Utax P-4030 MFP, Service Manual

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2NM/2NX/2NY/2NZ/2P0/2P6-1
2-1-6
1. MP paper sensor (MPPS) ..................... Detects the presence of paper on the MP tray.
2. Lift sensor (LS) *2 ................................. Detects the top limit of the bottom plate.
3. Registration sensor 2 (RS2) *2 ............. Controls the secondary paper feed start timing.
4. Duplex sensor 1 (DUS1) *2................... Detects a paper jam in the duplex section.
5. Eject sensor (ES) .................................. Detects a paper misfeed in the fuser or eject section.
6. Home position sensor (HPS) ................ Detects the ISU in the home position.
7. Toner sensor (TS) ................................. Detects the amount of toner remaining in the toner container.
8. Waste toner sensor (WTS).................... Detects when the waste toner box is full.
9. Fuser thermistor1 (FTH1) ..................... Detects the heat roller temperature (Edge).
10. Fuser thermistor2 (FTH2) ..................... Detects the heat roller temperature (Center).
11. Power source switch (PSSW) ............... Change ON/OFF the power supply of a control PWB, an opera-
tion PWB, etc.
12. Inter lock switch (ILSW) ........................ Detects the opening and closing of the top cover.
13. Rear cover switch (RCSW) *2............... Detects the opening and closing of the rear cover.
Shuts off 24 V DC power line when the right cover is opened.
14. Paper full sensor (PFS)......................... Detects the paper full in the main tray (Facedown).
15. Envelope sensor (ENVS) ...................... Detects the change state of pressure in fuser unit.
16. Cassette size switch (CSSW) ............... Detects the paper size dial setting of the paper setting dial.
17. DP original sensor (DPOS) ................... Detects the presence of an original.
18. DP registration sensor (DPRS) ............. Detects the original conveying timing.
19. DP timing sensor (DPTS)...................... Detects the original scanning timing.
20. DP switchback sensor (DPSBS) ........... Detects the position of the shift guide.
21. DP open/close sensor (DPOCS)........... Detects the opening/closing of the DP.
List of correspondences of switch and sensor names
No. Name used in service manual Name used in parts list Part.No.
1 MP paper sensor (MPPS) SENSOR OPT. 303M894260
2 Lift sensor (LS) *2 SENSOR OPT. 303M894260
3 Registration sensor 2 (RS2) *2 SENSOR OPT. -
4 Duplex sensor1 (DUS1) *2 SENSOR OPT. 303M894260
5
Eject sensor (ES)
SENSOR OPT.
(FK-3100(U)) *1
(FK-3100(E)) *1
(FK-3130(U)) *2
(FK-3130(E)) *2 -
(302MS93094)
(302MS93074)
(302LV93132)
(302LV93112)
6 Home position sensor (HPS) SENSOR OPT. 303M894260
7
Toner sensor (TS)
P.W.BOARD ASSY TONER SENSOR
(DV-3100) -
(302LV93080)
8
Waste toner sensor (WTS)
PARTS TONER FULL DETECT
ASSY SP
302LV94120
9
Fuser thermistor1 (FTH1)
THERMISTOR FUSER
(FK-3100(U)) *1
(FK-3100(E)) *1
(FK-3130(U)) *2
(FK-3130(E)) *2 -
(302MS93094)
(302MS93074)
(302LV93132)
(302LV93112)