Canon MX884 - Special Tools; Sensors

5-2. Special Tools
5-3. Sensors
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Name Tool No. Application Remarks
FLOIL KG-107A QY9-0057-000 To the carriage rail sliding portions. In common with other products on the market
No. Sensor Function Possible problems detected by the sensor
1 DES sensor Detects paper ejection from the ADF. - Paper jam in the ADF
2 DS sensor Detects paper feeding from the ADF. - No paper in the ADF
3 ADF cover sensor Detects opening and closing of the
document feeder cover.
- Although the document feeder cover is closed, the
machine indicates that the cover is open.
4 Scanner open
sensor
Detects opening and closing of the
scanning unit (cover).
- The carriage does not move to the center even when
the scanning unit (cover) is opened.
5 PE sensor Detects the positions of the leading and
trailing edges of paper.
- No paper
- Paper jam
6 ASF cam sensor Detects the position of the ASF cam
(during paper feeding from the rear tray).
- ASF cam sensor error
- Paper feed problem
7 APP encoder sensor Detects the amount of rotation of the
APP encoder. (Controls purging
operation and paper feeding from the rear
tray or from the cassette).
- APP sensor error
- APP position error
8 LF encoder sensor Detects the amount of rotation of the LF
encoder.
- LF position error
- Uneven printing
9 Eject encoder
sensor
Detects rotation of the eject encoder, and
controls paper feeding.
- LF position error
- Uneven printing
10 Temperature & Ink
amount sensor
Detects the temperature of the inside of
the machine and the remaining ink
amount.
- Internal temperature error
- Low-ink or out-of-ink warning
11 Ink sensor Detects the position of an ink tank. - Wrong position of an ink tank
- An error indicating that multiple ink tanks of the same
color are installed
- No recognition of an ink tank
12 Carriage encoder
sensor
Detects the position of the carriage. - Carriage position error
- Printing shifts from the correct position.
- Uneven printing
- Strange sound
13 Valve cam sensor Detects the position of the purge valve
cam. (Controls purging operation.)
- Valve cam sensor error
14 Pump roller sensor Detects the position of the purge pump
roller. (Controls purging operation.)
- Pump roller sensor error
15 Purge cam sensor Detects the position of the purge main
cam. (Controls purging operation.)
- Purge cam sensor error