Procedure After Replacing The Image Processor Pcb; Ram; Removing The Sdram - Canon LC800 Series Service Manual

Chapter 10
9) Remove the SEND PCB [1]. (if equipped with SEND functions)
- Screw [2] 1pc.
10) Remove the counter PCB [3]. (if equipped with softcounter functions)
- Screw [4] 1pc.
11) Remove the memory PCB [5]. (Due to the model there would be one
piece or two pieces)
12) Remove the SEND memory [6]. (if equipped with SEND functions)
12) Disconnect all connectors and flexible cables from the image processor
PCB.
13) Remove the image processor PCB [7].
- Screw [8] 8pcs.
[5]
[6]
[8]
[2] [1]
[7]
If the image processor controller PCB must be replaced, be sure to transfer
the following from the old to new PCB:
1. SEND PCB [1] (if equipped with SEND functions)
2. counter PCB [4](if equipped with softcounter functions)
10.4.6.3 Procedure after Replacing the Image Processor
PCB
i-SENSYS Fax-L3000 / i-SENSYS Fax-L3000IP
If you have replaced the image processor PCB with a new one, perform the
following operations:
1. Updating the system software
2. Executing all clear
3. Importing the service data/ user registration data
4. Reading related adjustment
1. Updating the system software
Using the service support tool, download the latest system software (System/
Boot/SEND*1).
*1: if equipped with SEND functions
2. Executing all clear
1) After connecting the power plug to the host machine, turn on the main
power switch.
2) Enter service mode.
Sequentially press the Additional functions key, 2 key, 8 key, and Addi-
tional functions key on the operation panel.
3) Press the arrow key on the touch panel to display "CLEAR".
4) Press the arrow key to display 'ALL', and then press OK. All Clear is ex-
ecuted.(About 40 seconds)
3. Importing the service data/ user registration data
Service data
- Input the all value printed on the service label affixed to the rear cover.
User registration data
1) Press the flowing keys to enter the service mode.
Additional functions key > 2 key > 8 key > Additional functions key
2) Select "#SYSTEM" using the arrow key, and then press the OK.
3) Select "#SYSTEM SW" using the arrow key, and then press the OK.
4) Press the following keys to display "SW003".
# > 0 key > 3 key
Message: #SYSTEM SW003 00001000
5) Check that Bit-6 (second from left) is set to set to "1". If Bit-6 is not set to
"1", position the cursor at this bit using the arrow key and then press the
1 key.
10-12
[8]
[4]
[3]
[8]
F-10-28
Message: #SYSTEM SW003 01001000
6) Press the OK key. Check that "SW003" changes to "SW004".
Message: #SYSTEM SW004 00000000
7) Press the Reset key to exit the service mode.
8) Turn off the main power switch, and then turn it on again.
9) Open My Computer on the PC to check that the "Removal Disk" icon is
displayed.
10) Write the user data (address_book.abk and user_data.dat) copied onto
the Desktop as described in "a. Exporting user data" over the removable
disk.
11) Disconnect the USB cable from the machine.
12) Turn off the main power switch of the machine.
13) Perform steps 1) to 4) again to reset Bit-6 of "SW003" to "0".
14) Press the OK key. When "SW003" changes to "SW004", press the Reset
key to exit the service mode.
15) Check the user data list output as described in "a. Exporting user data" to
make sure that the user data has been loaded into the machine properly.
4. Reading related adjustment
- Correction of output between CIS channels
1) Enter the service mode.
Sequentially press the Additional functions key, 2 key, 8 key, and Additional
functions key on the operation panel.
2) Press the arrow key on the touch panel to display "TEST MODE".
3) Press [OK].
4) Press the [2] key to display "SCAN TEST".
5) Press the [1] key to display "SHADING".
6) Press [OK].
After completion of the above procedure, the contact sensor output is com-
pensated and parameters are set automatically.
After completion of automatic adjustment, "OK" is displayed.
Only on image processor PCB system software version WLaa-07-07 of IM-
AGE CLASS 810/i-SENSYS FAX-L3000/FAX-L3000.
If the indicator indicates 'NG' after finishing the auto adjustment, change the
service mode as mentioned below and redo the auto adjustment.
- #SCAN> SCAN SW> SW003> bit6, and change the setting from 1 to 0.

10.4.7 RAM

10.4.7.1 Removing the SDRAM

i-SENSYS Fax-L3000 / i-SENSYS Fax-L3000IP
0017-3631
1) Remove the rear cover.
2) Remove the LAN cover [1].
- Connector [2] 1pc.
- Clamp [3] 1pc. (remove the cable.)
- Screw [4] 6pcs.
[4]
3) Change the position of the jumper plug (JP100) [2] on the modem PCB
[1].
Disconnecting/connecting the modem PCB without this operation may cause
broken SDRAM.
[4]
[3] [2]
F-10-29
0017-8973
[1]