Canon GP160DF Service Manual - Page 14

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CHAPTER 1 MAINTENANCE AND SERVICING

A. Main Unit ......................................1-1

1. Periodic replacement parts .....1-1

2. Estimated lifespan of

consumable parts....................1-1

B. ADF ..............................................1-2

1. Periodic replacement parts .....1-2

2. Consumables replacement

targets .....................................1-2

CHAPTER 2 STANDARDS AND ADJUSTMENTS

A. Mechanical system.......................2-1

1. Right and left registration

adjustment...............................2-1

2. Image leading edge margin

adjustment...............................2-2

3. Attaching the scanner wire......2-2

4. Mirror positioning adjustment ..2-3

5. Printer unit receptacle

connector mount positioning

adjustment...............................2-6

6. Check the pressure (nip width)

of the fixing pressure roller .....2-6

B. Electrical System..........................2-8

1. Automatic shading

adjustment...............................2-8

CHAPTER 3 ARRANGEMENT AND FUNCTIONS

A. Clutches, solenoids ......................3-2

B. Motor, fan .....................................3-4

C. Sensors ........................................3-6

D. Switches, lamps, miscellaneous...3-8

E. PCBs ..........................................3-10

Variable resistor (VR)/LED/check

pin listed by PCB plate...............3-12

1. Image processor PCB ...........3-13

CONTENTS

OF ELECTRICAL PARTS

C. Basic servicing procedures ..........1-3

D. Cartridge storage and handling....1-4

1. Storage when the packing

seal is intact ............................1-4

2. Storage and handling when

the packing seal has been

opened ....................................1-5

2. Image positioning

adjustment...............................2-8

3. Sensor check ........................2-11

4. Image processor PCB

replacement procedures .......2-13

C. ADF height adjustment...............2-14

1. Height check .........................2-14

2. Height adjustment .................2-15

D. Skew feed adjustment ................2-16

1. Checking ADF skew feed ......2-16

2. Adjusting skew feed ..............2-17

E. Adjusting image position ............2-18

1. Checking image position .......2-18

2. Adjusting image position .......2-21

2. DC controller PCB/Sensor

PCB .......................................3-14

3. Feeder controller PCB

(Cassette feeder) ..................3-16

4. Modem board ........................3-17

5. NCU board ............................3-18

6. ADF .......................................3-19