2.4Symbols and Functions of Various Components
1) Motors
Symbol | Name | Function |
|
|
|
M1 | Original feed motor | Drives the original feed roller, pickup roller and registration roller. |
|
|
|
M2 | Read motor | Transports originals by driving the intermediate transport roller, front |
|
| read roller, platen roller, rear read roller and reverse registration roller. |
|
|
|
M3 | Original exit/reverse motor | Drives the original exit/reverse roller. |
|
|
|
M4 | Fan motor | Cools off the ADF drive section and ADF board. |
|
|
|
2) Sensors and Switches
Symbol | Name | Function |
|
|
|
S1 | Original tray sensor | Detects the length of the original set on the original tray. |
|
|
|
S2 | Original tray width sensor | Detects the width of the original set on the original tray. |
|
|
|
S3 | Original empty sensor | Detects the original set on the original tray. |
|
|
|
S4 | Original length detection | Detects the length of the original. |
| sensor |
|
S5 | Original registration sensor | Detects transport of the original at the registration roller section. |
|
|
|
S6 | Original width detection sen- | Detects the width of the original. |
|
| |
|
|
|
S7 | Original width detection sen- | Detects the width of the original. |
|
| |
S8 | Original intermediate trans- | Detects the original transported to the |
| port sensor |
|
S9 | Read sensor | Detects the leading edge of the original at the original scanning section. |
|
|
|
S10 | Original exit/reverse sensor | Detects the exit (transit) of an original. Also detects the stop reference |
|
| position for an original when in reverse. |
S11 | Jam access cover sensor | Detects opening/closing of the Jam access cover. |
|
|
|
S12 | RADF opening/closing sen- | Detects opening/closing of the RADF. |
| sor |
|
SW1 | Jam access cover opening/ | Switches between cutoff and supply state of the 24 V power by open- |
| closing switch | ing/closing of the jam access cover. |
3) Solenoid
Symbol | Name | Function |
SOL1 | Original pickup solenoid | Drives up and down the original pickup roller. |
|
|
|
SOL2 | Gate solenoid | Drives the reverse flapper. (Switches the flapper to the reverse side |
|
| when turned to ON.) |
4) PC board
Symbol | Name | Function |
|
|
|
ADF | RADF control PC board | Controls the RADF. |
| (ADF board) |
|
June 2005 © TOSHIBA TEC |
2 - 4