April, 2007
ADDITIONAL INFORMATIONS
4-85
4.4.5 DIRTY BLACK LINE IN CUB-SCAN DIRECTION OR DIRTY
BACKGROUND
SYMPTOM:
1. A dirty black line [A] shows in the sub-scan direction in single color (C, M, Y or
K).
2. Dirty back ground in halftone image.
CAUSE:
Drum charge roller becomes dirty. This can be a common occurrence especially in
high copy volume machines, or, machines used under low temperature/low
humidity conditions (temperature 10
°
C or 50 F/ humidity 15%).
ACTION:
Remove the drum charge roller from the PCU, and clean it according to the
procedure explained below.
1. Remove the PCU, whose color has the symptom. (See “APPENDIX” of this
section for details on how to print out the K, M, C or Y halftone test pattern).
NOTE: Make sure you put the removed PCU on the PCU stand when you do these
procedures. Also, make sure to place a sheet of paper on the PCU to not
let the OPC drum gets exposed to light.
Paper Feed Direction
[A]
<<Example of Cyan halftone image>>
Содержание e-STUDIO 4500c
Страница 48: ...August 2006 COPIER E STUDIO4500C 5500C 1 9 Installation A Under ARDF B Operation panel film B132I002 WMF A B ...
Страница 79: ...COPY TRAY B756 August 2006 1 40 1 4 2 INSTALLATION 1 Remove the left upper cover A x 2 B756I101 WMF A ...
Страница 329: ...BOARDS August 2006 3 142 3 14 9 AC DRIVE BOARD Remove left lower cover 3 2 3 A AC drive board x8 x6 B132R727 WMF A ...
Страница 342: ...August 2006 AIR FILTERS 3 155 3 17 3 SCANNER FILTER Remove A Top left cover x1 B Scanner filter B132R730 WMF A B ...
Страница 460: ...ADDITIONAL INFORMATIONS April 2007 4 82 5 Remove the bracket G 1 screw 6 Remove the harness cover H 1 screw G H ...
Страница 722: ...BOARDS August 2006 6 6 6 2 BOARDS 6 2 1 BLOCK DIAGRAM B132D981 WMF ...
Страница 871: ...A3 11 x17 PAPER SIZE TRAY Machine Code B331 06 09 ...
Страница 873: ......
Страница 878: ...LCT LARGE CAPACITY TRAY Machine Code B473 06 09 ...
Страница 880: ......
Страница 896: ...PAPER END DETECTION September 2006 B473 16 06 09 ...
Страница 897: ...Peripherals 2000 3000 SHEET FINISHER Machine Code B700 B701 ...
Страница 901: ......
Страница 972: ...COVER INTERPOSER TRAY Machine Code B704 06 09 ...
Страница 988: ...3000 SHEET FINISHER Machine Code B706 06 09 ...
Страница 991: ......
Страница 1048: ...9 BIN MAILBOX Machine Code B762 06 09 ...
Страница 1050: ......
Страница 1062: ...PAPER MISFEED DETECTION TIMING September 2006 B762 12 06 09 ...
Страница 1096: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 1 4 ...
Страница 1097: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 2 4 ...
Страница 1098: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 3 4 ...
Страница 1099: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 4 4 ...
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