Ricoh Aficio GX7000 - Cover Open; Print Cartridge(S) Not Detected

Cover Open / Print Cartridge(s) Not Detected
The right front cover is open. Close the right front cover. Alternatively, the print cartridges are not installed
or are installed incorrectly. Install the print cartridges correctly.
If the cover is open:
1. Close the right front cover.
BAJ009S
If the print cartridges are not installed or are installed incorrectly:
1. Open the right front cover.
BAJ003S
2. Push in the cartridge using the PUSH area.
BAJ075S
Status Monitor Errors
231
6