for any other file or document for printing it. 

  • Hold the keys mentioned here at the same time:

“Windows” key + “R” key

  • When the window of “Run” is open, write “Control Printers” in it. 
  • Then press “Ok”.
  • In the window of “Devices and Printers”, opt for your HP printer.
  • Right-click on the model and choose “See What’s Printing”. Here, you can check the document that got stuck while printing.
  • Choosing that file, right-tap and select “Cancel”. This action will delete the print queue.
  • Finally, give the print command for another printer to check whether or not the issue has settled. 

Fix 8: Get the Firmware Updated for Your HP Printer

An HP printer with updated firmware will ensure that problems like the error code 79 are kept at bay. To update it, you can follow 3 options. These options comprise the manual approach, the method to directly get the updates from your printer, and via the HP Smart App. Based on the requisites for these options, you can pick the most suitable one.

Option 1: Manually Update Firmware

In this measure for the 79 service error, we’ll suggest you to manually update the firmware of your HP printer in case the need to do so is required. Installing the firmware updates is inclusive of a short procedure. As a part of it, you have to connect your printer to an Ethernet cable when the device is on. After this, you have to enter the Settings of the device where you will come across the option for  updating the firmware. 

  • After powering on your device, ensure that an Ethernet cable has been connected to it for using the internet.
  • Select “Network” by visiting the “Screen” or”Control Panel” of your HP printer.
  • Find out your IP address to check that the device is connected to your network.
  • Now, press “Settings”.
  • The option of “Printer Update” has to be selected now.
  • This is followed by downloading the updates for the firmware as well as installing them.

Option 2: Update Using HP Printer

To update the firmware directly from your HP printer, you will require the ePrint button. Once you’re sure that the button is available, you can opt for Setup. From here, you can get the necessary firmware updates. After they have been installed, the HP laser printer 79 service error can get resolved.

  • In case your HP printer has the “ePrint” button, press it. Alternatively, you can choose the icon for “HP ePrint“.
  • Go to “Setup” from the “Settings”.
  • Find “Product Update”. Or you can select “Check Product Updates”.

Caution: In case your HP device is inclusive of menus that are text-based, you can go to “Service”, “Setup” or “Settings”. After that, you can choose “Tools”, “Printer Maintenance” or “Preferences”. Followed by this, you can pick “Web Services”, “LaserJet Update” or “Printer Update”.

  • Comply with the service terms or you can opt for logging in to your account via your account. You can go through the directions for the same on the display as well as turn on “Web Services” in case needed.
  • When the updates have been installed, your HP printer has to be manually started over. 

After starting it over, try to give a print command or use any other function. Make sure that the error code is not being generated now.

Option 3: Use HP Smart App to Update

The HP Smart App is supported by certain printer models of the brand. The application lets you install the updates for the firmware within a few minutes. Thus, with all speed, it enables you to fix the error 79 as well.  You can run the app and go to its settings. You can select the updates that are available and download them. 

  • Begin with downloading the “HP Smart App”.
  • Launch the application.
  • Pick the name of the printer for launching the setup.
  • Head to “Settings (Advanced)”.
  • Then opt for “Advanced Settings”.
  • Choose “Tools (Web Services)”.
  • Then select “Printer Updates (Product Update)”.
  • Press “Check Now”.
  • Using the directions on the display, download and install the updates for the firmware. 
  • After this, start over the device.

Fix 9: Implement Printer Troubleshooter on Windows 10

In case the HP service code 79 is being experienced while using a Windows 10 system along with it, you can run the Printer Troubleshooter. You can enter a command in Run for opening it. After that, you can click on Troubleshooting and navigate to the section titled Get up and Running. This will be accompanied by running the built-in tool for settling the error code. 

  • Launch “Run” from the “Start Menu” of Windows 10.
  • Write ”ms-settings:troubleshoot” in “Run”.
  • Push the “Enter” key. 
  • Go to the tab titled “Troubleshooting”. 
  • Scroll below to find “Get up and Running”.
  • Select “Printer”.
  • Opt for “Run the Troubleshooter”.
  • The scanning process should start now. You will be requested to wait till the process is over. 
  • During the process, certain fixes may be served as recommendations. Press “Apply”.

Note: Based on the fix that is available in the recommendation, you will be provided with the directions. These have to be manually performed by you. 

  • Now, your system has to be rebooted.

Fix 10: Connect with HP Support

In case the HP printer error code 79 service error is occurring even now, the best bet will be to connect with HP Support. Any cause that is going unrecognized to fix the issue will be identified by the HP Support team. Gradually, the team will be able to implement the exact fix for getting rid of the error code.

How Do I Troubleshoot HP LaserJet Pro 400 Service Error 79?

