Summary of Product
Service Manual
4-15
Samsung Electronics
4.3.1.5 Sensor Input Circuit
• Paper empty sensing
1. Cassette paper empty( Tray1)
- ‘Empty Sensor’ detects whether the paper is in the Tray1.
2. MP paper empty( MP Tray)
- ‘MP empty sensor’ detects whether the paper is in the MP Tray.
• When ‘Auto’ mode is Setting
If the ‘MP Tray’ and ‘Tray’ are all empty, ‘Paper empty Tray1’ messeage is displayed on the LCD panel.
• Feed sensing
The feed sensor detects that the entering paper from Tray1 or Tray2.
When ‘Jam at top, open top cover’ message is displayed on the LCD panel, the feed sensor should be
checked.
• Paper exit sensing
The exit sensor detects that ‘Jam at exit’ error.
When the paper sticks into the exit part, ‘Jam at Exit Open top cover’ message is displayed on the LCD panel.
• Cover open sensing
The cover open switch is on the top frame, it dectects whether top cover is open or closed. When top cover is
open, ‘Close Open’ message is diplayed on the LCD panel.
• Motor driving
There are two BLDC motors. The one is for developer driving and the other is for other driving part operating.
• Output tray sensor
The output tray sensor detects that the exit paper out for output tray.
Содержание ML-3561N Series
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