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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

4-57 T

6.2.5 Sensors (1/3)
Reader Unit
Electrical signal (target)
Reference to general
I/O address Remarks
Name circuit diagram I/O indication
PS400 (R-CON) A3-18-H IO-P06-4
Scanner home position sensor 1: HP
PS401 (R-CON) A3-17-H IO-P06-6
Copyboard cover sensor 0: open, 1: closed (copyboard/ADF)
SD1 (R-CON) A3-19-H IO-P03-5
Original sensor 0: present, 1: absent (paper)
IO-P04-4
0: ON, 1: OFF

Printer Unit (1/3)

Electrical signal (target)
Reference to general
I/O address Remarks
Name circuit diagram I/O indication
BD (DC-CON) A3-13-K
BD sensor
PS1 (DC-CON) A3-19-N P013-5
Cassette 1 paper sensor 0: present, 1: absent (paper)
PS2 (DC-CON) A 3-19-M P014-5
Cassette 2 paper sensor 0: present, 1: absent (paper)
PS3 (DC-CON) A 3-20-M P013-6
Cassette 1 paper (paper)
level sensor 1 25% (bit6=0; bit7=1)
PS4 (DC-CON) A 3-20-M P013-7 50% (bit6=1; bit7=1)
Cassette 1 paper 100% (bit6=0; bit7=0)
level sensor 2
PS5 (DC-CON) A 3-20-M P014-6
Cassette 2 paper (paper)
level sensor 1 25% (bit6=0; bit7=1)
PS6 (DC-CON) A 3-20-M P014-7 50% (bit6=1; bit7=1)
Cassette 2 paper 100% (bit6=0; bit7=0)
level sensor 2
PS7 (DC-CON) A 3-20-M P015-0
Cassette 1 re-try 1: present, 0: absent (paper)
paper sensor