Users of HP LaserJet Pro 400 Printer often encounter a service error on their device. To resolve the 79 service error on HP LaserJet Pro 400 Printer, cancelling the print jobs and then removing the device has been effective. Additionally, if you have this printer, then you can check its IP address and get the latest updates available. 

To find more information about these fixes, you can read the sections presented as follows.

Fix 1: Cancel Print Jobs and Remove your HP LaserJet Pro 400 Printer

The 79 service error on HP LaserJet Pro 400 Printer can be settled by clearing all the print jobs and then removing your device. This can be done by opening the box named See What’s Printing. Here, you can find all the print jobs which have been assigned and to which accounts. Then you can remove them and further remove your HP printer by visiting the Devices and Printers section.

In case you need clear directions to do what we have described above, you can read here.

  • Begin with turning off your HP LaserJet Pro 400 Printer.
  • Ensure all the print jobs have been removed. This should be done from your main computer and any other systems.
  • Click on “See What’s Printing” in the domain network.
  • Check the print jobs assigned.
  • Sign in to the accounts to whom the print jobs have been assigned. You will be required to remove the accounts connected to the domain network.
  • Then from the “Devices and Printers” list, remove your printer.

After this fix has been performed, you can use your HP printer. The HP LaserJet Pro 400 error 79 should stop emerging on your device now.

Fix 2: Check IP Address and Install Updates for HP LaserJet Pro 400 Printer

The owners of HP LaserJet Pro 400 Printer can face the HP 79 service error when the IP Address is not correct and the updates have not been installed. To check the IP Address of your HP printer, you can visit Network via the Control Panel. Here, you can check the IP address and see to it that you are connected to the home network. Thereafter, you can open the Settings via Home and download the latest updates.

  • Ensure your HP LaserJet Pro 400 Printer has been turned on.
  • Check that the internet connection has been established on your HP printer. For this, the Ethernet can be attached to your device and router/modem.
  • Press the icon of “Network” on the “Control Panel”.
  • On your HP device, confirm its “IP Address”. In case the “IP Address” is “192.168.XXX.XXX“, you can be sure that you have been connected to the home network.
  • On the “Home Screen”, choose “Settings”.
  • Choose the option of “HP LaserJet Update”. Look for any updates available. Then download the latest updates for your HP printer. 
  • The next step is to reboot your printer. Doing so will give effect to the updates you have downloaded.
  • Now, check for the HP LaserJet Pro 400 79 service error.

 Error 79 Fixes and Compatible HP Printer Models

The fixes provided in this blog for the error 79 will work on the following models of HP LaserJet Pro Printers:

HP LaserJet Pro 200 PrinterHP LaserJet Pro 400 PrinterHP LaserJet Pro 500 Printer
HP LaserJet Pro 300 color MFP M375NW PrinterHP LaserJet MFP M277DW PrinterHP LaserJet Pro M402N Printer
HP LaserJet Pro MFP M281FDWHP Color LaserJet Pro MFP M277DW PrinterHP Color LaserJet CP5225 Printer
HP Color LaserJet Pro MFP M477

On other printer models of HP too, you can use these measures to get rid of the error 79. Some of these models have been provided here. 

HP M401 PrinterHP M401N Printer
To Wind up

The service error 79 on HP printers needs to be fixed if you wish to continue using your device. To fix it without using any hard methods, we assisted you today. Here, we showed you the fixes that will help you in removing this error in simple ways. Also, the 79 service error on LaserJet Pro 400 HP Printer can emerge in certain situations. We taught you the fixes to throw away this error from this HP printer’s model.

If you are facing any problems with your device’s printhead, then this blog on HP printhead error should help you out. Let us know in what more ways we can help you. Our comment section is accessible at all times.

Following the aforementioned steps should resolve HP LaserJet Pro 400 service Error 79. In case you need help, Call Expert @ USA/Canada +1-866-496-0452 & UK +44 2896 002856

G3 Fax Error Code

CodeCorrective Actions

R18

Check your machine. If toner or print paper is empty, supply them. If the memory is full, empty the memory.

R21

Turn the Closed Network RX function off, or inform the recipient of the correct password.

R22

Turn the Closed Network RX function off, or inform the recipient of the correct password.

R32

Change the setting for Auto Create User Box, or inform the recipient of the correct Confidential User Box number.

R50

Check the line status.

R60

Check the line status.

R63

Check the line status.

R69

Check the line status.

R72

Ask the sender to shorten the length of original to be sent before resending the fax.

R78

Turn the Main Power Switch off and back on.

R79

Turn the Main Power Switch off and back on.

R93

  • After checking with the sender, register a Confidential User Box for confidential reception.
  • Check the password for the Confidential User Box.

R94

  • After checking with the recipient, register a Relay User Box for relay distribution.
  • Check the password for the Relay User Box.

R95

Check Forward TX Setting.

R96

Inform the recipient of the correct number for the Confidential User Box.

