Description: Specified ink cartridge is not installed.
Remedy: 1. Check if the same message appear if turning machine OFF and ON again. If the message appears: Refer to the action in check item No. 2. 2. Check if specified ink cartridge is used. Replace ink cartridge with specified one. 3. Check if ink cartridge status detection operates normally from "Ink Not" of selfdiagnosis function. If detection does not operate normally, replace following parts. • Ink sensor assembly • MAIN board assembly 4. Check contact of ink sensor assembly connector. Reconnect following MAIN board assembly connectors. • J5(K) • J6(C) • J7(M) • J87(Y) If no change occurs, proceed to step (5). 5. For cartridge that is displayed as NG in "Sen: Ink NOT" of self-diagnosis function, switch ink sensor assembly connector with that of normally displayed cartridge. • If cartridge displayed as NG changes: Ink sensor assembly displayed as NG is damaged. Replace defective ink sensor assembly. "4.9.1 Replacing Frame Assembly" p.4-139 • If cartridge displayed as NG does not change, or all units are displayed as NG: MAIN board assembly may be damaged. Replace MAIN board assembly.