Hdd Reading/Writing Operation; List Of Operation Status (Led) - Canon imageRUNNER ADVANCE 8105 Series Service Manual

2
Technology > Main Controller > Controls > HDD mirroring feature (option)
"Rebuild" progress is shown in a massage at the status line on the control panel.
"Copying hard disk data... xx%"
MEMO:
This machine can be used even during "rebuild" process (operation is performed
•
with HDD1)
The HDD will not be damaged even if turning OFF the power during "rebuild"
•
process. "Rebuild" is resumed once the power is turned ON the next time. This
does not apply in the case of blackout or disconnecting the power code during
"rebuild" process
2 Technology > Main Controller > Controls > HDD mirroring feature (option)
●

HDD reading/writing operation

At reading:
Data is read by HDD1 (master HDD)
only
Main controller PCB 2
Mirroring PCB
HDD HDD
1 2
The ACT LED (green) on the LED PCB is lighted up/blinking if reading/writing to each HDD
is performed properly.
In the case of failure:
The LED (red) on the LED PCB is blinking. If only one HDD is faulty, the operation is
•
continued by the other HDD.
If both two HDDs are faulty, E602 error is shown on the control panel to stop the
•
operation.

List of operation status (LED)

---: Light-out A: lighting-up B: blinking
Status
Green LED Red LED Green LED Red LED
At normal operation
During access with HDD1
During access with HDD2
HDD1 is faulty
HDD2 is faulty
During data copy to HDD1 (rebuild)
During data copy to HDD1 (rebuild)
At writing:
The same data is written to each HDD at
the same timing
Main controller PCB 2
Mirroring PCB
HDD HDD
1 2
F-2-34 F-2-34
HDD 1 (Ch A) HDD 2 (Ch B)
--- --- --- ---
A --- --- ---
--- --- A ---
--- A --- ---
--- --- --- A
---/A B ---/A ---
---/A --- ---/A B
T-2-13 T-2-13
2-24
2-24