R97

Check PC-Fax RX Setting.

R99

Turn the Main Power Switch off and back on.

HP LaserJet Pro 400 MFP M425 - Fax error messages

background image

Fax error messages

Alert and warning messages appear temporarily and might require you to acknowledge the message by

touching the

OK

button to resume or by touching 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 printing the job

after the warning has appeared for 10 seconds without acknowledgement.

Control panel message

Description

Recommended action

Communication error.

A fax communication error occurred between

the product and the sender or receiver.

Allow the product to retry sending the fax.

Unplug the product telephone cord from the

wall, plug in a telephone, and try making a call.

Plug the product phone cord into a jack for

another phone line.

Try a different phone cord.

Set the

Fax Speed

option to the

Slow(V.29)

setting or disable the

Fast(V.34)

setting.

Turn off the

Error Correction

feature to prevent

automatic error correction.

NOTE:

Turning off the

Error Correction

feature can reduce image quality.

Print the

Fax Activity Log

report from the

control panel to determine if the error occurs

with a specific fax number.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

Document feeder door is open.

Canceled fax.

The cover at the top of the document feeder is

open, and the product cannot send the fax.

Close the cover, and send the fax again.

Fax is busy.

Canceled send.

The fax line to which you were sending a fax

was busy. The product has canceled sending

the fax.

Call the recipient to ensure that the fax

machine is on and ready.

Check that you are dialing the correct fax

number.

Check that the

Redial if Busy

option is enabled.

Open the

Service

menu, and touch the

Fax

Service

button. Touch the

Run Fax Test

button.

This test verifies that the phone cord is

connected to the correct port and that the

phone line has a signal. The product prints a

report with the results.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

104 Chapter 6 Fax

ENWW

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Control panel message

Description

Recommended action

Fax is busy.

Redial pending.

The fax line to which you were sending a fax

was busy. The product automatically redials

the busy number.

Allow the product to retry sending the fax.

Call the recipient to ensure that the fax

machine is on and ready.

Check that you are dialing the correct fax

number.

Open the

Service

menu, and touch the

Fax

Service

button. Touch the

Run Fax Test

button.

This test verifies that the phone cord is

connected to the correct port and that the

phone line has a signal. The product prints a

report with the results.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

Fax receive error.

An error occurred while trying to receive a fax.

Ask the sender to resend the fax.

Try faxing back to the sender or another fax

machine.

Check for a dial tone on the phone line by

touching the

Start Fax

button.

Check that the telephone cord is securely

connected by unplugging and replugging the

cord.

Make sure that you are using the telephone

cord that came with the product.

Open the

Service

menu, and touch the

Fax

Service

button. Touch the

Run Fax Test

button.

This test verifies that the phone cord is

connected to the correct port and that the

phone line has a signal. The product prints a

report with the results.

Decrease the fax speed. Ask the sender to

resend the fax.

Turn off error-correction mode. Ask the sender

to resend the fax.

NOTE:

Turning off error-correction mode can

reduce the quality of the fax image.

Connect the product to a different phone line.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

ENWW

Solve fax problems 105

background image

Control panel message

Description

Recommended action

Fax Send error.

An error occurred while trying to send a fax.

Try resending the fax.

Try faxing to another fax number.

Check for a dial tone on the phone line by

touching the

Start Fax

button.

Check that the telephone cord is securely

connected by unplugging and replugging the

cord.

Make sure that you are using the telephone

cord that came with the product.

Make sure that the phone is working by

disconnecting the product, plugging in a

telephone to the phone line, and making a

voice call.

Connect the product to a different phone line.

Set the fax resolution to

Standard

instead of

the default of

Fine

.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

Fax storage is full.

Canceling the fax receive.

During the fax transmission, the product ran

out of memory. Only the pages that fit into

memory will be printed.

Print all of the faxes, and then have the sender

resend the fax. Have the sender divide the fax

job into multiple jobs before resending. Cancel

all fax jobs or clear the faxes from memory.

Fax storage is full.

Canceling the fax receive.

The amount of available memory for storing

faxes is insufficient to store an incoming fax.

If you are using the

Private Receive

feature,

print all received faxes to regain some memory.

If you still need more memory, clear faxes from

memory. Open the

Service

menu. In the

Fax

Service

menu, select the

Clear Saved Faxes

option.

Fax storage is full.

Canceling the fax send.

During the fax job, the memory filled. All pages

of the fax have to be in memory for a fax job to

work correctly. Only the pages that fit into

memory were sent.

Cancel the current job. Turn the product off,

and then turn it on again. Try sending the job

again.

If the error reoccurs, cancel the job and turn the

product off and then on a second time. The

product might not have enough memory for

some jobs.

106 Chapter 6 Fax

ENWW

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Control panel message

Description

Recommended action

No dial tone.

The product could not detect a dial tone.

