Canon PIXMA MX870 Series, Руководство по обслуживанию

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1-3. Special Tools
1-4. Sensors
Name Tool No. Application Remarks
FLOIL KG-107A QY9-0057-000 To the carriage rail sliding portions. In common with the MP610, etc.
No. Sensor Function Possible problems
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 DF open sensor Detects opening and closing of the
ADF. - The machine stays in the sleep mode even when the
document feeder is opened.
5 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.
6 PE sensor Detects the positions of the leading
and trailing edges of paper. - No paper
- Paper jam
7 ASF cam sensor Detects the position of the ASF cam
(during paper feeding from the rear
tray). - ASF cam sensor error
- Paper feed problem
8 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
9 LF encoder sensor Detects the amount of rotation of the
LF encoder. - LF position error
- Uneven printing
10 Carriage encoder
sensor Detects the position of the carriage. - Carriage position error
- Printing shifts from the correct position.
- Uneven printing
- Strange sound
11 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
12 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
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
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