SOURCE: how to uprade the firmware
https://global.dymo.com/enUS/RNW/RNW.html?pg=std_adp.php&p_faqid=101
SOURCE: Firmware Upgrade Problem
the code 37,024.42 suggests a hardware failure
according to the error code manual
https://www.office.xerox.com/partners/products/Phaser8500/SQRG/03_error_codes.pdf
Drum heater relay board disconnect. Both drum heater relay coils are not drawing the expected power from the supply.
I hope this helps
SOURCE: Firmware updates for hp CLJ 47000dn
you can down load and software and firmware for free from HP's website.
hope this helped
please rate well
If you need further help, reach me via phone at https://www.6ya.com/expert/mark_445a24324be9eb03
SOURCE: Reverse Firmware Upgrade
http://www.fixyourownprinter.com/forums/printer/56368
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There are two different print engines used in the CLP-300. One for
2006, and a different one starting in 2007. I have the older 2006
printer, and the current firmware is only for the new 2007+ print
engine.
I talked to Samsung support here in Korea and fixed the
problem. They sent me to their special tech support website at
www.1479.co.kr (only in Korean) and I was able to download an older
version of the firmware which restored my printing ability.
The latest version of firmware that worked with my printer was found in this post: http://www.bassmania.co.kr
Download
the two files at the top, then extract the archive. Drag-n-drop the
correct firmware file onto "usblist2.exe" and the printer will be
flashed with the firmware (must be connected via USB if you're using
the CLP-300N model).
SOURCE: I need to downgrade to previous firmware for
Unfortunately, once you install a firmware upgrade it is permanent. Driver updates can be reversed but not firmware. That is why you should always have a definite reason for upgrading the firmware.
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