Canon FAX-L1000 - Manual (Page 606)

5-248
FAX-L1000 Chapter 5: Appendix
3.Defective reversing paper sensor
Action: Replace the sensor.
4.Defective duplexing unit pick-up paper sensor 1
Action: Replace the sensor.
5.Defective duplexing unit driver board
Action: Replace the duplexing unit driver board.
6.Defective ECNT board
Action: Replace the ECNT board.
7.Defective SCNT board
Action: Replace the SCNT board.
8.Defective TWINS board
Action: Replace the TWINS board.
9.Defective PDL board
Action: Replace the PDL board.
c) Signal description
PDL board(J2) ,/ TWINS board connector(J35)
J2 J35 Signal name Description
a1 , 1 +3.3V Logic drive voltage
a2 . 2 GND Ground
PDL board(J2) ,/ TWINS board connector(J34)
J2 J34 Signal name Description
b1 / 10 +5.0V PDL board detect signal H:Yes, L:No
b2 / 9 nSCEN Serial clock enable
b3 / 8 nPCLK Clock
b4 / 7 nCOMWR The SO signal is a signal for distinguishing
between commands and data. H:Command
L:Data
b5 . 6 nDENB Not used
b6 / 5 SO Operation panel control signal
(Command or Data)
b7 , 4 SI Button data
b8 . 3 GND Ground
b9 , 2 +3.3V Logic drive voltage
b10 . 1 GND Ground