Laser Exposure System; Image Formation System; Laser Scanner Unit - Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest

Procedure of
Caution: Points to Note when Using the System Software-installed
adjustment
HDD
When using the HDD which was installed the system software of
the other machine (different serial number), be sure to format the
HDD after the installation. If the HDD is not formatted, the operation
cannot be guaranteed.
■ TPM PCB
Procedure of parts Refer to Chapter 6, "List of PCB."
replacement
Procedure of When TPM setting is "OFF"
adjustment Any operation is not necessary at replacement.
When TPM setting is "ON"
It is necessary to restore the TPM key which was backed up after changing
the setting to "ON".
2
1) Removing the network cable
Until the TPM key is restored, information might be leaked due to the
inappropriate access via network, so be sure to perform this operation
appropriately.
2) Connecting the USB Memory after turning ON the main power switch
3) Restoring the TPM key
Management Settings > Data Management >TPM Settings> Restore of TPM
Key
4) Turning OFF and ON the main power switch
■ Flash PCB
Procedure of parts Refer to Chapter 6, "List of PCB."
replacement
Procedure of Any operation is not necessary at replacement.
adjustment
■ Riser PCB
Procedure of parts Refer to Chapter 6, "List of PCB."
replacement
Procedure of Any operation is not necessary at replacement.
adjustment Setting unit as a service part:
Riser PCB + Frame
2-6

Laser Exposure System

■ Laser Scanner Unit

Procedure of parts Refer to Chapter 0, "Removing the Laser Scanner Unit."
replacement
Procedure of 1) Execute the initial position adjustment of the Skew Correction Motor.
adjustment (COPIER > FUNCTION > LASER > LD-ADJ-Y/M/C)
2) Execute the color displacement correction.
(Additional Functions (Setup/Register) > Adjustment/Maintenance > Image
T-2-10
Adjustment > Color Displacement Correction)

Image Formation System

■ Primary Charging Wire
Procedure of parts Refer to Chapter 0, "Replacing the Primary Charging Wire."
replacement
Procedure of 1) Execute cleaning of the Charging Wire.
adjustment (COPIER > FUNCTION > CLEANING > WIRE-EX)
2) Execute the potential control.
(COPIER > FUNCTION > DPC > DPC)
■ Grid Plate
Procedure of parts Refer to Chapter 0, "Removing the Grid Plate."
replacement
Procedure of 1) Execute cleaning of the Charging Wire.
adjustment (COPIERER > FUNCTION > CLEANING > WIR E-EX)
2) Execute the Potential Control.
(COPIER > FUNCTION > DPC > DPC)
T-2-11
■ Primary Charging Assembly
Procedure of parts Refer to Chapter 0, "Removing the Primary Charging Assembly."
replacement
Procedure of 1) Output the Bk halftone image in Service Mode.
adjustment (TEST > PG > TYPE: 5)
(TEST > PG > COLOR-Y/M/C: 0)
T-2-12
(TEST > PG > COLOR-K: 1)
2) In the case of density difference between the front and the rear on the test
print image with the dark image on the front side of the test print, go to step
3-1) to make adjustments. With the dark image on the rear side of the test
print, go to step 4-1) to make adjustments. If there is no density unevenness,
execute the work in step 5) and later.
T-2-13
T-2-14
T-2-15
T-2-16