- 1). Turn the C530 printer off and then back on again. Wait for the printer to initialize and the "PC Unit Life Warning" message to display.
- 2). Press the up or down arrow buttons on the face of the printer until the "Supplies Menu" option displays on the screen. Press the button labeled with a check-mark to access the "Supplies Menu."
- 3). Press the down arrow button to scroll through the list of options in the "Supplies Menu" until you reach the "Replace Supply" value, then press the check-mark button.
- 4). Press the down arrow key again to scroll through the "Replace Supply" menu options. When you reach the "PC Unit" value for the toner color you changed, press the check-mark button.
- 5). Press the down arrow button again to select the "Yes" option, then press the check-mark button to disable the error-warning message on the printer.