gamma sensor which can help with this issue. It is recommended for use only in those cases where a customer requires greater density than can otherwise

be achieved through standard adjustment procedures. It should be installed only under the following conditions:

The color settings are within the published specifications.

The customer perceives insufficient density, especially in large solid fill areas.

Please refer to attached Bulletin Number 6513 for part number and details. To viewthe PDF, Adobe Reader® must be installed. Adobe Reader® can be

downloaded for free from the Adobe® web site at: http://www.adobe.com/products/acrobat/readstep2.html .

Solution ID

TAUS0808003EN*

Description

Light, faded or washed out area of a single color on copies/prints.

Solution

PROBABLE CAUSES:

1.Poor first or second transfer.Adjust transfer current for optimum value in the current environment or paper type. To adjust transfer current perform the

following:

a.Press the Utility/Counter key.

b.Select Machine Admin Setting.

c.Select System Setting.

d.Select Expert Adjustment.

e.Select Process Adjustment.

f.Select Front and Back Density. Adjust first and second transfer suitable to the paper. The setting range is -3 to +3. The default value is 0.

g.Exit Machine Admin mode.

2. The HV connection to the second transfer roller is not making proper contact.

Check and clean the connector.If necessary replace the connector (p/n 65AA R747 00).

Note :Please see attached copy quality sample. To view the PDF, Adobe Reader® must be installed. Adobe Reader® can be downloaded for free from the

Adobe® web site at: http://www.adobe.com/products/acrobat/readstep2.html .

SPECIAL NOTE : Solution contribution by Ed Bellone and Gary Scimeca, Production Print/SSD

TAUS0902768EN*

Solution ID

Description

Ghost image is seen on the same page as the primary image. Itis most noticeable when transitioning from a high density object to a low density object.

Solution

CAUSE:A residual charge is left on the developer sleeve and is transferred onto the paper. An example can be seen in the attached document.

SOLUTION:This cannot be completely eliminated, but can be reduced by applying one or more of the following countermeasures:

Service mode => [02 Process adjustment] => [04 Process fine adjustment]=> [01 Covered margin fine adj]: Decrease the set value.After setting,

perform Auto Gamma adjustment.

Service mode => [02 Process adjustment] => [04 Process fine adjustment]=> [02 Develop AC Bias Fine Adj.]: Increase the set value. After setting,

perform Auto Gamma adjustment.

Service mode => [02 Process adjustment] => [04 Process fine adjustment]=> [03 Develop AC frequency]: Decrease the set value.After setting,

perform Auto Gamma adjustment.

Service mode => [02 Process adjustment] => [04 Process fine adjustment]=> [04 Toner density fine adjustment]: Increase the set value.

Note : To view a PDF, you may need to download a free copy of Adobe Reader®.

SPECIAL NOTE : Solution contribution by Clinton Marquardt, ESS and Ed Bellone, Production Print/SSD