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(8) Sensors
DES / DS Sensor
Carriage Encoder Sensor
ASF / PE Sensor
LF Encoder Sensor
Cover Open Sensor
Sensor
Function
Possible problem
DES / DS sensor
Detects paper feeding and ejection from the
ADF.
- No paper in the ADF
- Paper jam in the ADF
ASF / PE sensor
Detects paper feeding and ejection from the
rear tray.
- No paper in the rear tray
- Paper jam in the rear tray
Cover open sensor Detects opening and closing of the document
cover.
- The carriage does not move to the
center.
LF encoder sensor Detects the number of times the LF encoder
rotates, and controls its drive.
- Uneven printing
Carriage encoder
sensor
Detects the position of the timing slit film, and
controls printing.
- Uneven printing (due to grease
attached to the timing slit film)
- Carriage error
Summary of Contents for PIXMA MX340 Series
Page 22: ... 21 37 PTT parameter print sample for the MX350 US model ...
Page 30: ... 29 37 3 5 Grease application ...
Page 32: ... 31 37 4 EXTERNAL VIEW PARTS LIST 4 1 External View Fig 1 ...
Page 33: ... 32 37 Fig 2 1 For the MX340 MX347 MX348 only 2 For the MX350 MX357 MX358 only ...
Page 34: ... 33 37 Fig 3 ...
Page 35: ... 34 37 Fig 4 2 For the MX350 only 3 Ink absorbers to be replaced in the partial replacement ...