Points To Note When Replacing The Reader Controller Pcb; When Replacing The Reader Controller Pcb; When Replacing The Reder Controller Pcb - Canon ImageRunner iR8500 Series Service Manual

14.3.9 Points to Note When Replacing the reader
controller PCB
iR105i/iR105+ / iR9070
1) Execute the following two items in service mode to print out settings
stored under items: COPIER> FUNCTION> MISC-P> LBL-PRNT
and COPIER> FUNCTION> MISCP> USER-PRT.
2) Check to make sure that the Execute/Memory lamp in the control
panel is OFF, and turn off the main power switch.
3) Disconnect the power plug from the power outlet.
The machine remains powered as long as the power plug is connected.
Be sure to disconnect the power plug from the wall outlet.
4) Replace the reader controller PCB.
5) Assemble the machine, and connect the power plug to the power
outlet; then, turn on the main power switch.
6) Execute the following in service mode: COPIER> FUNCTION>
CLEAR> R-CON.
7) Turn off and then on the main power switch.
8) Execute the following in service mode: COPIER> FUNCTION>
CCD> CCD-ADJ.
9) Enter the settings printed out in step 1) for the following:
- service mode
COPIER> ADJUST> ADJ-XY (4 items)
COPIER> ADJUST> LAMP (1 item)
COPIER> ADJUST> CCD (29 items)
- user mode
10) Turn off and then on the main power switch, and execute the
following in service mode
to generate a service label; keep the service label in the service book
case: COPIER> FUNCTION> MISC-P> LBL-PRNT.

14.3.10 When Replacing the Reader Controller PCB

1) Execute the following in service mode to generate the setting of each
item: COPIER, FUNCTION>MISC-P>LBL-PRNT
COPIER>FUNCTION>MISC-P>USER-PRT.
2) Check to make sure that that Execute/Memory lamp in the control
panel are OFF, and turn off the main power switch.
3) Disconnect the power plug from the power outlet.
The machine remains supplied with power as long as its power plug is
connected to a power outlet even when its main power switch is turned
off. Be sure to disconnect the power plug.
4) Replace the reader controller PCB.
5) After assembling the machine, connect the power plug to the power
outlet, and turn on the main power switch.
6) Execute the following
COPIER>FUNCTION>CLEAR>R-CON.
7) Turn on and then off the main power switch.
8) Execute the following
COPIER>FUNCTION>CCD>CCD-ADJ.
9) Enter the setting of each item generated in step 1):
- Service Mode
COPIER>ADJUST>ADJ-XY (4 items)
COPIER>ADJUST>LAMP (1 item)
COPIER>ADJUST>CCD (29 items)
- User Mode
10) Turn off and then on the main power switch, and execute
COPIER>FUNCTION>MISC-P>LBL-PRNT in service mode to
generate a service label. Then, store it in the service book case.

14.3.11 When Replacing the Reder controller PCB

/ iR8070
0008-3977
0008-8449
and
in service mode:
in service mode:
0008-8451
1) Print out the data of user mode/service mode.
2) Check to make sure that the Execute/Memory lamp in the control
panel ore OFF, and turn off the main power switch.
3) Disconnect the power plug from the power outlet.
The machine remains supplied with power as long as its power plug is
connected to a power outlet even when is main power switch is turned
off.
Be sure to disconnect the power plug.
4) Replace the reader controller PCB.
5) Remove the EEPROM (1 pc.) from the existing PCB, and mount it to
the new PCB.
6) After assembling the machine, connect the power plug to the power
outlet, and turn on the main power switch.
7) Check to make sure that the following service mode settings are the
same as the data before replacement:
COPIER>ADJUST>AE>all items
COPIER>ADJUST>ADJ-XY>all items
COPIER>ADJUST>CCD>all items
If any service mode setting is faulty, enter the respective setting
recorded on the service label in service mode.
Chapter 14
14-27