Thanks for this recommended approach. The cartridge I replaced with the used OEM cartridge was a refillable. I topped it up and returned it to the printer. After this the MAINTENANCE CARTRIDGE error message did not re-appear.
It took a while to work out how to open the ink bay cover to...
I haven't used my Epson 3880 for a while but it usually starts up well. This time a nozzle check failed to print LK. I opened the ink bay cover and replaced the LK cartridge with a slightly used OEM cartridge. When I closed the ink bay cover the printer displayed the message "INSTALL THE...