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Outline; Outline Of Troubleshooting; Location Of Connectors And Pin Arrangement; Main Controller Pcb - Canon iPF605 Service Manual

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6.1 Troubleshooting

6.1.1 Outline

6.1.1.1 Outline of Troubleshooting

1. Outline
Troubles subject to troubleshooting are classified into those shown on the display (warning, error, and service call) and those not shown on the display.
2. Precautions for Troubleshooting
1) Check the environmental conditions and the media used for printing.
2) Before performing troubleshooting, make sure that all connectors and cables are connected properly.
3) When servicing the printer with the external cover removed and the AC power supplied, be extremely careful to avoid electric shock and shorting electrical
devices.
4) In the following sections, the troubleshooting steps are described such that the component related to the most probable cause of the problem will be repaired or
replaced first, being followed by components with less problem probability. If multiple components have the same problem probability, the steps are described
begging with the easiest one.
After performing each step, check to see if the problem has been resolved by making test prints. If the problem persists, proceed to the next step.
5) After completion of the troubleshooting, check that all connectors and cables have been reconnected and screws have been tightened firmly.
6) Whenever you have performed replacement or repair services, make test prints to check whether the problem has been resolved.

6.2 Location of Connectors and Pin Arrangement

6.2.1 Main controller PCB

J1001 (USB)
Pin Number
Signal name
1
VBUS
2
D-
3
D+
4
GND
5
GND
6
GND
J1001 (IEEE1394 board)
Pin Number
Signal name
1
GND
2
GND
3
GND
4
+3.3V
5
+3.3V
6
+3.3V
7
+3.3V
8
+3.3V
J1001
J1001
1
J1201
J1201
1
IN/OUT
IN
IN/OUT
IN/OUT
-
-
-
IN/OUT
-
-
-
OUT
OUT
OUT
OUT
OUT
J2601
1
1
1
J3411
J3411
J3402
1
1
J3701
J3701
1
J3801
1
1 1
J1101
J1101
J1801
J1801
1
1
J3202
J3203
1
1
J2703
J2703
J2512
J2512
1
1
1
F-6-1
T-6-1
Function
USB VBUS (+5V)
USB data (-)
USB data (+)
USB GND
GND (Connector shell)
GND (Connector shell)
T-6-2
Function
GND
GND
GND
Power supply (+3.3V)
Power supply (+3.3V)
Power supply (+3.3V)
Power supply (+3.3V)
Power supply (+3.3V)
1
J3101
J3101
J2801
J2801
J3211
J3211
1
1
1
J3911
J3911
1
J2511
J2511
1
1
J3011
J3011
1
1
Chapter 6
0012-6598
0019-6272
6-1

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Troubleshooting

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