You can also add more memory to the printer as described in “Memory Module” on page 170.

RAM Check

The printer is ready to receive data and print.

In this mode, the remaining amount of the toner cartridge for each color is displayed in seven levels.

Ready

The printer is ready to receive data and print.

In this mode, the remaining amount of the toner cartridge for each color is displayed in seven levels.

Replace Photoconductor

The photoconductor has reached the end of its service life. Turn off the printer, then replace the photoconductor unit with a new one. See “Photoconductor Unit” on page 187 for instructions.

The error clears automatically after you replace the unit and close all printer covers. The photoconductor service life counter is reset automatically.

Replace Toner xxxx

The indicated toner cartridges are out of toner and need to be replaced. (The letters C, M, Y, or K appear in place of XXXX and indicate the colors Cyan, Magenta, Yellow, and Black respectively.)

See “Toner Cartridge” on page 181 for instructions.

Replace TransferUnit

The transfer unit has reached the end of its service life. Turn off the printer, then replace the transfer unit with a new one. See “Transfer Unit” on page 198 for instructions.

262Troubleshooting