May 2013
3-13
Xerox® WorkCentre® 5790 Family
IQ2
Image Quality
–
Check the document feed, refer to
IQ7
DADH, Document Glass and Scanner RAP.
Perform the DADH checkout.
•
Toner contamination on the back of prints and excessive toner contamination
inside of the machine. Perform the following:
–
If it is possible to access
dC131
location 09-351 and set it to 4, the correct level of
software is already loaded, go to step 1, if not load software:
NOTE: SPAR releases are case sensitive, enter the code exactly as it appears.
W/O
TAG 155
IOT PWB, load general release SMP 1,061.131.221.10401 or
higher, available at http://www.support.xerox.com/support/enus.html
W/
TAG 155
IOT PWB, load SPAR version 061.132.221.29100 or higher, avail-
able at https://www.xrxgsn.com/admin/user/spar release.ihtml. The SPAR
release code is WC57xxSpar.
1.
Set NVM values:
a.
Set
dC131
location 09-351 Disp. Const. B to a value of 4.
b.
Set
dC131
locations 09-004, 09-005 and 09-006 to a value of 501.
c.
Access
dC131
location 09-069 and lower the value by 100.
Switch the machine off, then switch the machine on,
GP 14
. Print 200 of inter-
nal test pattern 15 to decrease the toner concentration, refer to
IQ1
.
2.
Clean the contaminated areas:
Base pan
Transfer/detack corotron,
Figure 1
Green handles
Short paper path assembly, (35 ppm)
PL 9.22 Item 3
or (40-90 ppm)
PL
9.20 Item 3
Front door
Registration nip assembly,
PL 8.15 Item 5
Tray 1 and tray 2
Lower bias guide,
PL 8.15 Item 22
3.
Perform
ADJ 9.3
Developer Magnetic Seal Brush Adjustment.
4.
Copy test pattern 82E2020 and print internal test patterns 11 and 15. Go to
IQ11
Light Copies RAP and asses the image quality.
5.
If required, Perform
IQ10
Image Quality Improvement RAP to optimize the
image quality.
–
If the problem persists go to the
IQ3
Xerographic RAP.
•
Uneven Density. Perform the following:
–
If the uneven density occurs at 20 mm (0.75 inches) intervals in a band along the
lead edge of the paper, perform the following:
Enter Diagnostics,
GP 1
. Enter
dC131
. Refer to chain 9 NVM xerographic set-
ting values 09-015 and 09-018. Ensure the values are set to default.
Refer to
IQS 1
Solid Area Density, to check for the correct density.
Install a new transfer/detack corotron, (35 ppm)
PL 9.22 Item 8
or (40-90 ppm)
PL 9.20 Item 2
.
CAUTION
If the NVM values are increased, paper stripping faults can occur. The faults can
include damage to the lead edge of the paper, paper jams, stripper finger contamina-
tion and marks on copies.
If the uneven density is still present, enter Diagnostics,
GP 1
. Enter
dC131
.
Refer to chain 9 NVM xerographic setting values 09-015 and 09-018. Increase
both values in increments of 5 to a maximum of 150.
–
Check that the developer assembly has been correctly installed,
REP 9.2
.
–
ADJ 6.1
ROS Window Cleaning Procedure.
–
ADJ 6.2
ROS Cleaning Procedure.
–
If problem persists go to
IQ3
Xerographic RAP.
•
Unfused prints. Refer to the
IQS 3
Fusing and
IQ4
Fuser Module RAP.
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 ...