HP LaserJet Pro MFP M126 Plus Multifunction Printer
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— answers from the official manualAnswers from the official manual.
Common questions
Common Questions
10 totalWhere can I find my printer PIN if I need it during setup?
If prompted to enter a printer PIN during or after setup, you can find the PIN on the ID label inside the cartridge access area.
What does error code E3 mean?
The E3 error code indicates that the cartridge needs attention. You should install the print cartridge or check if the HP original cartridge is installed correctly.
What should I do if the HP software cannot find my printer?
First, try removing and reconnecting the USB cable. If the problem persists, disconnect the printer from your Windows PC, search for and open Printers & scanners, select your printer name from the list, select Remove, restart your computer, then rerun the HP printer software from 123.hp.com. If issues continue, go to Device Manager, update the USB root hub driver under Universal Serial Bus controllers, ensure your operating system is current, and rerun the HP software.
What does the H1 error code indicate?
The H1 error code indicates that the printer is printing on both sides manually. You should load the pages into the input tray to print the second side and then press the Start Copy button to continue.
What should I do if I get an E0 error code?
The E0 error code indicates that paper is jammed in the printer. You should clear the jam to resolve this issue.
What does the E2 error code mean and how do I fix it?
The E2 error code means the cartridge door is open. You should verify that the printer cartridge door is closed fully to resolve this error.
Full Manual
8 pages
Setup Guide HP LaserJet Pro MFP M126a plus
2 2 Open the output tray extender. Caution: Do not pull the instruction sheet from the printer before removing the toner cartridge. Remove the orange tape from the printer. 1 Printer Setup Lift the scanner assembly. Flip the instruction sheet down (do not remove it yet). Lift and hold up the instruction sheet (do not remove it yet). Open the toner door. Remove the foam. Remove the toner cartridge. Remove the instruction sheet and attached orange plastic.
3 3 Shake the cartridge (5 - 6 times) to distribute the toner evenly.
4 Load the paper. 7 6 Insert the paper tray until it clicks. Install the HP printer software from 123.hp.com 8 123.hp.com Slide out the guides. Adjust the guides. Need more help with setup? hp.com/support/printer-setup
5 4 5 6 7 3 2 1 8 Optional cable security lock 9 Power cord port 10 USB port 10 8 9 1 Cartridge access 2 Output tray extender 3 Input tray 4 Scanner assembly 5 Output tray 6 Control panel 7 Small paper adapter Printer features LED screen Up/Down button Number of Copies light Darker/Lighter Copy light Reduce/Enlarge Copy light Select button Power button Ready light Attention light Toner Alert light Cancel button Start Copy button Control panel Reference Guide See error code page for more information.
6 Remove the adapter from the storage slot on the right side of the paper input area. To print on paper shorter than 185 mm (7.28 in), install the adapter on the paper guide. Adjust tray for small paper sizes 1 Load the paper.
7 Locate printer PIN If prompted to enter a printer PIN during or after setup, find the PIN on the ID label inside the cartridge access area. Printer error codes Code Description Solution
E0
Paper is jammed Clear the jam.E1
Input tray is empty Load paper.E2
Cartridge door is open Verify the printer cartridge door is closed fully.H1
Printing on both sides manually Load the pages into the input tray to print the second side. Press Start Copy button to continue.E3
Cartridge needs attention Install the print cartridge / check if the HP original cartridge is installed correctly.E4
Toner cartridge is very low Press Start Copy button to continue or replace the toner cartridge.
USB and connectivity help If the HP software is unable to find the printer, try the following to resolve the issue.
Try this first:
If the problem persists, try these steps:
If the problem still persists, then try these steps: