Chapter 17 Troubleshooting
17-10
Judgment standards for polygon pitch unevenness and feed unevenness
Division procedure
:
Output a FLAT pattern (approx. 1.5D), observe with a magnifying glass, and divide by the
intervals between unevenness.
Unevenness
Phenomenon
Solution
Polygon pitch unevenness
0.157mm interval unevenness
Correction
Feed unevenness
0.5mm interval unevenness
•
Replace feed unit moderation belt
•
Replace feed unit propagation belt
•
Replace feed unit drive motor pulley
11mm interval unevenness
Two to three short
horizontal lines
11mm space
Summary of Contents for Drypro 832
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