Epson C4100 Reference Manual - Page 222

If a consumable product reaches the end of its service life, the printer stops printing and displays the following messages on the LCD panel or the window of EPSON Status Monitor 3. When this happens, the printer cannot resume printing until you replace the depleted consumable products. LCD Panel Message Replace Toner xxxx* Replace Photocondctr Replace Transfer Unit Description The indicated toner cartridges are empty. Printing has stopped to avoid damage to the engine. The transfer unit has reached the end of its service life. * The letters C, M, Y, and K appear in this position, indicating the color of the toner to be replaced. For example, the message Y Toner Low means that the amount of toner remaining in the yellow toner cartridge is low. Note: Messages appear for one consumable product at a time. After replacing a consumable product, check the LCD panel for replacement messages for other consumable products. Toner Cartridge Handling precautions Always observe the following handling precautions when replacing imaging cartridges. ❏ Installing a genuine toner cartridge is recommended. Using a non-genuine toner cartridge may affect print quality. EPSON shall not be liable for any damages or problems arising from the use of consumable products not manufactured or approved by EPSON. 222 Replacing Consumable Products