79 Service error
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.
- HP LaserJet Pro 400 MFP M425
- >
- Solve problems
- >
- Interpret control panel messages
- >
- Control panel messages
- >
- 79 Service error
HP LaserJet Pro 400 MFP M425 - 79 Service error
HP LaserJet Pro 400 MFP M425 > 79 Service error
- Product introduction
- Paper tray
- Print
- Supported printer drivers (Windows)
- Change print-job settings (Windows)
- Change print-job settings (Mac OS X)
- Print tasks for Windows
- Use a printing shortcut (Windows)
- Create a printing shortcut (Windows)
- Automatically print on both sides with Windows
- Manually print on both sides with Windows
- Print multiple pages per sheet with Windows
- Select the page orientation (Windows)
- Select the paper type (Windows)
- Print the first or last page on different paper (Windows)
- Scale a document to fit page size (Windows)
- Create a booklet (Windows)
- Print tasks for Mac OS X
- Use a printing preset (Mac OS X)
- Create a printing preset (Mac OS X)
- Automatically print on both sides (Mac OS X)
- Manually print on both sides (Mac OS X)
- Print multiple pages on one sheet of paper (Mac OS X)
- Select the page orientation (Mac OS X)
- Select the paper type (Mac OS X)
- Print a cover page (Mac OS X)
- Scale a document to fit page size (Mac OS X)
- Create a booklet (Mac OS X)
- Additional print tasks (Windows)
- Additional print tasks (Mac OS X)
- Create archival-quality prints
- Use HP ePrint
- Use AirPrint
- Walk-up USB printing
- Copy
- Make a single copy
- Make multiple copies
- Copy a multiple-page original
- Collate a copy job
- Copy on both sides (duplex)
- Reduce or enlarge a copy
- Copy identification cards
- Optimize copy quality
- Adjust the lightness or darkness for copies
- Copy in draft mode
- Set the paper size and type for copying on special paper
- Set new default copy settings
- Restore copy default settings
- Scan
- Fax
- Connect fax to a telephone line
- Set up fax with a telephone answering machine
- Set up fax with an extension phone
- Setup for stand-alone fax
- Configure the fax time, date, and header
- Use special characters in fax headers
- Use the phone book
- Configure send fax settings
- Configure receive fax settings
- Set fax forwarding
- Set the answer mode
- Block or unblock fax numbers
- Set the number of rings-to-answer
- Set distinctive ring
- Set notification for new fax received to computer
- Use autoreduction for incoming faxes
- Set fax reprint settings
- Set the fax sounds volume
- Set stamp-received faxes
- Set the private receive feature
- Set fax polling
- Use fax
- Supported fax programs
- Cancel a fax
- Delete faxes from memory
- Use fax on a DSL, PBX, or ISDN system
- Use fax on a VoIP service
- Fax memory contents are retained when there is a loss of power
- Security issues when connecting internal networks to public phone lines
- Fax from the flatbed scanner
- Fax from the document feeder
- Use speed dials and group-dial entries
- Send a fax from the software
- Send a fax by dialing from a telephone connected to the fax line
- Send a fax with confirmation
- Schedule a fax to be sent later
- Send a fax combining an electronic and paper document
- Use access codes, credit cards, or calling cards
- Print a fax
- Reprint a fax
- Automatically print on both sides of received faxes
- Receive faxes when fax tones are audible on the phone line
- Receive faxes to a computer
- Solve fax problems
- Fax troubleshooting checklist
- Fax trace report
- Fax error report printing
- Set the fax-error-correction mode
- Change the fax speed
- Fax error messages
- Solve problems sending faxes
- An error message displays on the control panel
- The control panel displays a Ready message with no attempt to send the fax
- The control panel displays the message "Storing page 1" and does not progress beyond that message
- Faxes can be received, but not sent
- Product is password protected
- Unable to use fax functions from the control panel
- Unable to use speed dials
- Unable to use group dials
- Receive a recorded error message from the phone company when trying to send a fax
- Unable to send a fax when a phone is connected to the product
- Solve problems receiving faxes
- The fax does not respond
- The fax has a dedicated phone line
- An answering machine is connected to the product
- A telephone handset is connected to the product
- The Answer Mode setting is set to the Manual setting
- Voice mail is available on the fax line
- The product is connected to a DSL phone service
- The product uses a fax over IP or VoIP phone service
- An error message displays on the control panel
- A fax is received but does not print
- Sender receives a busy signal
- No dial tone
- Cannot send or receive a fax on a PBX line
- The fax does not respond
