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SERVICE MANUAL

2005.04

Ver. 1.0

AD-504

THEORY OF OPERATION

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Summary of Contents for AD-504

Page 1: ...SERVICE MANUAL 2005 04 Ver 1 0 AD 504 THEORY OF OPERATION...

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Page 3: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

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Page 5: ...n 1 Composition Operation 2 Duplex Unit AD 504 3 2 1 Construction 3 2 2 Operation 4 2 3 Electric Parts Layout 4 2 4 Switchback Operation 5 2 5 2 sided Copying with a Single Sheet of Paper Resident in...

Page 6: ...AD 504 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2005 ii Blank page...

Page 7: ...Paper Size A3 A4 R A4 A5 R A5 B4 B5 R B5 FLS Ledger Legal Letter Invoice R Invoice Paper Type Plain paper 60 to 90 g m2 recycled paper 60 to 90 g m2 Document Alignment Center Power Requirements DC24...

Page 8: ...1 Product specification Theory of Operation Ver 1 0 Apr 2005 2 AD 504 Outline Blank page...

Page 9: ...it AD 504 3 AD 504 Composition Operation Composition Operation 2 Duplex Unit AD 504 2 1 Construction 1 Duplex Unit Transport Roller 1 3 Duplex Unit Transport Roller 2 2 Duplex Unit Transport Roll 1 4...

Page 10: ...504 Composition Operation 2 2 Operation The Duplex Unit Transport Motor provides the drive for the Duplex Unit 2 3 Electric Parts Layout 4532M501AA 1 Duplex Unit Transport Motor M2 AD 3 Control Board...

Page 11: ...omposition Operation 2 4 Switchback Operation The paper printed on one side is switched back by the exit rollers on copier to transport it into the duplex unit The switchback operation of transport ro...

Page 12: ...ion of the Paper Exit Roller is reversed and the first sheet of paper is transported toward and into the Duplex Unit 3 The paper moving through the Duplex Unit is directly subjected to the second prin...

Page 13: ...sheet of paper is taken up and fed in 4 The image of page 4 of the original is printed on one side of the second sheet of paper 5 At the same time the first sheet of paper is transported through the...

Page 14: ...r 1 0 Apr 2005 8 AD 504 Composition Operation 10 While the second sheet of paper is being fed out of the copier the third sheet of paper is taken up and the image of page 6 of the original is printed...

Page 15: ...SERVICE MANUAL 2005 04 Ver 1 0 FIELD SERVICE AD 504...

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Page 17: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

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Page 19: ...r Roll 6 2 3 3 Duplex Unit Ventilation Section 6 2 3 4 Bypass Transport Roller Rolls 7 Adjustment Setting 3 How to use the adjustment section 9 4 Service Mode 10 4 1 Service Mode function setting proc...

Page 20: ...AD 504 General Maintenance Adjustment Setting Troubleshooting Field Service Ver 1 0 Apr 2005 ii 6 2 Sensor layout 17 6 3 Solution 18 6 3 1 Initial Check Items 18 6 3 2 Duplex Reversal Housing Block 18...

Page 21: ...per Size A3 A4 R A4 A5 R A5 B4 B5 R B5 FLS Ledger Legal Letter Invoice R Invoice Paper Type Plain paper 60 to 90 g m2 recycled paper 60 to 90 g m2 Document Alignment Center Power Requirements DC24 V s...

Page 22: ...1 Product specification Field Service Ver 1 0 Apr 2005 2 AD 504 General Blank page...

Page 23: ...s in operation manual and make necessary adjustment Note that when two or more screws are used on the part in questions only one representative screw may be marked with red paint C Variable Resistors...

Page 24: ...Removal Procedure 1 Right Cover Remove the Lower Right Cover Remove two screws Remove the Right Cover 2 Lower Right Cover Remove one screw Remove the Lower Right Cover 3 Front Door Remove the Right Co...

Page 25: ...aintenance 2 2 2 Control Board PWB A AD 1 Remove one screw and the Lower Right Cover 2 Remove two screws and the Right Cover 3 Remove two screws unplug all con nectors and remove the Control Board PWB...

Page 26: ...it Trans port Rollers Rolls clean of dirt 2 3 2 Switch Back Unit Transport Roller Roll 1 Remove two screws and the Duplex Unit 2 Using a soft cloth dampened with alcohol wipe the Switch Back Unit Tran...

Page 27: ...n clean of dirt 2 3 4 Bypass Transport Roller Rolls 1 Remove the Rear Right Cover 4 2 Open the Right Door 3 Remove two screws unplug one connector and remove the Bypass Assy 4 Using a soft cloth dampe...

Page 28: ...2 Other Field Service Ver 1 0 Apr 2005 8 AD 504 Maintenance Blank page...

Page 29: ...ilation etc levelness of the installation site 5 The original has a problem that may cause a defective image 6 The density is properly selected 7 The Original Glass slit glass or related part is dirty...

Page 30: ...e 1 Press the Utility key 2 Press the following keys in this order 3 Stop 0 0 Stop 0 1 4 The Service mode menu screen will appear 4 1 2 Exiting Press the Panel Reset key as many times as it is require...

Page 31: ...ons in the amount of void on the leading edge occurs Setting Procedure Setting range 3 9 to 3 9 mm 1 step 0 6 mm Adjustment Procedure 1 Call Service s Choice of Service Mode to the screen 2 Select Loo...

Page 32: ...4 Service Mode Field Service Ver 1 0 Apr 2005 12 AD 504 Adjustment Setting Blank page...

Page 33: ...n this chapter 5 1 Electrical Components Check Procedure If a paper misfeed or malfunction occurs perform the following operations to check the condition of the electrical components 5 1 1 Sensor Step...

Page 34: ...he switch YES Replace the control board 4025T523AB Not Use COM NO Step Check Result Action 1 Does the output signal of the control board change from H to L when the solenoid is activated NO Replace th...

Page 35: ...e motor NO Replace the control board Step Check Result Action 1 Does the input signal of the master board change from H to L when the motor is turned on The input signal differs depend ing on the rota...

Page 36: ...feed occurs the Error indicator lights up steadily and the Display gives a corresponding message 6 1 1 Display Resetting Procedure Open the corresponding cover clear the sheet of paper misfed and clos...

Page 37: ...Field Service Ver 1 0 Apr 2005 6 Jam Display 17 AD 504 Troubleshooting 6 2 Sensor layout 1 Duplex Unit Transport Sensor PC2 AD 4532T502CA...

Page 38: ...Sepa rator Finger Are rolls rollers dirty deformed or worn Clean or replace the defective roll roller Are the Edge Guide and Trailing Edge Stop at the correct position to accommodate the paper Set as...

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