Canon imagePASS-P1, Service Manual, Page: 25 / 70

Jumper Description
J4
J4
Pin 1
J4 is the Clear CMOS and Password jumper.
Default configuration: jumper cap installed on pins 2 and 3.
NOTE:
Because the jumper cap is very small, it is not necessary—and could introduce an error—to remove
the jumper cap in order to clear the CMOS settings.
1
13
11
15
MS
MS
MS
MS
14
MS
12
3
4
5
6
7
8
2
9
10
Figure 13: Diagram of the motherboard
No. Item No. Item No. Item
1 HDD data connector (SATA_6G
0) 7 Crossover Ethernet port / Type A USB
ports (x2) 12 4-pin power connector (J18)
2 Security chip (J12/CRYPTO)) 8 Type A USB ports (x2) / Network port
(RJ-45) / 13 CPU fan connector (CPU FAN J16)
3 Battery (XBT1) 9 Type A USB connector (x2) 14 Chassis fan connector (SYSFAN J21)
4 Printer interface board (PCIE
x16) 10 CPU and cooling assembly 15 Service board connector (PORT80)
5 Power button pins (J15) 11 24-pin power connector (ATX24P_1) MS Mounting screws
6 DIMM
NOTE:
Any connectors not listed are not used.
Removing the motherboard
Before you remove the motherboard, you must remove:
• All boards installed on the motherboard
3. REPLACING PARTS
20