- Solve general fax problems
- Manage and maintain
- Use the HP Reconfiguration Utility to change the product connection
- Set up HP Wireless Direct Printing
- Use HP Web Services applications
- Configure IP network settings
- HP Device Toolbox (Windows)
- HP Utility for Mac OS X
- HP Web Jetadmin
- Product security features
- Economy settings
- Print when a toner cartridge is at estimated end of life
- Store and recycle supplies
- Replacement instructions
- Memory
- Update the firmware
- Solve problems
- Solve problems checklist
- Step 1: Make sure that the product is set up correctly
- Step 2: Check the cabling or wireless connection
- Step 3: Check the control panel for error messages
- Step 4: Check the paper
- Step 5: Check the software
- Step 6: Test print functionality
- Step 7: Test copy functionality
- Step 8: Check the toner cartridge
- Step 9: Try sending a print job from a computer
- Step 10: Verify that the product is on the network
- Restore the factory-set defaults
- Control panel help system
- Interpret control panel messages
- Control panel message types
- Control panel messages
- 49 Error, Turn off then on
- 50.x Fuser Error
- 51.XX Error
- 54.XX Error
- 55.X Error
- 57 Fan Error, Turn off then on
- 59.X Error
- 79 Error Turn off then on
- 79 Service error
- Black cartridge low
- Black cartridge very low
- Cleaning
- Device error, press OK
- Door open
- Genuine HP supply installed
- Incompatible black
- Install black cartridge
- Invalid driver Press [OK]
- Jam in Tray 1, Clear jam and then press OK
- Load Tray 1 <TYPE> <SIZE>, Press OK to use available media
- Load Tray 1, <PLAIN> <SIZE> / Cleaning mode, OK to start
- Load tray <X> Press [OK] for available media
- Load tray <X> <TYPE> <SIZE>
- Manual Duplex Load Tray 1, Press OK
- Manual feed <SIZE> <TYPE>, Press OK to use available media
- Memory is low. Press OK.
- Misprint, Press OK
- Print failure, press OK. If error repeats, turn off then on.
- Rear door open
- Remove shipping material from toner cartridge
- Replace black cartridge
- Unexpected size in tray <X> Load <size> Press [OK]
- Unsupported black cartridge Press [OK] to continue
- Used black cartridge is installed Press [OK] to continue
- Paper feeds incorrectly or becomes jammed
- Clear jams
- Improve print quality
- Solve copy quality problems
- Solve scan quality problems
- Solve scan to email problems
- Solve scan to network folder problems
- Solve fax quality problems
- Check the scanner glass for dirt and smudges
- Check the send-fax resolution setting
- Optimize for text or pictures
- Check the error correction setting
- Send to a different fax machine
- Clean the pickup rollers and separation pad in the document feeder
- Check the fit-to-page setting
- Check the sender's fax machine
- Perform a fax diagnostic test
- The product does not print or it prints slowly
- Solve walk-up USB printing problems
- Solve direct connection problems
- Solve wired network problems
- Poor physical connection
- The computer is using the incorrect IP address for the product
- The computer is unable to communicate with the product
- The product is using incorrect link and duplex settings for the network
- New software programs might be causing compatibility problems
- The computer or workstation might be set up incorrectly
- The product is disabled, or other network settings are incorrect
- Solve wireless network problems
- Wireless connectivity checklist
- The product does not print after the wireless configuration completes
- The product does not print, and the computer has a third-party firewall installed
- The wireless connection does not work after moving the wireless router or product
- Cannot connect more computers to the wireless product
- The wireless product loses communication when connected to a VPN
- The network does not appear in the wireless networks list
- The wireless network is not functioning
- Perform a wireless network diagnostic test
- Reduce interference on a wireless network
- Solve product software problems with Windows
- Solve product software problems with Mac OS X
- The print driver is not listed in the Print & Fax or Print & Scan list
- The product name does not appear in the product list in the Print & Fax or Print & Scan list
- The print driver does not automatically set up the selected product in the Print & Fax or Print & Sc
- A print job was not sent to the product that you wanted
- When connected with a USB cable, the product does not appear in the Print & Fax or Print & Scan list
- You are using a generic print driver when using a USB connection
- Remove software (Windows)
- Remove software (Mac OS X)
- Solve problems checklist
- Supplies and accessories
- Index
HP LaserJet Pro 400 MFP M425
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