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Mutoh VJ-1638X / VJ-1638WX — E134～E139、 E156、E157 Err SubTank （） One of the letters from KkCｃMmYy(1234 5678) is displayed in the parentheses.

VJ-1638X / VJ-1638WX

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Mutoh VJ-1638X / VJ-1638WX — E134～E139、 E156、E157 Err SubTank （） One of the letters from KkCｃMmYy(1234 5678) is displayed in the parentheses.

E134～E139、 E156、E157 Err SubTank （） One of the letters from KkCｃMmYy(1234 5678) is displayed in the parentheses.

Subtank status shows
that H sensor is
detected and Lo sensor
is not detected.

Checks / troubleshooting:
1. Subtank LO sensor or Hi sensor may be
malfunctioning.
2. MAIN board may be malfunctioning.

Recommended actions:
1. Replace Subtank Low sensor.
2. Replace Subtank.
3. Replace MAIN board.

• 2. MAIN board may be malfunctioning

VJ-1638X / VJ-1638WX