TECHNICAL SERVICE BULLETIN
BULLETIN NUMBER: AFICIO COLOR 5106/5206 - 016 12/22/97
APPLICABLE MODEL: AFICIO COLOR 5106/5206
SUBJECT: JAGGED IMAGE IN PRINTER MODE
SYMPTOM:
Printed Characters have Jagged Outline in Printer Mode.The problem does not occur when printing in Letter
Mode.
CAUSE:
High image density. In photo mode, 2x1 dot dither processing is applied to all images including text If the
copier’s image density output is high (dark), it will be adjusted by the 2x1 dot dithering process, resulting in
jagged image. The problem is noticeable especially when calibrating targets with low IDmax .
SOLUTION:
Lower the copier’s image density using the following procedure.
1. Open SP Mode 8-4 Printer g Correction Data , Fine Adjustment =Contone= .
Check IDmax of the color showing jagged image..
2. Open SP Mode 1-4 Toner Max M/A Target.
Input 0.800 if the IDmax checked above is 4.
Input 0.700 if the IDmax checked above is 3 or below.
3. Wait 5 minutes. Open SP Mode 2-4 and perform Process Control Self Check.
4. Open SP Mode 3-2 and confirm that the pointer table is not 00.
Note:If pointer table is 00, it means that the machine has selected the default pointer table because
the Toner Max M/A Target is too low. Try using a higher Toner Max M/A Target.
5. Perform printer ACC.
6. Check print quality and if not satisfactory, go back to step 1.
Note : For SP Mode 1-4 Toner Max M/A Target, you may input lower value than those described
above, but please make sure that the selected pointer table is not at 00.
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