1.3.8. Rough image on the 1st side of duplex
(1) Symptom
The image on the 1st side of duplex print gets rough and not glossy,
(2) Cause
(a) When Mix mode or changing a tray, Temperature of lower roller surface is too high.
(b) Temperature of lower roller surface is too high shortly after print starting.
(3) Solution
(a) When Mix mode or changing a tray, Temperature of lower roller surface is too high.
Change fusing stability setting in Administrator setting.
[Administrator Setting]→[Common Setting]→[Fusing Stability]
Change setting to [Better Quality] or [Best Quality]
Note
When changing the setting from Speed (default), to [Better Quality] or [Best Quality],
productivity may decrease. It is noticeable when paper type is switched.
(b) Temperature of lower roller surface is too high shortly after print starting.
1. Change DipSW1-0 from 0 (Default) to 1 to show expert adjustment on paper
settings.
[Machine]→[Paper Setting]→[Change Set.]→[Expert Adjustment]
2. Decrease fusing roller lower temperature for respective tray.
Change by 5°C. Maximum adjustment range is 15 °C.
Be careful for the fusing under offset. To check, print 20 sheets of test pattern
69.
3. When the effect is not enough, decrease upper fusing roller temperature.
Change by 5°C. Maximum adjustment range is 15 °C same as lower roller.
Be careful for the fusing under offset. To check, print 20 sheets of test pattern
69.
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