1-1-29
1AF
CONTENTS
3-6 Troubleshooting
3-6-1 Image formation problems .................................................................. 3-6-1
(1) No image (entirely white). ............................................................ 3-6-4
(2) No image (entirely black). ............................................................ 3-6-5
(3) Image is too light. ........................................................................ 3-6-6
(4) Background is visible. .................................................................. 3-6-6
(5) A white line appears longitudinally. ............................................. 3-6-7
(6) A black line appears longitudinally. ............................................. 3-6-7
(7) A black line appears laterally. ...................................................... 3-6-8
(8) One side of the copy image is darker than the other. .................. 3-6-9
(9) Black dots appear on the image. ................................................. 3-6-9
(10) Image is blurred. ........................................................................ 3-6-10
(11) The leading edge of the image is consistently misaligned with
the original. ................................................................................ 3-6-10
(12) The leading edge of the image is sporadically misaligned with
the original. ................................................................................ 3-6-11
(13) Paper creases. .......................................................................... 3-6-11
(14) Offset occurs. ............................................................................ 3-6-12
(15) Black lines appear on both sides of the image in reduction
copies. ....................................................................................... 3-6-13
(16) Image is partly missing. ............................................................. 3-6-13
(17) Fixing is poor. ............................................................................ 3-6-14
(18) Image is out of focus. ................................................................ 3-6-14
(19) Image is not square longitudinally. ............................................ 3-6-14
(20) Image is not square laterally. .................................................... 3-6-15
(21) Image is partially missing laterally. ............................................ 3-6-15
3-6-2 Paper misfeeds ................................................................................. 3-6-16
(1) A paper jam in the registration section is detected as soon as
the main switch is turned on (J30 appears). .............................. 3-6-16
(2) A paper jam in the eject section is detected as soon as the
main switch is turned on (J50 appears). .................................... 3-6-16
(3) A paper jam in the paper drawer is detected during copying
(PF appears). ............................................................................ 3-6-16
(4) A paper jam on the bypass table is detected during copying
(PF appears). ............................................................................ 3-6-17
(5) A paper jam in the paper conveying or fixing section is
detected during copying (J40 appears). .................................... 3-6-17
(6) A paper jam in the eject section is detected during copying
(J50 appears). ........................................................................... 3-6-18
3-6-3 PCB terminal voltages ...................................................................... 3-6-19
(1) Composite PCB ......................................................................... 3-6-19
(2) Main PCB .................................................................................. 3-6-21
(3) Operation unit PCB ................................................................... 3-6-26
Summary of Contents for DC-1560
Page 1: ...DC 1560 2050 KME S M SERVICE MANUAL Published in Oct 99 841AF110 DC 1560 2050 DC 1560 2050...
Page 3: ...SERVICE MANUAL DC 1560 2050...
Page 13: ...1 1 7 1AF CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1...
Page 15: ...1 1 11 1AF CONTENTS 2 1 Electrical Parts Layout 2 1 1 Electrical parts layout 2 1 1...
Page 27: ...DC 1560 2050 KME S M I Theory and Construction Section THEORY AND CONSTRUCTION SECTION I...
Page 33: ...1 1 7 1AF CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1...
Page 78: ...DC 1560 2050 KME S M ELECTRICAL SECTION II II Electrical Section...
Page 79: ...1 1 11 1AF CONTENTS 2 1 Electrical Parts Layout 2 1 1 Electrical parts layout 2 1 1...
Page 98: ...DC 1560 2050 KME S M III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION...
Page 169: ...1AF 3 3 13 End Yes No Press the stop clear key Exit simulation mode Adjust for another mode...
Page 201: ...1AF 3 3 45 End Yes Press the stop clear key Exit simulation mode No Adjust for another mode...
