– 3.10 –
If none of the heads or nozzle rows discharges ink, check the following:
1. Check that the head ID is entered correctly.
2. If either nozzle row of the same head does not discharge ink, check the defective section by
exchanging the 21-wire FPC (connected to the head) within the same nozzle row (for example,
between CN9 and CN10).
• Do not exchange the FPC between rows A and B because of power short-
circuit.
3. If neither row A nor row B within the same head discharges ink, check the defective section by
shifting the 40-wire FPC (to be mounted on the slider PCB) pairwise (for example, shift the
cable of CN21 and CN22 to CN23 and CN24).
• Do not shift only one FPC because of power short-circuit.
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