Reinstall missing or unresponsive imaging unit [31.xy]

‑ On

‑ Blinking

If the light sequence matches the light sequence in the preceding illustration, then press twice to see the supplemental light sequence.

‑ On

‑ On

‑ Blinking

• Check if the imaging unit is missing. If missing, then install the imaging unit.
• For more information, see the instruction sheet that came with the supply.
• If the imaging unit is installed, then remove and reinstall the unresponsive imaging unit.

Note:  If the message appears after reinstalling the supply, then replace the imaging unit. The imaging unit may be defective or a non‑genuine Lexmark supply. For more information, see Using genuine Lexmark parts and supplies.