Xerox Nuvera 100, Service Manual

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ii LINX™ Solid Inkjet 100 Service Manual
3. Replace the power control board.
4. Replace the printhead.
Printing Too Light Or Too Dark
Perform the procedure, “Printhead-To-Drum Spacing Adjustment.”
Fuzzy text
Text appears indistinct and difficult to read.
1. Head-to-drum gap is too great. Verify the gap with the
adjustment as explained in the topic “Printhead-To-Drum
Spacing Adjustment.”
2. Verify the drum temperature using PC-based diagnostics.
Ensure the drum temperature sensor is clean and properly
positioned.
3. If the problem persists, replace the printhead.
Poor Ink Fills
Primary fills appear banded and inconsistent.
1. Head-to-drum gap is too small. Verify the gap with the
adjustment explained in the topic “Printhead-To-Drum Spacing
Adjustment.”
2. Verify the drum temperature using PC-based diagnostics.
Ensure the drum temperature sensor is clean and properly
positioned.
3. Verify the paper preheater temperature using PC-based
diagnostics.
4. If the problem persists, replace the printhead.
Poor Small Text Resolution
Small characters appear heavy and “plug up.”
1. Verify the drum temperature using PC-based diagnostics.
Ensure the drum temperature sensor is properly positioned.
2. Inspect and clean the drum temperature sensor.
3. Ensure that the X-axis drive system is correctly assembled and
lubricated.
4. If the problem persists, replace the printhead.