HP M506 M601 M602 M603 M604 M605 M606 M552 M553 Printer Firmware Update Procedure
Updated: Jun 22, 2020
It can resolve 49.xx.xx & 99.xx.xx error codes on HP laser printers
This applies to M506 M601 M602 M603 M604 M605 M606 M552 M553.
Symptoms
99. Error Codes
49. Error Codes
1) Turn printer off.
2) Disconnect Ethernet from network.
3) Insert FAT32 formatted thumbdrive with firmware update in the root directory (must be the .bdl file, not the .zip file) into the USB port on/near the control panel.
4) Turn the printer on. After LEDs turn on second time hit orange X.
5) Blue Pre-Boot menu should appear.
6) Highlight ADMINISTRATION and hit OK.
7) Highlight MANAGE DISK and hit OK.
8) Highlight BOOT DEVICE and hit OK.
9) Highlight SECURE ERASE and hit OK (This should take about 5-10 seconds).
10) Hit the back button a few times until you see the option for DOWNLOAD. Highlight PARTIAL CLEAN and hit OK.
11) Highlight FORMAT DISK and hit OK (It should tell you that you will need to rewrite firmware, hit OK).
12) Highlight DOWNLOAD and hit OK.
13) Highlight USB THUMBDRIVE and hit OK. It should display the filename of the firmware file on your thumbdrive. Hit OK to start the firmware update/rewrite.
14) When the display says "CLOSING REPOSITORY, hit the back button until CONTINUE is highlighted then hit OK.
The printer will reboot. It may go blank or shut itself off and turn back on or reboot again. It may even come up with a USED BOARD or DISK error. This is normal, do not interfere, just let it do its thing. It will take a few minutes and eventually it should require that you enter setup information like the language, date and time.
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