Ricoh D0C8, Руководство по обслуживанию

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D0CA/D0C9/D0C8/D0CB xvii SM
recognizing whether the original is full color or black-and-white. ....................... 6-135
Using SP4-939-001 (ACS:Color Range), you can adjust the level of (1) Chromatic
Color Recognition for recognizing whether the original is full color or
black-and-white. .................................................................................................. 6-136
6.12.4 MISRECOGNITION OF AUTO COLOR SELECTION (COPY/SCANNER) ... 6-136
Error Condition .................................................................................................... 6-136
The misrecognition occurs when copying an original which has color at the edge,
and that color is printed on the output 10 mm from the edge in the ACS mode. 6-136
The misrecognition occurs when scanning an original which has color only 15 mm
from the edge (using the original as a standard) in the ACS mode. ................... 6-137
Cause .................................................................................................................. 6-137
Countermeasure .................................................................................................. 6-137
6.12.5 FAILURE TO REPRODUCE COLORED TEXT DURING COLOR COPYING6-139
6.12.6 LINE POSITION ADJUSTMENT ..................................................................... 6-141
Test ...................................................................................................................... 6-141
Countermeasure List for Color Registration Errors ............................................. 6-142
6.12.7 BLANK PRINT ................................................................................................. 6-146
6.12.8 ALL-BLACK PRINT ......................................................................................... 6-147
6.12.9 MISSING CMY COLOR .................................................................................. 6-147
6.12.10 LIGHT PRINT ............................................................................................ 6-147
6.12.11 REPEATED SPOTS OR LINES ON PRINTS ........................................... 6-148
6.12.12 DARK VERTICAL LINE ON PRINTS ........................................................ 6-148
6.12.13 WHITE HORIZONTAL LINES OR BANDS ............................................... 6-148
6.12.14 MISSING PARTS OF IMAGES ................................................................. 6-149
6.12.15 DIRTY BACKGROUND ............................................................................ 6-149
6.12.16 PARTIAL CMY COLOR DOTS ................................................................. 6-149
6.12.17 DARK IRREGULAR STREAKS ON PRINTS ........................................... 6-149
6.12.18 CMY COLOR IRREGULAR STREAKS .................................................... 6-149
6.12.19 GHOSTING ............................................................................................... 6-149
6.12.20 UNFUSED OR PARTIALLY FUSED PRINTS .......................................... 6-150
6.12.21 IMAGE SKEW ........................................................................................... 6-150
6.12.22 BACKGROUND STAIN ............................................................................. 6-151
6.12.23 NO PRINTING ON PAPER EDGE............................................................ 6-151
6.12.24 IMAGE NOT CENTERED WHEN IT SHOULD BE .................................. 6-151
6.13 TROUBLESHOOTING FOR OTHER PROBLEMS ............................................ 6-152
6.13.1 WHEN YOU CANNOT OPEN THE RIGHT DOOR ......................................... 6-152
6.13.2 WHEN FLUORESCENT OR LED LAMPS FLICKER ..................................... 6-155
6.13.3 WHEN ABNORMAL NOISE OCCURS ........................................................... 6-157
Checking Abnormal Noise from the Fusing Unit ................................................. 6-157