Canon imageRUNNER ADVANCE C5255 Series Service Manual page 779

E Detailed Occurance Items
code code area
E747 621A 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 621B 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 621C 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 621D 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 621F 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
7
Error•Jam•Alarm > Error Code > Error Code Details
Description
7 Error•Jam•Alarm > Error Code > Error Code Details
E Detailed Occurance Items
code code area
E747 651B 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 651A 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 6519 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 6517 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
E747 6516 00 Title Error in Main Controller PCB2
Description Error in Main Controller PCB2
Remedy 1. Check contact of ScanI/F cable. Check contact of the
Bypass PCB or Open I/F PCB. Check contact of SDRAM
at Main Controller PCB2.
2. Replace the Bypass PCB or Open I/F PCB
3. Replace the SDRAM at Main Controller PCB2
4. Replace the Main Controller PCB2
5. Replace the HDD (replace the new encryption board)
7-88
Description
7-88