Check for a dial tone on the phone line by

touching the

Start Fax

button.

Unplug the telephone cord from both the

product and the wall and replug the cord.

Make sure that you are using the telephone

cord that came with the product.

Unplug the product telephone cord from the

wall, plug in a telephone, and try making a

voice call.

Make sure that the phone cord from the wall
telephone jack is plugged into the line

port.

Plug the product phone cord into a jack for

another phone line.

Check the phone line by using the

Run Fax Test

option from the

Service

menu on the control

panel.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

No fax answer.

Canceled send.

Attempts to redial a fax number failed, or the

Redial if No Answer

option was turned off.

Call the recipient to ensure that the fax

machine is on and ready.

Check that you are dialing the correct fax

number.

Check that the redial option is enabled.

Unplug the telephone cord from both the

product and the wall and replug the cord.

Unplug the product telephone cord from the

wall, plug in a telephone, and try making a

voice call.

Make sure that the phone cord from the wall
telephone jack is plugged into the line

port.

Plug the product phone cord into a jack for

another phone line.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

ENWW

Solve fax problems 107

background image

Control panel message

Description

Recommended action

No fax answer.

Redial pending.

The receiving fax line did not answer. The

product attempts to redial after a few minutes.

Allow the product to retry sending the fax.

Call the recipient to ensure that the fax

machine is on and ready.

Check that you are dialing the correct fax

number.

If the product continues to redial, unplug the

product telephone cord from the wall, plug in a

telephone, and try making a voice call.

Make sure that the phone cord from the wall
telephone jack is plugged into the line

port.

Plug the product phone cord into a jack for

another phone line.

Try a different phone cord.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

No fax detected.

The product answered the incoming call but did

not detect that a fax machine was calling.

Allow the product to retry receiving the fax.

Try a different phone cord.

Make sure that the phone cord from the wall
telephone jack is plugged into the line

port.

Plug the product phone cord into a jack for

another phone line.

If the error persists, contact HP. See

www.hp.com/support/ljm425series

or the

support flyer that came in the product box.

49 Error HP LaserJet (all models)

The 49 error codes on HP LaserJet printers are communication error codes. They can be hard to troubleshoot as quite a few culprits cause 49 errors.  Also, these errors can be just temporary errors that clear with a reboot, or more permanent errors that actually require a hardware replacement.  Here are some tips for resolving 49 error codes on HP LaserJet printers.

First, the general advice is to assume it's a temporary error.  Turn the printer off, unplug the printer from the network/computer, clear any pending jobs from the print queue (on the computer), then reboot the printer to make the 49 error disappear.   Then you can reconnect the network/computer cable and try printing again.

Second, a mismatched or corrupted driver can cause 49 errors.   Try to remember if the 49 error only occurs during certain print jobs (for example only when printing from custom software or only when printing a certain document that is more complex or memory-intensive than average).  In those cases, it's very possible that a mismatched or corrupted driver has been assigned to the printer.  Faulty drivers can send bad data to the printer, cause confusion and trigger the 49 error.  Try downloading & replacing with a different driver; we usually recommend PCL5 drivers and PostScript drivers (not PCL6).  Finding the right driver can take a good bit of experimentation.  If you're unfamiliar with drivers, see our tutorial here: Installing printer drivers tutorial.

A faulty JetDirect network card can also trigger a 49 error.  You can test "around" the JetDirect network card by connecting to the printer via an alternate connection like a USB or parallel port, and see if the same jobs print ok when you bypass communicating through the network card.  Replace the JetDirect card if needed; we have JetDirect cards here on our JetDirect page . Many of the modern LaserJet printers don't use JetDirect cards and just have the network port directly soldered onto the main system board (called the formatter assembly).  In those cases you would need to replace the entire formatter assembly.

A failing accessory or failing memory chip installed in the formatter slots can cause a 49 error.  Common accessories include optional hard drives, memory chips, etc.  If you suspect one of these items, try removing the accessories or memory chips one at a time and rebooting to see if anything improves with a certain accessory or memory chip missing. We stock hard drives, accessories, and memory at PrinterTechs; if you need to replace anything give us a call toll-free 866-352-7108 or local 608-831-2396.

Finally, a failing formatter can also cause 49 errors.  There are certain models that are notorious for formatter failures, and there are other models where formatters basically never fail.   To be clear, the formatter assembly is the circuit board that controls the logic, receives data from the computer, and issues the print commands.  The LaserJet P3005 is a prime example of a printer with notorious formatter failures. (read more about the P3005 model Replacing the Formatter HP LaserJet P3005 P3005D P3005N P3005DN P3005X).  Other popular models that often have formatter failures are the LaserJet P2015, LaserJet M2727, LaserJet M3027, LaserJet M3035.

Call us with any questions -- toll-free 866-352-7108 or local 608-831-2396.

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