Canon FY8-23AV-000 manual Pick-up fails, Scanning lamp fails to go on

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CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS

7. Pick-up fails.

Cause

Step

Checks

YES/NO

Remedies

 

 

 

 

 

 

1

Move the copyboard to the left

YES

See “Pick-Up Assembly” in

 

 

until it stops, and open the top

 

“Troubleshooting Feeding

 

 

cover. Does the pick-up roller

 

Faults.”

 

 

rotate when the door switch is

 

 

 

 

turned ON and the Copy Start

 

 

 

 

key is pressed at the correct

 

 

 

 

pick-up timing?

 

 

Main motor (M1)

2

Is the main motor rotating?

NO

See “The main motor fails

 

 

 

 

to rotate.”

 

 

 

 

 

Pick-up sensor (Q131)

3

Does the copier operate nor-

YES

Check the sensor lever.

 

 

mally when the pick-up sensor

 

 

 

 

(Q131) is blocked with paper?

 

 

 

 

 

 

 

Pick-up solenoid (SL1;

4

Set the meter to the ‘30VDC’

YES

Check the spring clutch in

PC420/430/FC220),

 

range. Does the voltage

 

the registration assembly

Registration solenoid

 

between J201-6 (+) and J201-7

 

and pick-up assembly; if

(SL1; PC400/FC200)

 

(-) on the DC controller/DC

 

normal, replace the

 

 

power supply PCB change to

 

solenoid.

 

 

about 24 V at pick-up timing?

 

 

DC controller/

 

NO

Check the wiring from the

 

 

DC power supply PCB

 

 

 

solenoid to the DC con-

 

 

 

 

troller/DC power supply

 

 

 

 

PCB; if normal, replace

 

 

 

 

the DC controller/DC

 

 

 

 

power supply PCB.

 

 

 

 

 

8. The scanning lamp fails to go ON.

Cause

Step

Checks

YES/NO

Remedies

 

 

 

 

 

Scanning lamp

1

Is the scanning lamp unit

NO

Re-attach the lamp unit.

(LA1-LA8)

 

attached correctly?

 

 

 

 

 

 

 

Scanning lamp

2

Is the scanning lamp black?

YES

Replace the scanning

(LA1-LA8)

 

 

 

lamp unit.

 

 

 

 

 

DC controller/DC

3

Is the connector of the scanning

YES

Replace the DC controller/

power supply PCB

 

lamp connected firmly?

 

DC power supply PCB.

 

 

 

 

 

Connector

 

 

NO

Re-connect the connector.

 

 

 

 

 

4-4

Image 36
Contents Service Handbook Copyright 1998 Canon INC Contents Troubleshooting Malfunctions Self Diagnosis Page Periodically Replaced Parts DurablesPeriodical Servicing 1D Temperature/Humidity Specifications Storing Sealed Cartridges2D 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 Making Initial Checks Site EnvironmentChecking the Documents Checking the Feeding Assembly Checking the Lens Array for DirtChecking the Transfer Charging Roller 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 has a blurred image Copy is foggy cross feed directionCopy 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 movePaper feeding normally At time of jamFixing heater fails to operate Copy Paper Jams Pick-Up Assembly Separation/Feeding AssemblyFixing/Delivery Assembly Feeding Faults Double FeedingWrinkles 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

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