HP printers are smart machines that can make documenting and preserving a large number of files a breeze, regardless of how reliant we are on the cloud. These printers are equipped for high efficiency, but they sometimes become unable to print due to internal mechanical problems or external situational factors. Your printer will show the errors as a coding error. HP 79 Service Error is one such error. In this post, we'll go through the causes of this mistake, how to repair it, and how to keep your printer in good working order.

You can resolve this issue by following certain steps recommended by HP Support Phone Number

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The firmware of your device may be out of date.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 errors.
In case the file you are printing is quite large, the error code will bother you.
Method 1: Perform other tasks
Step 1: Network replacement

Replace your network cable and the cycle power

Step 2: Removal of Network

Try removing the network and the cycle power

Step 3: Remove the DIMMs of the Printer

Try removing DIMMs for once and the cycle power

Step 4: Test the motherboard of the printer

To test the motherboard, you will have to print by using a parallel interface through a parallel cable.

Step 5: Cold reset

When the network is removed, perform a Cold Reset in the printer

Step 6: Now replace the Network or EIO Card

When the network cable is removed and the problem still persists, try replacing the Network or EIO Card

Step 7: Replace the DIMMs Firmware of the printer

Next, you will have to perform the action of replacing the DIMMs Firmware

Step 8: Try replacing Formatter Board

If the error still exists, users can replace the Formatter Board of the Printer

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