May 2013
4-468
Xerox® WorkCentre® 5790 Family
ADJ 9.5
Repairs/Adjustments
6.
Enter
dC131
NVM Read / Write at location 06-001 Light Level and reduce the value by
200. Reduce the value in increments of 200 until good shadow is achieved.
•
35 ppm machines. Do not reduce the value below 3000.
•
40-55 ppm machines. Do not reduce the value below 1500.
•
65-90 ppm machines. Do not reduce the value below 1500.
7.
Enter
dC606
Print Test Patterns and print internal test pattern 15
8.
Exit diagnostics,
GP 1
.
9.
If the copy has poor highlights, then go to the
Poor Highlights Adjustment
.
If the highlights are good, then go to the
Final Image Quality Check
.
Poor Highlights Adjustment
1.
Enter
dC131
NVM location 09-003 Charge Grid and reduce the value by 25.
•
35 ppm machines. Ensure that the value is between 370 and 470.
•
40-55 ppm machines. Ensure that the value is between 380 and 480.
•
65-90 ppm machines. Ensure that the value is between 370 and 470.
2.
Enter
dC606
Print Test Patterns and print internal test pattern 15.
3.
Exit diagnostics,
GP 1
.
4.
Place the new printed test pattern 15 on the platen glass and make one copy.
5.
If the copy has poor highlights, then go to the next step.
If the highlights are good, then go to the
Final Image Quality Check
.
6.
Enter
dC131
NVM. Location 09-003 Charge Grid and reduce the value by 25. Reduce the
value in increments of 25 until good highlights is achieved.
Do not reduce the value below 350.
7.
Enter
dC606
Print Test Patterns and print internal test pattern 15.
8.
Exit diagnostics,
GP 1
.
9.
Place the new printed test pattern 15 on the platen glass and make one copy. The copy
quality is optimized.
Final Image Quality Check
1.
Enter
dC606
Print Test Patterns and print internal test pattern 15.
2.
Exit diagnostics,
GP 1
.
3.
Place the new printed test pattern 15 on the platen glass and make one copy. The image
quality is optimized.
4.
Make a copy of the customer document and compare it with the initial copy. Check that
the image quality has improved.
5.
Run a variety of jobs to confirm that the changes made have not introduced other copy
quality problems.
6.
Record any NVM changes in the machine log book.
7.
Perform NVM Save and Restore,
GP 5
.
Figure 1 Test pattern 15
Summary of Contents for WorkCentre 5790 Series
Page 1: ...Xerox WorkCentre 5790 Family Service Manual 708P90298 May 2013 ...
Page 4: ...May 2013 ii Xerox WorkCentre 5790 Family Introduction ...
Page 20: ...May 2013 xviii Xerox WorkCentre 5790 Family Translation of Warnings Introduction ...
Page 22: ...May 2013 1 2 Xerox WorkCentre 5790 Family Service Call Procedures ...
Page 32: ...May 2013 1 12 Xerox WorkCentre 5790 Family SCP 7 Service Call Procedures ...
Page 53: ...May 2013 2 21 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 1 3 3V Return ...
Page 54: ...May 2013 2 22 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 2 3 3V Return ...
Page 56: ...May 2013 2 24 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 3 5V Return ...
Page 57: ...May 2013 2 25 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 4 5V Return ...
Page 59: ...May 2013 2 27 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 5 12V Return ...
Page 61: ...May 2013 2 29 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 6 24V Return ...
Page 62: ...May 2013 2 30 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 7 24V Return ...
Page 63: ...May 2013 2 31 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 8 24V Return ...
Page 95: ...May 2013 2 63 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs Figure 2 Circuit diagram ...
Page 96: ...May 2013 2 64 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs ...
Page 178: ...May 2013 2 146 Xerox WorkCentre 5790 Family 06 350 Status Indicator RAPs ...
Page 592: ...May 2013 2 560 Xerox WorkCentre 5790 Family 16B 16C Status Indicator RAPs ...
Page 596: ...May 2013 2 564 Xerox WorkCentre 5790 Family 19 409 Status Indicator RAPs ...
Page 698: ...May 2013 3 2 Xerox WorkCentre 5790 Family Image Quality ...
Page 736: ...May 2013 3 40 Xerox WorkCentre 5790 Family IQS 8 Image Quality ...
Page 742: ...May 2013 4 6 Xerox WorkCentre 5790 Family Repairs Adjustments ...
Page 772: ...May 2013 4 34 Xerox WorkCentre 5790 Family REP 3 4 Repairs Adjustments ...
Page 938: ...May 2013 4 200 Xerox WorkCentre 5790 Family REP 9 10 Repairs Adjustments ...
Page 994: ...May 2013 4 256 Xerox WorkCentre 5790 Family REP 11 17 110 Repairs Adjustments ...
Page 1014: ...May 2013 4 276 Xerox WorkCentre 5790 Family REP 11 15 120 Repairs Adjustments ...
Page 1166: ...May 2013 4 428 Xerox WorkCentre 5790 Family REP 14 20 Repairs Adjustments ...
Page 1168: ...May 2013 4 430 Xerox WorkCentre 5790 Family ADJ 3 1 ADJ 3 2 Repairs Adjustments ...
Page 1174: ...May 2013 4 436 Xerox WorkCentre 5790 Family ADJ 4 1 Repairs Adjustments ...
Page 1242: ...May 2013 4 504 Xerox WorkCentre 5790 Family ADJ 14 1 ADJ 14 2 Repairs Adjustments ...
Page 1386: ...May 2013 6 2 Xerox WorkCentre 5790 Family General Procedures Information ...
Page 1524: ...May 2013 6 140 Xerox WorkCentre 5790 Family Fax Tags General Procedures Information ...
Page 1526: ...May 2013 7 2 Xerox WorkCentre 5790 Family Wiring Data ...
Page 1554: ...May 2013 7 30 Xerox WorkCentre 5790 Family PJ Locations Wiring Data ...
Page 1604: ...May 2013 8 2 Xerox WorkCentre 5790 Family Accessories ...
Page 1606: ...May 2013 8 4 Xerox WorkCentre 5790 Family ACC 1 Accessories ...
Page 1610: ...XEROX EUROPE ...