Nc/2Nf/2Ng/2Nn/3P7/3P8/3P9 - Kyocera TASKalfa 1800 Service Manual

1-4-3 Self-diagnostic function ....................................................................................................... 1-4-19
(1) Self-diagnostic function .................................................................................................. 1-4-19
(2) Self diagnostic codes...................................................................................................... 1-4-20
1-4-4 Image formation problems ................................................................................................... 1-4-36
1-4-5 Poor image (due to DP and scanner reading) ..................................................................... 1-4-37
(1) No image appears (entirely white).................................................................................. 1-4-38
(2) No image appears (entirely black).................................................................................. 1-4-40
(3) Image is too light. ........................................................................................................... 1-4-41
(4) The background is colored. ............................................................................................ 1-4-43
(5) White streaks are printed vertically................................................................................. 1-4-45
(6) Black streaks appear longitudinally. ............................................................................... 1-4-47
(7) Streaks are printed horizontally. ..................................................................................... 1-4-49
(8) One side of the print image is darker or brighter than the other. .................................... 1-4-51
(9) Black dots appear on the image. .................................................................................... 1-4-53
(10) Image is blurred.............................................................................................................. 1-4-54
(11) The leading edge of the image is consistently misaligned with the original. .................. 1-4-56
(12) Part of image is missing. ................................................................................................ 1-4-57
(13) Image is out of focus. ..................................................................................................... 1-4-59
(14) Image center does not align with the original center. ..................................................... 1-4-61
(15) Moires............................................................................................................................. 1-4-62
(16) Skewed image ................................................................................................................ 1-4-63
(17) Abnormal image ............................................................................................................. 1-4-65
1-4-6 Poor image (Image rendering problems: printer engine ...................................................... 1-4-66
(1) No image appears (entirely white).................................................................................. 1-4-68
(2) No image appears (entirely black).................................................................................. 1-4-69
(3) Image is too light. ........................................................................................................... 1-4-70
(4) The background is colored. ............................................................................................ 1-4-72
(5) White streaks are printed vertically................................................................................. 1-4-74
(6) Black streaks appear longitudinally. ............................................................................... 1-4-75
(7) Black or white streaks appear horizontally. .................................................................... 1-4-76
(8) Uneven density longitudinally. ........................................................................................ 1-4-77
(9) Uneven density horizontally............................................................................................ 1-4-78
(10) Black dots appear on the image. .................................................................................... 1-4-79
(11) Offset occurs. ................................................................................................................. 1-4-80
(12) Image is partly missing. .................................................................................................. 1-4-81
(13) Image is out of focus. ..................................................................................................... 1-4-82
(14) Poor grayscale reproducibility. ....................................................................................... 1-4-82
(15) Unevenly repeating horizontal streaks in the printed objects.
Spots in the printed objects. ........................................................................................... 1-4-83
(16) mage is blurred (Shifted transferring). ........................................................................... 1-4-84
(17) The leading edge of the image is consistently misaligned with the original. .................. 1-4-85
(18) The leading edge of the image is sporadically misaligned with the original. .................. 1-4-86
(19) Paper is wrinkled. ........................................................................................................... 1-4-86
(20) Fusing is loose................................................................................................................ 1-4-87
(21) Image center does not align with the original center. ..................................................... 1-4-88
(22) Dirty paper edges with toner........................................................................................... 1-4-88
(23) Dirty reverse side of paper. ............................................................................................ 1-4-89
1-4-7 Electric problems ................................................................................................................. 1-4-90
1-4-8 Mechanical problems........................................................................................................... 1-4-93
1-4-9 Send error code ................................................................................................................... 1-4-94

2NC/2NF/2NG/2NN/3P7/3P8/3P9-4