Canon LBP5050 Series Service Manual page 79

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Service manual (104 pages)

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Table of Contents

Contents

5.1 MEASUREMENT AND ADJUSTMENT ....................................................................................................................5-1

5.1.1 Test Print ...................................................................................................................................................................................... 5-1

5.1.1.1 Test Pages........................................................................................................................................................................................................5-1

5.1.2 Adjustment of Laser Exposure System....................................................................................................................................... 5-1

5.1.2.1 After Replacing the laser scanner unit ............................................................................................................................................................5-1

5.1.3 Adjustment of Electrical Components ........................................................................................................................................ 5-1

5.1.3.1 After Replacing the DC controller PCB..........................................................................................................................................................5-1

5.1.3.2 After Replacing the Main Controller PCB......................................................................................................................................................5-1

5.1.4 Adjustment of Fixing System ..................................................................................................................................................... 5-2

5.1.4.1 Nip-width specifications .................................................................................................................................................................................5-2

5.2 SERVICE TOOLS .........................................................................................................................................................5-3

5.2.1 Standard Tools ............................................................................................................................................................................. 5-3

5.2.2 Solvents and Oils ......................................................................................................................................................................... 5-3

5.3 ERROR CODE ..............................................................................................................................................................5-3

5.3.1 Error code..................................................................................................................................................................................... 5-3

5.4 Version Up .....................................................................................................................................................................5-6

5.4.1 Outline.......................................................................................................................................................................................... 5-6

5.4.1.1 Overview of Version Upgrading .....................................................................................................................................................................5-6

5.5 Service Mode .................................................................................................................................................................5-6

5.5.1 Outline.......................................................................................................................................................................................... 5-6

5.5.1.1 Outline.............................................................................................................................................................................................................5-6

5.5.2 Service Mode Table ..................................................................................................................................................................... 5-7

5.5.2.1 Service Mode Items.........................................................................................................................................................................................5-7

5.5.2.2 Service Chart Print 1 .......................................................................................................................................................................................5-8

5.5.2.3 Service Chart Print 2 .......................................................................................................................................................................................5-9

5.5.2.4 Status Print B.................................................................................................................................................................................................5-12

Contents

Table of Contents