Lexmark C520 Service Manual - Page 297

5022-xxx Photoconductor unit removal Warning: To avoid damaging the photoconductor drum, hold the photoconductor units by their handle and place the photoconductor units on a clean surface. See "Handing the photoconductor unit" on page 4-2 for additional information. 1. Open the top access door. 2. Open the front access door. 3. Lift the right end handle (A) of the photoconductor unit, releasing from the mount. 4. Lift the unit up and away from the left side of printer, ensuring the left end of the photoconductor is released from the holding pin (B). A B Installation note: If a new photoconductor unit is installed, reset the life count value in the printer memory. • If a message appears on the operator panel: 1. When 84 PC Unit Life Warning or 84 Replace PC Unit appears, select Supply Replaced, and then press . Replace Supply displays. 2. Select Cyan PC Unit, Magenta PC Unit, Yellow PC Unit, or Black PC Unit based on the photoconductor unit that was just replaced, and then press . PC Unit Replaced displays. 3. Select Yes, and then press to clear the message. • If no message appears: 1. Press . 2. Select Supplies Menu, and press . 3. Press to select Replace Supply. 4. Select Cyan PC Unit, Magenta PC Unit, Yellow PC Unit, or Black PC Unit based on the photoconductor unit that was just replaced, and then press . PC Unit Replaced displays. Press to select Yes. 4-70 Service Manual