# 1-866-203-7571 How to Fix 79 Service Error HP Printer? | Printer Tales
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If you use an **HP printer** in your home or office, you may have encountered the frustrating **79 Service Error**. This error typically appears on the printer’s control panel screen and may cause the device to freeze, restart repeatedly, or stop printing altogether. The message often reads:
> **79 Service Error. Turn off then on.**
While this error can seem alarming, the good news is that it is usually fixable without replacing your printer. In this comprehensive guide by **Printer Tales**, we will explain what the 79 Service Error means, what causes it, and step-by-step solutions to resolve it.
If you need immediate assistance, call 📞 **1-866-203-7571** for expert help.
# What Is 79 Service Error on HP Printer?
The **79 Service Error** on an HP printer is a firmware-related error. It usually occurs when the printer encounters:
* Corrupt print jobs
* Faulty firmware
* Network communication problems
* Driver conflicts
* DIMM (memory module) issues
This error is common in LaserJet printers, especially business-class models.
Some affected models may include:
* HP LaserJet Pro M404dn
* HP LaserJet Pro MFP M428fdw
* HP LaserJet Enterprise M507dn
But the solutions in this guide apply to most HP LaserJet printers.
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# What Causes 79 Service Error?
Understanding the root cause helps you apply the right fix. Below are the most common reasons:
### 1️⃣ Corrupted Print Job
A damaged or incompatible file (PDF, Word document, etc.) sent to the printer can trigger the error.
### 2️⃣ Outdated Firmware
Old firmware may conflict with new operating systems or drivers.
### 3️⃣ Network Issues
Improper IP configuration or unstable connections can cause communication errors.
### 4️⃣ Faulty Printer Driver
Corrupt or incompatible drivers often lead to system-level printer failures.
### 5️⃣ Hardware Problems
In rare cases:
* Defective network card
* Bad memory DIMM
* Formatter board failure
If you are unsure about the cause, contact Printer Tales support at 📞 **1-866-203-7571**.
# Method 1: Restart the Printer (Basic Reset)
This is the simplest and often most effective solution.
### Steps:
1. Turn off the printer.
2. Unplug the power cable from the back.
3. Disconnect:
* USB cable
* Ethernet cable
4. Wait 60 seconds.
5. Plug the power cable back in.
6. Turn the printer ON.
👉 If the printer turns on without showing the error, the issue was likely caused by a corrupt print job.
If the error returns immediately, continue to the next method.
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# Method 2: Clear Print Queue
A corrupt file stuck in the queue is one of the biggest triggers of the 79 Service Error.
## For Windows Users:
1. Press **Windows + R**
2. Type: `services.msc`
3. Find **Print Spooler**
4. Right-click → Stop
Now navigate to:
```
C:\Windows\System32\spool\PRINTERS
```
Delete all files in this folder.
Then:
* Go back to Services
* Right-click Print Spooler
* Click Start
Restart your printer.
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## For Mac Users:
1. Go to System Settings
2. Click Printers & Scanners
3. Select your HP printer
4. Open Print Queue
5. Cancel all pending jobs
Restart the printer afterward.
If the problem persists, call 📞 **1-866-203-7571**.
# Method 3: Update HP Printer Firmware
Outdated firmware is one of the most common causes of 79 Service Errors.
### Why Firmware Matters?
Firmware controls:
* Print communication
* Network functionality
* System processing
Updating it can permanently resolve the issue.
### Steps to Update:
1. Visit the official HP support website.
2. Enter your printer model.
3. Download the latest firmware update.
4. Install it on your computer.
5. Follow on-screen instructions.
⚠️ Do not turn off the printer during firmware updates.
After updating, restart your printer and test printing.
# Method 4: Reinstall Printer Driver
Driver corruption can trigger 79 errors repeatedly.
## Step 1: Uninstall Driver
### Windows:
* Go to Control Panel
* Devices and Printers
* Right-click your HP printer
* Remove Device
### Mac:
* Open Printers & Scanners
* Remove printer
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## Step 2: Download Fresh Driver
Download the latest compatible driver from HP’s official website.
Install it and reconnect your printer.
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# Method 5: Check Network Configuration
Sometimes the issue is caused by IP conflicts.
### Fix:
1. Print a configuration page.
2. Check current IP address.
3. Access router settings.
4. Assign a static IP to the printer.
This prevents communication interruptions.
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# Method 6: Disable Advanced Printing Features
Certain print features can cause compatibility issues.
### Windows:
1. Open Devices and Printers
2. Right-click printer → Printer Properties
3. Go to Advanced tab
4. Uncheck:
* Enable Advanced Printing Features
Click Apply → OK
Restart printer.
**Call Support: 1-866-203-7571**
# Method 7: Remove External Accessories
If your printer has:
* Extra memory DIMMs
* Additional network cards
Turn off the printer and remove them temporarily.
Restart printer and check.
If error disappears, one of the accessories may be faulty.
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# Method 8: Factory Reset Printer
⚠️ This will erase all settings.
Steps vary by model, but generally:
1. Turn printer off
2. Hold Cancel or OK button
3. Turn printer on
4. Release when reset menu appears
Select Restore Factory Settings.
Reconnect to network and test print.
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# Advanced Troubleshooting (Enterprise Models)
For enterprise printers like:
* HP LaserJet Enterprise MFP M630
* HP LaserJet Enterprise M604
You may need to:
* Check JetDirect card
* Replace formatter board
* Reflash firmware via USB
These steps require technical expertise. Call 📞 **1-866-203-7571** for professional support.
# Preventing 79 Service Error in the Future
Here are some preventive measures:
✅ Keep firmware updated
✅ Use genuine HP drivers
✅ Avoid cancelling large print jobs mid-process
✅ Regularly clear print queue
✅ Assign static IP to network printers
✅ Use surge protector
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# Frequently Asked Questions (FAQ)
### Q1: Is 79 Service Error a hardware problem?
Usually no. Most cases are firmware or driver-related.
### Q2: Can a virus cause 79 Service Error?
Rarely, but corrupted files from infected systems may trigger it.
### Q3: Do I need to replace my printer?
Not in most cases. The issue is usually fixable.
### Q4: Does resetting printer fix it?
Often yes, especially if caused by a bad print job.
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# When to Contact Support?
You should call Printer Tales at 📞 **1-866-203-7571** if:
* Error returns immediately after restart
* Printer keeps rebooting
* Firmware update fails
* Hardware component appears damaged
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# Conclusion
The **79 Service Error** on HP printers may look serious, but it is usually manageable with the right troubleshooting steps. In most cases, clearing the print queue, updating firmware, or reinstalling the driver resolves the issue quickly.
If you follow this complete guide from **Printer Tales**, you can restore your printer without expensive repairs.
However, if you prefer expert assistance, call 📞 **1-866-203-7571** for fast and reliable HP printer support.
**Call Support: 1-866-203-7571**
## Printer Tales – Your Trusted Printer Support Partner
Whether it’s firmware issues, offline errors, paper jams, or connectivity problems, Printer Tales provides reliable guidance for all HP printer issues.
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