HP DesignJet L28500 error codes with quick guide – Compatible Printer model: HP DesignJet L28500 – HP DesignJet L28500 Error Codes with instructions guide: HP DesignJet L28500 Code: 01.0:03 Description: Main PCA electronics error Causes: The Main PCA has failed to respond. Remedy: Switch the power off at the rear of the printer, wait briefly, […]