Canon DADF-H1, Service Manual

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CHAPTER 5 TROUBLESHOOTING
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001
5-31
5.5 Host I/O Displays
Address Bit Display Signal name Connector Remarks
IO-P01 Bit 0 –
(output) Bit 1 –
Bit 2 –
Bit 3 –
Bit 4 –
Bit 5 Document Set LED LED J11-4 L:ON
Bit 6 Locking solenoid A_SL J10-1 L:ON
Bit 7 Stamp solenoid STAMP_SL J11-2 L:ON
IO-P02 Bit 0 Delivery sensor EJTS J3-12 H: Paper present
(input) Bit 1 Read sensor READS J3-9 H: Paper present
Bit 2 Registration roller paper sensor REGS J3-6 H: Paper present
Bit 3 ADF open/closed sensor ADFOPS J3-3 H: Open
Bit 4 Pickup motor phase output M2A J8-3
(output)
Bit 5 Pickup motor phase output M2A* J8-4
(output)
Bit 6 Pickup motor phase output M2B J8-5
(output)
Bit 7 Pickup motor phase output M2B* J8-6
(output)
IO-P03 Bit 0 –
(input) Bit 1 –
Bit 2 Image start signal EDGO J1-2
IO-P04 Bit 0 EEPROM Data input
Bit 1 EEPROM data output
Bit 2 EEPROM clock EEPROM_CK
Bit 3 EEPROM Chip Select EEPROM_CS
Bit 4 Document sensor EMPS J4-3 H: Paper present
Bit 5 Cover open/closed sensor COVERS J4-6 L: Open
Bit 6 Feed motor clock
Bit 7 Pickup motor clock
IO-P05 Bit 0 Document width detection VR J6-4
(input) variable resistor
Bit 1 End-of-document sensor ENDS J6-3 H: Paper present
Bit 2 Document length sensor 2 LENG2S J6-2 H: Paper present
Bit 3 Document length sensor 1 LENG1S J6-1 H: Paper present
Bit 4 A4R/LTR identification sensor A4R/LTR J5-3 H: A4R
Bit 5 Push switch SKHHPK
Bit 6 Feed motor Vref RMOT_V-REF
Bit 7 Pickup motor Vref KMOT_V-REF
T05-505-01