Epson C4100 Reference Manual - Page 310

Wrong Photoconductor An inappropriate photoconductor unit is installed. Install only the photoconductor unit listed in "Consumable products" on page 27. See "Photoconductor unit" on page 228 for instructions on replacing the photoconductor unit. Wrong Toner xxxx An inappropriate toner cartridge is installed. Install only the toner cartridge listed in "Consumable products" on page 27. See "Toner Cartridge" on page 222 for instructions on replacing the photoconductor unit. (The letters C, M, Y, or K appear in place of XXXX and indicate the colors Cyan, Magenta, Yellow, and Black respectively.) XXXX Toner Low The indicated toner cartridges have less than 10% of toner remaining. (The letters C, M, Y, or K appear in place of XXXX and indicate the colors Cyan, Magenta, Yellow, and Black respectively.) You can continue to print until the Replace Toner xxxx error message appears. Waiting until this message appears before replacing the toner is recommended as toner may spill during replacement if toner remains in the cartridge. When printouts become faint, see "Toner Cartridge" on page 222 for instructions. Note: Do not replace the toner cartridge when the xxxx Toner Low message appears. Toner remaining in the toner cartridge may spill out if you remove the toner cartridge to replace it. Replace the toner cartridge when the Replace Toner xxxx message appears. 310 Troubleshooting