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Controller System - Canon MF8580Cdw Service Manual

Mf8500/mf8200 series
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Also See for MF8580Cdw 
Manual - 750 pages
User manual - 750 pages
Getting started - 292 pages

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5
Adjustment > Adjustment at Parts Replacement > Controller System > Main controller PCBs
3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with
the following service mode 1. Then, check the auto setting value with the following service
mode 2 and write the value in the service label.
1. White level adjustment
• COPIER > FUNCTION > CCD > DF-WLVL1 (White level adjustment [copyboard
scanning])
• COPIER > FUNCTION > CCD > DF-WLVL3 (White level adjustment BW [copyboard
scanning])
Then, set a blank paper on the DF, and execute the following service mode.
• COPIER > FUNCTION > CCD > DF-WLVL2 (White level adjustment [DF scanning])
• COPIER > FUNCTION > CCD > DF-WLVL4 (White level adjustment BW [DF
scanning])
If it fails, turn OFF/ON the power and execute the operation again.
2. Checking the setting value
• COPIER> ADJUST> CCD> DFTAR-R (RED shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-G (GREEN shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-B (BLUE shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-BW (Monochrome shading target value when
using DF)
4) Execute the reading position adjustment with the following service mode.
• COPIER > ADJUST > ADJ-XY > ADJ-Y (Value adjustment for image reading start
position [vertical scanning direction] <X-axis direction>)
• COPIER > ADJUST > ADJ-XY > ADJ-Y-DF (Adjustment of surface horizontal scanning
position in FEEDER mode)
• COPIER > ADJUST > ADJ-XY > ADJ-X-MG (Fine-adjustment of optical motor speed)
5) Execute the original stop position and feed speed adjustment at stream reading.
• FEEDER > ADJUST > DOCST (Image reading start position adjustment at ADF
reading)
• FEEDER > ADJUST > LA-SPEED (Original feed speed adjustment)
5
Adjustment > Adjustment at Parts Replacement > Controller System > Main controller PCBs

Controller System

■ Main controller PCBs
Before Replacing the Main Controller PCB
Back up user data (settings, registered data, etc.) and service mode data for setting and
registration after PCB replacement. Take notes if data is unable to back up.
1) In Remote UI, perform the following procedure to export the user data (login in
administrator mode).
In Setting/Registration > Import/Export > Menu > Export, select an item and then start
export.
2) In service mode, perform the following procedure to export the service mode data (and
then import it after replacement).
FUNCTION > SYSTEM > EXPORT
3) Record the default settings shown on the service label [1] (these are entered after
replacement).
4) Write down the machine's serial number and the data of Settings/Registration > System
Settings > Device Information> Location (these are entered after replacement).
5-6
[1]
F-5-3
5-6

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