Upgrade Background
HP has pushed new firmware to printers used with CF500 series cartridges in Nov. 2nd through WiFi and wired network, causing the replacement chips to be unrecognized by the corresponding upgraded printer and it reports “Supply problem”.
To reduce the impact of the firmware upgrade. Please follow belowing steps.
1. Find Firmware Datecode
Select "System Setup" on the Setup Menu and click "Firmware Datecode".
2. Disable "Check Automatically" and "Allow Updates"
If the firmware version is not 20201021, you can disable "Check Automatically" and "Allow Updates" to avoid upgrade.
2.1.Click LaserJet Update
2.2. Choose Manage Updates
2.3. Choose "Check Automatically" and "Allow Updates"
2.4 . Choose No
3. Allow Downgrade
If the printers firmware version has been the latest 20201021, you are recommended to downgrade the firmware.
Download the old firmware.
Send firmware after choosing the matched printer.
Firmware will be downgraded in five minutes.
*Please connect the printer via USB for downgrading.
4. Disable "Check Automatically" and "Allow Updates" after Downgrading
After downgrading the firmware version, please remember to disable "Check Automatically" and "Allow Updates" by following Step 1 & 2.
