Canon iR C2880 Series Service Manual page 558

Chapter 17
Address bit
P007 0
1
2
3
4
5
6-7
8
9
10
11
12
13
14
15
P010 0
1
2
3
4
5
6
7
P011 0
1
2
3
4
5-7
P012 0
1
2
3
4
5
17-22
Description
Drum unit rear fan lock signal
Backup fan 3 lock signal
Fixing exhaust fan (F) lock signal
Fixing exhaust fan (R) lock signal
Delivery adhesive fan contact sensor signal
Waste toner shutter open / close sensor
Not in use
Drum unit front fan lock signal
Side cooling fan (F) lock signal
Side cooling fan (R) lock signal
Pickup (lower right) door open sensor signal
Front door open signal
Feeder (right) door open sensor signal
Power supply fan 2 error sensor signal
Backup fan 2 lock signal
CS (EEPROM)
CLK (EEPROM)
TxD (EEPROM)
AS
RDX
HWRX
LWRX
CPU CLK
NC (IRQ0)
TOP signal for Bk (IRQ1)
Registration sensor complete signal (IRQ2)
(IRQ3)
CS (external ROM)
Not in use
TxD (DDIP)
TxD (PC)
RxD (DDIP)
RxD (PC)
Zero cross signal (IRQ4)
Watchdog pulse signal (IRQ5)
Remarks
0: Whirling
0: Whirling
0: Whirling
0: Whirling
1: connector disconnected / broken 0: connected
0: Open (in operation)
0: Whirling
0: Whirling
0: Whirling
1: Closed
1: Closed
1: Closed
1: Error
0: Whirling
Pull-up
Pull-up
Pull-up