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HP DraftMaster Plotters - Plot Quality Problems

Issue:
Plot quality problems on the HP DraftMaster plotters.
Solution
See the information provided below on symptoms, causes, and solutions.
SYMPTOM
CAUSE
SOLUTION
Pen does not write
-Pen tip is dried out.
-Pen is out of ink.
-Prime pen tip or replace pen.
-Refill ink reservoir (drafting pens)
-Replace the pen.
SYMPTOM
CAUSE
SOLUTION
Beginning of line does not show
-Pen tip is partially dried out
-Prime the pen tip or replace the pen
SYMPTOM
CAUSE
SOLUTION
Pen skips or drags
-Pen tip is worn or damaged.
-Pen speed or force is incorrect for type of pen.
-Plotting medium surface is watermarked, oily, bubbled, the wrong weight or thickness.
-Pen lift mechanism is sticking or the pen height is incorrect.
-Replace the pen.
-Select proper value.
-Replace medium.
-Repair the plotter.
SYMPTOM
CAUSE
SOLUTION
Line width is not uniform or too narrow/wide
-Pen tip is worn or damaged.
-Pen speed is too fast.
-Wrong pen width.
-Replace the pen.
-Select a slower speed value.
-Select correct width.
SYMPTOM
CAUSE
SOLUTION
Ink blobs or flows unevenly
-Pen force is too high.
-Wrong pen/media combination.
-Pen tip is dirty.
-Select a lower force value.
-Select proper type of pen for media used.
-Clean the pen tip.
SYMPTOM
CAUSE
SOLUTION
Wiggly/Wavey lines
-Pen tip is worn or damaged.
-Media surface is dirty or bubbled.
-Pen holder mechanism is damaged.
-Replace the pen.
-Replace the media.
-Repair the plotter.
SYMPTOM
CAUSE
SOLUTION
Plot misregistration or drift
-Plotter has been subjected to hard vibration or jarred.
-Dirty grit wheels or pinch wheels.
-Media unstable due to climatic or environmental change.
-Unsuitable media used.
-Eliminate interference.
-Clean as recommended.
-Stabilize environment if possible.
-Only use media recommended by HP.

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