Printer Main Unit

Motors and solenoids

No.NameFunctionType
1CR MotorUsed for CR operation driving.

DC motor (42VDC±5%)

2ASF Motor

Used for driving the feed mechanism.

  • Pickup Roller
  • Rear ASF Assy
  • Rear Unit

DC motor (42VDC±5%)

3PF Motor
  • Used for feed and delivery roller driving.
  • Used for driving the APG lever.

DC motor (42VDC±5%)

4Decompression MotorUsed for supplying ink from the ink packs to the buffer of the ink supply unit.

DC motor (42VDC±5%)

5I/S MotorUsed for driving the pump of Ink System Unit.

DC motor (42VDC±5%)

ARear ASF SolenoidPerforms switching of the ASF motor drive transmission to the rear ASF unit.---
Ink detection and cover detection system sensors

No.NameFunctionType
1Ink End SensorDetects the end of the ink.

Transmissive photo-interrupter (3.3VDC±5%)

2Rear ASF SensorDetects the installation state of the Rear Unit.

Mechanical contact (3.3VDC±5%)

3Ink Pack Sensor (Bk)Used for ink pack (black) recognition.CSIC
4Front Cover Open SensorDetects the open/closed state of the front cover.

Mechanical contact (3.3VDC±5%)

5

ADF/SCN Open Sensor (WF-M5899 Series)

Printer Cover Open Sensor (WF-M5399 Series)

Detects the open/closed state of the ADF/SCN unit or the printer cover.

Mechanical contact (3.3VDC±5%)

6Maintenance Box SensorUsed for maintenance box recognition.CSIC
Encoder sensors and PW sensor

No.NameFunctionType
1CR EncoderUsed for CR operation control (CR scale reading).

Transmissive photo-interrupter (3.3VDC±5%)

2ASF EncoderUsed for paper loading driving (ASF motor) control.

Transmissive photo-interrupter (3.3VDC±5%)

3PF EncoderUsed for paper feed driving (PF motor) control.

Transmissive photo-interrupter (3.3VDC±5%)

4IS EncoderUsed for ink eject driving (I/S motor) control.

Transmissive photo-interrupter (3.3VDC±5%)

5PW SensorUsed for paper leading edge and paper width detection.

Reflective photo-interrupter (3.3VDC±5%)

Paper feed and conveyance system sensors and other sensors

No.NameFunctionType
1PE SensorDetects the paper leading edge and paper trailing edge during paper feeding.

Transmissive photo-interrupter (3.3VDC±5%)

2Feed SensorUsed for paper conveyance detection between the pickup roller and PE sensor.

Transmissive photo-interrupter (3.3VDC±5%)

3Rear ASF Paper Detection SensorDetects whether or not there is paper inside the rear ASF unit.

Transmissive photo-interrupter (3.3VDC±5%)

4Cassette Paper Detection SensorDetects whether or not there is paper inside the paper cassette.

Transmissive photo-interrupter (3.3VDC±5%)

5Cassette Detection SensorDetects the insertion state of the paper cassette.

Mechanical contact (3.3VDC±5%)

6Ink leak sensorDetects the ink leakage inside the ink supply unit.

Analog sensor (3.3VDC±5%)

7Temperature and Humidity SensorMeasures temperature/humidity to set the appropriate drying time.

Analog sensor (3.3VDC)