Canon imageRUNNER ADVANCE C5255 Series Service Manual page 668
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Also See for imageRUNNER ADVANCE C5255 Series:
- Basic operation manual (208 pages) ,
- Service manual (116 pages) ,
- Instruction manual (64 pages)
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<Controller System Error Diagnosis Table>
The error locations are identified according to the following table.
Test
Description
Assumed Error
Name
Location
SN-1 IA-
Check an error
• Main Controller
DDR2
between the Main
PCB 1
SDRAM
Controller PCB 1 and
• SDRAM on
SDRAM on the Main
Main Controller
Controller PCB 1
PCB 1
SN-2 SM
Check an SM bus
• Main Controller
BUS IA
error in SDRAM
PCB 1
DIMM1
(outside) on the Main
• SDRAM
Controller PCB 1
(outside) on
Main Controller
PCB 1
SN-4 SM
Check an SM
• Main Controller
BUS IA
bus error in Clock
PCB 1
Clock Gen
Generator on the Main
Controller PCB 1
SN-5 SM
Check an SM bus
• Main Controller
BUS SOC
error in the Main
PCB 1
DIMM1
Controller PCB 1 and
• Main Controller
the Main Controller
PCB 2
PCB 2
• SDRAM on
Main Controller
PCB 2
SN-6 PCI
Check a PCI bus error
• Main Controller
Config
in the Main Controller
PCB 1
Maestro
PCB 1 and the Main
• Main Controller
Controller PCB 2
PCB 2
• SDRAM on
Main Controller
PCB 2
SN-7 PCI
Check a LAN chip
• Main Controller
Config
error on the Main
PCB 1
LANC
Controller PCB 1
SN-8 PCI
Check a PCI bus error
• Main Controller
Config
between the Main
PCB 1
PCI-Bridge
Controller PCB 1
SN-9
Check failure of CPLD
• Main Controller
CPLD
chip on the Main
PCB 1
Controller PCB 1
SN-10
Check failure of LANC
• Main Controller
LANC SPI
SPI on the Main
PCB 1
Controller PCB 1
6
Troubleshooting > Controller Self Diagnosis > Controller Self Diagnosis > Controller System Error Diagnosis
Remedy
1. Replace the Main Controller PCB 1. -
1. Replace the Main Controller PCB 1. -
1. Replace the Main Controller PCB 1. -
1. Check the connection of the Main
Controller PCB 1, and the Main
Controller PCB 2.
2. Check the installation of SDRAM
(M1) on the Main Controller PCB 2.
3. Replace SDRAM (M1) on the Main
Controller PCB 2.
4. Replace the Main Controller PCB 2.
5. Replace the Main Controller PCB 1.
1. Check the connection of the Main
Controller PCB 1, and the Main
Controller PCB 2.
2. Replace the Main Controller PCB 1.
3. Replace the Main Controller PCB 2.
1. Replace the Main Controller PCB 1. -
1. Check the installation between the
Main Controller PCB 1.
2. Replace the Main Controller PCB 1.
1. Replace the Main Controller PCB 1. -
1. Replace the Main Controller PCB 1. -
6
Troubleshooting > Controller Self Diagnosis > Controller Self Diagnosis > Controller System Error Diagnosis
Test
Description
Name
SN-11 RTC
Check failure of RTC
Error
CHECK
on the Main Controller
Code
PCB 1
SN-12
Check failure of the
TPM
TPM PCB on the Main
Controller PCB 1
* TPM PCB is not
installed in products
for China. So, the
diagnosis results NG.
SN-13
Check an error
DDR2
between SDRAMs on
SDRAM
the Main Controller
PCB 2
SN-14
Check failure of CPU
FLASH
ROM (IC60) on the
-
ROM
Main Controller PCB 2
SN-15
Check an error
P-DDR2
between the Main
SDRAM
Controller PCB 2 and
SDRAM (P) on the
Main Controller PCB 2
SN-16
Check failure of Rchip
GOR(R)-
SDRAM on the Main
DDR2
Controller PCB 2
-
SDRAM
SN-17
Check failure of Schip
S-SDRAM
SDRAM on the Main
Controller PCB 2
SN-18
Check failure of Ochip
GOR-
SDRAM on the Open
DDR2
I/F PCB
SDRAM
-
SN-19
Check a GUBUS error
GU BUS
on the Main Controller
PCB 2
Assumed Error
Remedy
Location
• Main Controller
1. Replace the Main Controller PCB 1. -
PCB 1
• Main Controller
1. Check the installation of the TPM
PCB 1
PCB.
• TPM PCB
2. Replace the TPM PCB.
3. Replace the Main Controller PCB 1.
• Main Controller
1. Check the installation of SDRAM
PCB 2
(M0) on the Main Controller PCB 2.
• SDRAM
2. Replace SDRAM (M0) on the Main
(M0) on Main
Controller PCB 2.
Controller PCB
3. Replace the Main Controller PCB 2.
2
• Main Controller
1. Replace the Main Controller PCB 2. -
PCB 2
• Main Controller
1. Check the connection of the bypass
PCB 2
board /Open I/F board.
• SDRAM (P)
2. Replace the Main Controller PCB 2.
• Open I/F PCB
• Bypass board
• Main Controller
1. Check the connection of the bypass
PCB 2
board /Open I/F board.
• Open I/F PCB
2. Replace the Main Controller PCB 2.
• Bypass board
• Main Controller
1. Replace the Main Controller PCB 2. E747
PCB 2
• Main Controller
1. Check the installation of the Open
PCB 2
I/F PCB.
• Open I/F PCB
2. Replace the Open I/F PCB.
3. Replace the Main Controller PCB 2.
Supplementary Information: If the
Open I/F PCB is not installed, [no] is
displayed for the diagnosis result.
• Main Controller
1. Check the installation of the Open
PCB 2
I/F PCB or the Bypass I/F PCB on
• Open I/F PCB
the Main Controller PCB 2.
• Bypass PCB
2. Replace the Open I/F PCB or
the Bypass I/F PCB on the Main
Controller PCB 2.
3. Replace the Main Controller PCB 2.
6-130
Error
Code
E746
-
E747
E748
E747
E748
E748
E732
E747
E748
E747
E748
6-130
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Troubleshooting
