No Section Name Function Contact / output
1 Main body BD Laser beam sensor Detection of laser beam start position
2 CSWF Door switch Front Front door open / close detection ON when closed
3 CSWL Door switch L Left door open / close detection ON when closed
4 CSWR Door switch R Right door open / close detection ON when closed
5 IR Optical communication light-receiving sensor Optical communication module for PDA/ZR
6 LUD2 Paper tray 1 lift-up sensor Detection of paper tray 1 lift-up upper limit Low when lift plate detected
7 MHPS Mirror home position sensor Detection of mirror unit home position High at home position
8 MPED Manual feed tray paper empty detector Detection of paper in manual feed tray Low when paper is detected
9 OCSW OC switch Detection of OC cover operation Low when cover is open
10 P-SW Main Power switch Main power ON / OFF
11 PED3 Paper tray 1 paper empty sensor Detection of paper in paper tray 1 Low when paper is detected
12 PID Paper in sensor Detection of paper in cassette High when paper pass over
13 PLS1 Manual feed tray paper length sensor 1 Manual feed tray paper length sensor 1 Low when detected
14 PLS2 Manual feed tray paper length sensor 2 Manual feed tray paper length sensor 2 Low when detected
15 POD Paper exit sensor Detection of paper exit from fusing section Low when paper pass over
16 PPD1 Paper pass detector 1 Paper transport detection 1 Low when paper pass over
17 PPD2 Paper pass detector 2 Paper transport detection 2 Low when paper pass over
18 PSD Paper separation detector Detection of paper separation on the OPC drum Low when paper pass over
19 TFD Waste toner sensor Waste toner bottle full detection Low when full waste toner detected
20 ADU DPFD ADU paper exit detector Detecton of paper exit from ADU High when paper pass over
21 DPPD1 ADU Paper feed sensor 1 Detection of Paper feed in ADU position 1 High when paper pass over
22 DPPD2 ADU Paper feed sensor 2 Detection of Paper feed in ADU position 2 High when paper pass over
23 DTBHPS ADU rear plate home position sensor Detection of ADU rear plate home position Low at home position
24 DTPID ADU Tray sensor Detection of paper in ADU High when paper is detected
25 DTWHPS ADU alignment plate home position sensor Detection of ADU alignment plate home position Low at home position
26 Desk unit DDOP Desk side open/close sensor Desk side door open / close detection Low when desk side door is open
27 DLPD1 Desk paper pass sensor 0 Paper transport detection 0 High when paper pass over
28 DLPD2 Paper tray 3 paper pass sensor 1 Paper transport detection 1 High when paper pass over
29 DLPD3 Paper tray 3 paper pass sensor 2 Paper transport detection 2 High when paper pass over
30 DLUD1 Paper tray 3 lift-up sensor 1 Detection of paper tray 3 lift-up upper limit High when interrupted
31 DLUD2 Paper tray 3 lift-up sensor 2 Detection of paper tray 3 lift-up upper limit High when interrupted
32 DPE2 Paper tray 3 paper empty sensor Detection of paper in paper tray 3 High when paper is detected
33 DPOD1 Desk unit resist sensor 1 Paper pass detection 1 Low when paper is detected
34 DPOD2 Desk unit resist sensor 2 Paper pass detection 2 Low when paper is detected
35 DPTD1 Paper tray 3 paper quantity sensor 1 Detection of paper quantity in paper tray 3
36 DPTD2 Paper tray 3 paper quantity sensor 2 Detection of paper quantity in paper tray 3
37 E1CLK Paper tray 3 lift-up motor 1 encoder clock detector Lift-up motor encoder clock detection Pulse output
38 E2CLK Paper tray 3 lift-up motor 2 encoder clock detector Lift-up motor encoder clock detection Pulse output
39 F/LSW Front loading open/close switch Paper tray 3 open / close detection High when open
40
LMS1 Limit sensor 1 Prevention against excessive height of cassette
paper.
High when interrupted
41
LMS2 Limit sensor 2 Prevention against excessive height of cassette
paper.
High when interrupted
42 LUD3 Paper tray 2 lift-up sensor Detection of paper tray 2 lift-up upper limit Low when lift plate detected
43 PED3 Paper tray 2 paper empty sensor Detection of paper in paper tray 2 Low when paper is detected
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