Canon FY8-23AV-000 manual Copyboard Does the copying operation start

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CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS

3.

E2

 

 

 

 

 

 

 

 

 

 

 

Cause

Step

Checks

YES/NO

Remedies

 

 

 

 

 

Copyboard

1

Does the copying operation start

YES

Check the operation with

 

 

 

with the copyboard at the left or

 

the copyboard moved to

 

 

 

right?

 

the center; advise the user

 

 

 

 

 

that this is not the copier’s

 

 

 

 

 

problem

 

 

 

 

 

 

 

 

2

Does the copyboard move in

NO

See “The copyboard fails

 

 

 

reverse? In addition, does it

 

to move.”

 

 

 

move in reverse far too slowly?

 

 

DC controller/DC

3

Does the copyboard move in

YES

Replace the DC con-

power supply PCB

 

reverse after copying operation

 

troller/DC power supply

 

 

 

has started and move forward

 

PCB.

 

 

 

after it has reached the copy-

 

 

Copyboard drive

 

NO

1. Check the copyboard

 

board start position?

assembly,

 

 

position sensor (Q902).

 

 

 

Copyboard glass

 

 

 

2. Try replacing the copy-

assembly

 

 

 

board drive assembly.

 

 

 

 

 

3. Check the start position

 

 

 

 

 

cam and reversal cam

 

 

 

 

 

in the copyboard glass

 

 

 

 

 

assembly.

 

 

 

 

 

 

4.

E6

 

 

 

 

 

 

 

 

 

 

 

Cause

Step

Checks

YES/NO

Remedies

 

 

 

 

 

Control panel PCB

1

Replace the control panel PCB.

YES

End.

 

 

 

Is the problem corrected?

 

 

DC controller/DC

 

NO

Check the harness from

 

 

power supply PCB

 

 

 

the control panel PCB to

 

 

 

 

 

the DC controller/DC

 

 

 

 

 

power supply PCB; if

 

 

 

 

 

normal, replace/DC power

 

 

 

 

 

supply PCB.

 

 

 

 

 

 

4-2

Image 34
Contents Service Handbook Copyright 1998 Canon INC Contents Troubleshooting Malfunctions Self Diagnosis Page Durables Periodically Replaced PartsPeriodical Servicing Storing Sealed Cartridges 1D Temperature/Humidity Specifications2D Transportation Storing and Handling Unsealed Cartridges Reference Image Adjustment Basic Procedure Pre-ChecksPoints to Note Mechanical GlassAdjusting the Intensity VR604 Electrical2B PC400/FC200 Adjusting the AE Mechanism VR602, VR603 JP607 JP605 JP604 Control panel PCB Screwdriver Standards and Adjustments Site Environment Making Initial ChecksChecking the Documents Checking the Transfer Charging Roller Checking the Feeding AssemblyChecking the Lens Array for Dirt Checking the Copy PaperImage Troubleshooting Others Image Troubleshooting Samples of Image Faults Troubleshooting by Image Fault YESCopy is foggy overall Back Replace the cartridge Is the problem corrected? Copy has white spots cross feed direction Back of the copy is soiledCopy has faulty fixing Copy is foggy cross feed direction Copy has a blurred imageCopy has poor sharpness focus Copy is blank Copy is solid blackImage Troubleshooting Troubleshooting Malfunctions Self diagnosis PC400/FC200Copyboard Does the copying operation start AC power is absent Pick-up fails Scanning lamp fails to go onMain motor fails to rotate Copyboard fails to moveAt time of jam Paper feeding normallyFixing heater fails to operate Copy Paper Jams Pick-Up Assembly Separation/Feeding AssemblyFixing/Delivery Assembly Double Feeding Feeding FaultsWrinkles Arrangement and Functions of Electrical Parts Sensors and SolenoidsSwitches Lamp, Heater, Motor, and Others Printed Circuit Board PCB Variable Resistors VR and Check Pins by PCB DC Controller/DC Power Supply PCBControl Panel PCB PC400/FC200Self Diagnosis Self Diagnosis General Timing Chart PC420/430/FC220 General Timing Chart A4, 2 copies Signals/Abbreviations List SignalsAbbreviations General Circuit Diagram PC420/430/FC220 General Circuit Diagram Special Tools Table Solvents/Oils Table Specifications LTR/A4 LGLNVD Prepared by This publication is printed on 70% reprocessed paper