Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 100

E Detailed Occurance Items
code code area
E413 -0012 -04 Title
Description
of detection
Measures
E423 -0001 -04 Title
Description
of detection
Measures
E423 -0002 -04 Title
Description
of detection
Measures
3
E490 -0001 -04 Title
Description
of detection
Measures
3-74
Description
Failure of the DADF detachment motor 2 (M7)
Even when the DADF detachment motor 2 (M7) is driven,
the DADF detachment home position sensor 2 (SR16) is
not turned OFF within a specified period.
1. Displacement/disconnection of the connector of the
detachment home position sensor 2 (SR16)
2. Displacement/disconnection of the connector of the
detachment motor 2 (M7)
3. Failure of the detachment home position sensor 2
4. Failure of the detachment motor 2
5. Failure of the DADF driver PCB (PCB1)
DADF SDRAM error
SDRAM access error
Failure of the SDRAM (video image memory) located on
the reader controller PCB (PCB1)
DADF SDRAM error
SDRAM Verify error
Failure of the SDRAM (video image memory) located on
the reader controller PCB (PCB1)
DADF model mismatch error
DADF that is not supported is installed.
1. DADF of a different model is installed.
2. Failure of the reader controller PCB (PCB1)
3. Failure of the DC controller PCB
4. Failure of the main controller PCB
T-3-9