No response from printer. No buttons will work ERROR MESSAGE 05F37C2B and On/Off sign shown Cannot switch off with buttons.

HI............
Issue Description: Print cannot boot up into ready state with an error message shown on printer control panel. The error messages include ERROR: B0601/ B0602/ B0603/ B0604/ B0605. Root Cause: Firmware crashes. Note: Inappropriate behavior may cause firmware crash. For example, a printer is turned off when critical firmware update is undergoing. Solution: Firmware Update Utility.
There are two use cases when encountering the issue: Instructions for Use case 1: driver is previously installed on PC

1. Place printer in bootcode mode.
   1. Hold down the Cancel and OK buttons.
   2. Power on printer.
   3. Continue to hold down buttons until control panel dislpays Hewlett- Packard on the first line and Bootcode on the second line.
2. Please observe the printer control panel and verify Downloading Update Data is displayed on control panel followed by Programming App Flash; please wait for upgrade utility to finish. Printer would be restarted automatically and the control panel display would show Ready .

Then the firmware is now successfully recovered. Instructions for use case 2: driver is NOT previously installed

1. 1. Insert printer installation CD.
   2. In Windows OS, please go to Start , Settings , Printers and Faxes .
   3. Click Add a printer to start Add Printer Wizard as shown blow and click on Next button.
   4. Check Local printer attached to this computer box; uncheck Automatically detect and Install my Plug and Play printer box and click on Next button.
   5. Select FILE:(Print to File) in the Use the following port: dropdown list and click on Next button.
   6. Click Have Disk... button.
   7. Browse to the CD drive in which the printer installation CD is inserted previously and click OK button.
   8. Highlight the HP LaserJet P2050 Series PCL 6 found in the printer installation CD and click on Next button.
   9. Specify the Printer name and click on Next button.
   10. Select No for Do you want to print a test page? and click on Next .
   11. Click the Finish button and allow driver to install as shown below.
   12. Verify printer is listed in Printer and Faxes window as shown below:
2. Place P2055 in boot code mode:
   1. Hold down the Cancel and OK buttons.
   2. Power on printer.
   3. Continue to hold down buttons until control panel dislpays Hewlett-Packard on the first line and Bootcode on the second line Printer is now in bootcode mode.
3. In the Printer and Faxes window, right click on the HP LaserJet P2050 Series PCL6 icon and select Properties .
4. Click the Ports tab and view the USB ports as shown below.
   NOTE: If more than one (USB001) please take note of all listed ports, as other installed printers may have USB ports (USB002, USB003, etc).
5. Close Properties window.
6. Plug in USB cable from to PC
7. The Found New Hardware Wizard will pop up, and tje printer USB enumeration will happen.
8. Open printer properties and select Ports tab again.
9. In ports tab, tick the correct port that the HP LaserJet P2050 series printer is enumerated on and click OK .
10. Click Cancel on Found New Hardware wizard window.
    NOTE: Not the driver is installed and it is pointed to correct USB port.
11. Run HP LJ P2055 Firmware Update Utility.

Please try the following:
Remove the cartridges that you just replaced. Ensure that they are compatible with your HP 8450 printer. Make sure that none of the electrical contacts on the printer or cartridges are damaged and that there is no obstruction in the cartridge port. Turn printer main power off, and then back on with the cover closed. If the error code is now gone, open the cover and install the new cartridges as described in the manual. Also, did you remove the protective nozzle covers from the cartridges?
Good luck,
GaugeMan

1-Press "Tray" button or "Paper" button from the panel.
2-Select the paper size from the menu shown.
3-Now press the start button. No caution will appear.Next time use the same procedure for making copies.

helllo you have to replace new toner

1. Switch ignition OFF.
2. Press and hold button "A" - fig. 1 or fig. 2.
3. Turn ignition key to position "I".
4. After 5 seconds the words "OIL SERVICE" or "INSPECTION" are shown together with the message "reset" or "re".
5. Release button "A". Press and hold button "A". After a futher 5 seconds the message "reset" starts to flash.
6. Release button "A". Press and release button "A" again.
7. The new service interval is now displayed.
8. Press and release button "A". The message "END SIA" is now displayed.
8. Switch ignition OFF.

Fig. 1




Fig. 2




Please rate my response. Thanks!

* Connected Printer to a Power source, Turn off the printer if printer on
* With the Printer power off, press the Power button while press and hold Stop/Reset button.
* When the Power led is light, press Stop/Reset button two times while pressing and holding the Power button.
* When releasing the Power button and the Stop/Reset button (regardless of order), the printer will move into a service mode. (Waiting for menu selection)
* When the on/off lights in green, press the Stop/Reset button four times to reset the ink. (Each time the Stop/Reset button is pressed, the LED lights alternately in orange and green, starting with orange).
* Press on button
* Unplug cable power from a power source.
* Then plug back in and power up the unit.

Fro our Fixya community:

Try holding down the OK, Cancel, Black, and Color buttons all at once. While holding them down, press the On button to power it off (You may need another person if you lack large, coordinated hands). Turn it back on while still holding the other buttons down. You will notice it turn itself off before "booting" fully. After it turns itself off, you can finally let go of those buttons and turn it back on normally. This will force a reset and system maintenance.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe


I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309

you can also use the SSC service utility

I had the same error message. I also tried every compartment... Here's ultimately what my problem/solution was...

I turned the printer around and fully opened the back cover. I found that one of my kids had somehow fed a small piece of paper/cardboard into the printer. When I opened the back cover all the way I could see that obstruction (which I hadn't seen before). Pulled it out, and the error message went away. Works fine now.

whats your printer model?clean the catridge contacts and the print head insert it again properly then switch off and on,do a hard reset from the menu button ,and make sure your using a genuine catridge most especially if your printer is hp product.that should work