Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 20

Procedure of 5) Execute cleaning of the Charging wire in Service Mode (FUNCTION >
adjustment CLAENING > WIRE-CLN) Duration: approx. 30 sec.
6) Execute the potential control in Service Mode (COPIER > FUNCTION > DPC
> DPC) Duration: approx. 30 sec.
7) Execute the density unevenness correction in User Mode
Execute Density Unevenness Correction ([Setting/Register)] > [Adjustment/
Maintenance] > [Adjust Image Quality] > [Correct shading])
■ Pre-Primary Transfer Charging Wire
Procedure of parts Refer to Chapter 0, "Replacing the Pre-Transfer Charging Wire."
replacement
Procedure of 1) Execute cleaning of the Charging Wire.
adjustment (COPIER > FUNCTION > CLEANING > WIRE-EX)
■ Pre-Primary Transfer Charging Assembly
Procedure of parts Refer to Chapter 0, "Removing the Pre-Transfer Charging Assembly."
replacement
Procedure of 1) Execute cleaning of the Charging Wire.
adjustment (COPIER > FUNCTION > CLEANING > WIRE-EX)
2
■ Drum Unit
Procedure of parts Refer to Chapter 0, "Removing the Drum Unit (Bk)."
replacement Refer to Chapter 0, "Removing the Developing Assembly (Y) / (M) / (C) and the
Drum Unit (Y) / (M) / (C)."
Procedure of 1) Disable (OFF) the warm-up rotation.
adjustment (COPIER>FUNCTION>INSTALL>AINR-OFF)
2) Turn OFF the main power switch. (Replace the Drum.)
3) Turn ON the main power switch.
4) Forcible execution of Drum replacement mode
(COPIER>FUNCTION>DPC>DRMRSETY/M/C/K)
5) Enable (ON) the warm-up rotation. (COPIER>FUNCTION>INSTALL>AINR-
OFF)
■ Developing Assembly
Procedure of parts Refer to Chapter 0, "Removing the Developing Assembly (Bk)."
replacement Refer to Chapter 0, "Removing the Developing Assembly (Y) / (M) / (C) and the
Drum Unit (Y) / (M) / (C)."
2-8
Procedure of [Measures before replacing the Developing Assembly.]
adjustment 1) Disable (OFF) the warm-up rotation.
(COPIER>FUNCTION>INSTALL>AINR-OFF)
2) Turn OFF the main power switch. (Replace the Developing Assembly.)
[Measures after replacing the Developing Assembly.]
1) Turn ON the main power switch.
2) Execution of initial installation mode for Developing Assembly.
(COPIER>FUNCTION>INSTALL>INISET-Y/M/C/K)
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3) Execution of setting of Y-toner density.
(COPIER>FUNCTION>INSTALL>TD-AD-Y/M/C/K)
4) Enable (ON) the warm-up rotation.
(COPIER>FUNCTION>INSTALL>AINR-OFF)
5) Settings/Registration mode: Adjustment/Maintenance > Adjust Image Quality
> Auto Adjust Gradation
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