Canon IMAGE READER-B1 Service Manual - Page 20

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3.3 The copy is too light

3.4 The copy has uneven density

3.5 The copy has uneven density

3.6 The copy is foggy

3.7 The copy is foggy (vertical) .... 4-14T

3.8 The copy has a black line

3.9 The copy has a black line

3.10 The copy has a white spot

3.11 The copy has a white line

3.12 The copy has a white spot

3.13 The back of the copy is soiled/

3.14 The copy has a fixing fault ... 4-19T

3.15 The copy has a displaced

3.16 The copy has a displaced

3.17 The copy has a displaced

3.18 The copy is blurred ................. 4-21T

3.19 The copy is foggy

3.20 The copy has inadequate

3.21 The copy is completely

3.22 The copy is completely

3.23 The copy has a block/white

3.24 The copy has a black line

Troubleshooting Malfunctions ...... 4-28T

4.1 Power Supply System ............ 4-28T

4.1.1

fineline6

(entire face, considerable) ....... 4-10T

(darker at front) ...................... 4-12T

(lighter at front) ...................... 4-12T

(entire face) ............................. 4-13T

(vertical, fuzzy, thick) ............. 4-14T

(vertical, fine) ......................... 4-15T

(vertical) ................................. 4-16T

(horizontal) ............................. 4-17T

Soiled edge ............................ 4-18T

leading edge ............................ 4-20T

leading edge (large margin) .... 4-20T

margin (no margin) ................. 4-20T

(horizontal) ............................. 4-22T

sharpness ................................ 4-23T

blank ....................................... 4-24T

black ....................................... 4-26T

dot after replacement of the

drum unit ................................ 4-27T

(stream reading) ...................... 4-27T

The AC power is absent ... 4-28T

4.1.2

The DC power is

absent ............................... 4-29T

4.2 Printer Unit ............................. 4-30T

4.2.1

Pickup fails ...................... 4-30T

4.2.2

The lifter fails to move up

(pickup from the

cassette) ............................ 4-31T

4.2.3

The vertical path roller

fails to rotate ..................... 4-32T

4.2.4

The registration roller

fails to rotate ..................... 4-32T

4.2.5

Pickup from the multifeeder

tray fails (i.e., the pickup

roller fails to rotate) .......... 4-33T

4.2.6

Pickup from the multifeeder

tray fails (i.e., the multifeeder

holding plate fails to

move up) .......................... 4-33T

4.2.7

The photosensitive drum

fails to rotate ..................... 4-34T

4.2.8

The pre-exposure lamp

fails to go ON .................. 4-34T

4.3 Reader Unit ............................ 4-35T

4.3.1

The No. 1 mirror base

fails to move ..................... 4-35T

4.3.2

The scanning lamp

fails to go ON .................. 4-36T

4.4 Message Indication ................. 4-37T

4.4.1

The "Add Toner" message

fails to go OFF ................. 4-37T

4.4.2

The "Control Card Set" message

fails to go OFF (when no card

reader is installed) ............ 4-37T

4.4.3

The "Add Paper" message

fails to go OFF ................. 4-37T

4.4.4

The "Close the Front Cover"

massage fails to go OFF .. 4-38T

4.5 Paper Deck ............................ 4-39T

4.5.1

Pickup fails ..................... 4-39T

4.5.2

The deck lifter fails to

move up ........................... 4-40T

Troubleshooting Feeding Faults ..... 4-41T

5.1 Paper Jams ............................. 4-41T

5.1.1

Pickup Assembly ............. 4-42T

300 REV.1 JAN. 2002

CONTENTS

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