Troubleshooting - Kyocera ECOSYS P2235dw Service Manual

(2) Descriptions of service modes............................................................................................. 6-3
6-2 Service mode (LED model) .................................................................................................... 6-14
(1) Maintenance menu ............................................................................................................ 6-14
(2) Printing the report .............................................................................................................. 6-15
(3) Toner install mode ............................................................................................................. 6-17
(4) Checking/clearing the maintenance cycle ......................................................................... 6-17
6-3 Print event log......................................................................................................................... 6-18
7

Troubleshooting

7-1 Image formation failure ............................................................................................................. 7-1
(1) Engine Factors (Paper conveying cause: Transfer, Fuser and Separation)........................ 7-2
(1-1) spots........................................................................................................................... 7-5
(1-2) Horizontal streaks or bands........................................................................................ 7-5
(1-3) Vertical streaks or bands (white) ................................................................................ 7-5
(1-4) Vertical streaks or bands............................................................................................ 7-6
(1-5) Center of the original and output image is inconsistent.............................................. 7-6
(1-6) Irregular error in the leading edge between original
and output image (variation in the paper leading edge timing) .................................. 7-6
(1-7) Blank image................................................................................................................ 7-7
(1-8) The image is not partly printed (blank or white spots) ............................................... 7-7
(1-9) The entire image is light ............................................................................................. 7-7
(1-10) Blurred image ............................................................................................................. 7-8
(1-11) Blurred characters ...................................................................................................... 7-8
(1-12) Color shift in the main scanning direction................................................................... 7-8
(1-13) Color shift in the sub scanning direction..................................................................... 7-8
(1-14) Toner smudge at the paper edge ............................................................................... 7-9
(1-15) Dirty reverse side ....................................................................................................... 7-9
(1-16) Offset image ............................................................................................................... 7-9
(1-17) Color reproduction is poor ........................................................................................ 7-10
(1-18) Fusing failure............................................................................................................ 7-10
(1-19) Paper skew............................................................................................................... 7-11
(1-20) Uneven transfer........................................................................................................ 7-11
(1-21) Paper creases .......................................................................................................... 7-12
(2) Engine Factors (Image forming cause) ............................................................................. 7-13
(2-1) Background is colored.............................................................................................. 7-15
(2-2) Black dots................................................................................................................. 7-16
(2-3) Horizontal streaks or bands (white/black) ................................................................ 7-17
(2-4) Irregular horizontal streaks and bands (black) ......................................................... 7-18
(2-5) Vertical streaks or bands (white) .............................................................................. 7-18
(2-6) Vertical streaks and bands (black) ........................................................................... 7-19
(2-7) Blank image.............................................................................................................. 7-19
(2-8) Entire blank image (black)........................................................................................ 7-20
(2-9) Part of the image is not copied................................................................................. 7-20
(2-10) The entire image is light ........................................................................................... 7-21
(2-11) Blurred image ........................................................................................................... 7-22
(2-12) Offset image ............................................................................................................. 7-22
(2-13) Horizontal uneven density ........................................................................................ 7-23
(2-14) Vertical uneven density ............................................................................................ 7-23
7-2 Feeding/Conveying Failures ................................................................................................... 7-24
(1) Prior standard check items ................................................................................................ 7-24
2RV/2RW/2RX/2RY/3RA-3