Table
Sensor or switch | Sensor | Replacement part | Description | Testing of sensor | |
name | number | number |
| test name |
|
|
|
|
|
|
|
Paper feeder media- | PS8008 | (Replace feeder | Photointerrupter | E Tray 3 feed sensor | Remove the Tray 2 |
feed sensor - Tray 31 |
| unit) |
|
| cassette, use a small |
|
|
|
|
| screwdriver to |
|
|
|
|
| activate the sensor |
|
|
|
|
| through the small |
|
|
|
|
| slot toward the front |
|
|
|
|
| of the product. |
|
|
|
|
|
|
Paper feeder media- | PS8008 | (Replace feeder | Photointerrupter | F Tray 4 feed sensor | Remove the Tray 3 |
feed sensor - Tray 41 |
| unit) |
|
| cassette, use a small |
|
|
|
|
| screwdriver to |
|
|
|
|
| activate the sensor |
|
|
|
|
| through the small |
|
|
|
|
| slot toward the front |
|
|
|
|
| of the product. |
|
|
|
|
|
|
PS4 | Photo interruptor: | Photointerrupter | G FD tray full sensor | Lift the | |
tray |
|
|
| tray output levers to | |
|
|
|
| activate the sensor. | |
|
|
|
|
| |
|
|
|
|
| |
|
|
|
|
|
|
Rear cover open | PS1 | Photointerrupter | H | Open the rear door | |
sensor |
|
|
| sensor | to about 15 degrees. |
|
|
|
|
|
|
SW501 | Switch | I | Open the cartridge | ||
switch |
|
|
| open switch | door. |
|
|
|
|
|
|
PS8001 | Photointerrupter | J Rear cover open | Open the rear door | ||
sensor |
|
|
| sensor | to about 90 degrees. |
|
|
|
|
|
|
MP tray media- | PS205 | Photointerrupter | K Tray 1 paper | Push the sensor | |
presence sensor |
|
|
| sensor | lever to the right of |
|
|
|
|
| the center of the tray, |
|
|
|
|
| and hold it there for 3 |
|
|
|
|
| seconds. |
|
|
|
|
|
|
Cassette media- | PS3 | Currently not | Photointerrupter | L Tray 2 paper | Remove the Tray 2 |
presence sensor |
| replaceable |
| sensor | cassette, and then |
|
|
|
|
| push the sensor |
|
|
|
|
| lever. |
|
|
|
|
|
|
Tray 2 cassette | SW235 | Switch | M Tray 2 detect | Remove the Tray 2 | |
presence switch |
| (tray sensor PCA) |
| sensor | cassette, and then |
|
|
|
|
| reinstall it. |
1Tray 3 and Tray 4 use a PS8008 sensor.
Table
Sensor or switch | Sensor | Replacement part | Description | Testing of sensor | |
name | number | number |
| test name |
|
|
|
|
|
|
|
Paper feeder Tray 3 | PS451 | Photointerrupter | N Tray 3 paper | Remove the Tray 3 | |
cassette media- |
|
|
| sensor | cassette, and then |
presence sensor1 |
|
|
|
| push the sensor |
|
|
|
|
| lever. |
|
|
|
|
|
|
Paper feeder Tray 3 | PS461 | Photointerrupter | O Tray 3 detect | Remove the Tray 3 | |
cassette presence |
|
|
| sensor | cassette, and then |
sensor1 |
|
|
|
| reinstall it. |
|
|
|
|
|
|
138 Chapter 3 Solve problems | ENWW |