Printer Main Unit

Motors and solenoids

No. Name Function Type
1 ASF Motor

Used for driving the feed mechanism.

  • Pickup Roller
  • Rear ASF Unit
  • Rear Unit

DC motor

(42VDC±5%)

2 CR Motor Used for CR operation driving.

DC motor

(42VDC±5%)

3 I/S Motor Used for driving the pump of Ink System Unit.

DC motor

(42VDC±5%)

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

DC motor

(42VDC±5%)

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

DC motor

(42VDC±5%)

A Rear ASF Solenoid Performs switching of the ASF motor drive transmission to the rear ASF unit. ---
Ink detection and cover detection system sensors

No. Name Function Type
1 Rear Unit Detection Sensor Detects the installation state of the Rear Unit.

Mechanical contact

(3.3VDC±5%)

2 Ink End Sensor Detects the end of the ink.

Transmissive photo-interrupter

(3.3VDC±5%)

3 Maintenance Box Sensor Used for maintenance box recognition. CSIC
4 Ink Pack Sensor (C) Used for ink pack (cyan) recognition. CSIC
5 Ink Pack Sensor (M) Used for ink pack (magenta) recognition. CSIC
6

ADF/SCN Open Sensor (WF-C579R Series)

Printer Cover Open Sensor (WF-C529R Series)

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

Mechanical contact

(3.3VDC±5%)

7 Front Cover Open Sensor Detects the open/closed state of the front cover.

Mechanical contact

(3.3VDC±5%)

8 Ink Pack Sensor (Bk) Used for ink pack (black) recognition. CSIC
9 Ink Pack Sensor (Y) Used for ink pack (yellow) recognition. CSIC
Encoder sensors and PW sensor

No. Name Function Type
1 ASF Encoder Used for paper loading driving (ASF motor) control.

Transmissive photo-interrupter

(3.3VDC±5%)

2 CR Encoder Used for CR operation control (CR scale reading).

Transmissive photo-interrupter

(3.3VDC±5%)

3 PW Sensor Used for paper leading edge and paper width detection.

Reflective photo interrupter

(3.3VDC±5%)

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

Transmissive photo-interrupter

(3.3VDC±5%)

5 PF Encoder Used for paper feed driving (PF motor) control.

Transmissive photo-interrupter

(3.3VDC±5%)

Paper feed and conveyance system sensors and other sensors

No. Name Function Type
1 Cassette Detection Sensor Detects the insertion state of the paper cassette.

Mechanical contact

(3.3VDC±5%)

2 Cassette Paper Detection Sensor Detects whether or not there is paper inside the paper cassette.

Transmissive photo-interrupter

(3.3VDC±5%)

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

Transmissive photo-interrupter

(3.3VDC±5%)

4 Feed Sensor Used for paper conveyance detection between the pickup roller and PE sensor.

Transmissive photo-interrupter

(3.3VDC±5%)

5 PE Sensor Detects the paper leading edge and paper trailing edge during paper feeding.

Transmissive photo-interrupter

(3.3VDC±5%)

6 Temperature and Humidity Sensor Measures temperature/humidity to set the appropriate drying time.

Analog sensor

(3.3VDC)

7 Ink Leak Sensor Assy Detects the ink leakage inside the ink supply unit.

Analog sensor

(3.3VDC±5%)