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May 2013
2-545
Xerox® WorkCentre® 5790 Family
14-703B to 14-706B, 712B, 714B, 718B
Status Indicator RAPs
W/TAG 157 Exposure Lamp Check
Procedure
CAUTION
When measuring voltages of the scanner PWB, take special care not to short any two pins
together.
Remove the document size sensor cover
REP 14.20
. +24V is available at
P/J926
between
pins 5 and 3, also between pins 6 and 1,
Flag 2
.
Y
N
Go to
Flag 3
, disconnect
P/J1
at the LED driver PWB. +24V is available at
P/J926
between pins 5 and 3, also between pins 6 and 1,
Flag 2
.
Y
N
Go to
Flag 2
, disconnect
P/J926
at the scanner PWB +24V is available at
P/J926
between pins 5 and 3, also between pins 6 and 1.
Y
N
Install a new Scanner PWB,
PL 14.15 Item 4
.
Check for a short circuit on the ribbon harness. Repair the harness or install a new
scan carriage ribbon harness,
PL 14.15 Item 10
.
Install a new LED scan carriage assembly,
PL 14.15 Item 26
.
+24V is available at
P/J1
between pins 5 and 3, also between pins 6 and 1,
Flag 3
.
Y
N
Install a new scan carriage ribbon harness,
PL 14.15 Item 10
.
Measure the lamp enable signal at
P/J926
pin 4 on the
scanner PWB
(W/
TAG 150
). enter the
dC330
output code 14-005. The signal voltage changes from +24V to 0V when the code is
active.
Y
N
Install a new scanner PWB W/
TAG 150
,
PL 14.15 Item 4
.
Measure the lamp enable signal at
P/J1
pin 4. enter the
dC330
output code 14-005. The sig-
nal voltage changes from +24V to 0V when the code is active.
Y
N
Install a new scan carriage ribbon harness,
PL 14.15 Item 10
.
Switch off the machine,
GP 14
. Go to
Flag 6
, check the wiring and connectors between
P/J2
and the LED exposure lamp. The wiring and connectors are good.
Y
N
Repair the wiring or install a new LED scan carriage assembly,
PL 14.15 Item 26
.
Install a new LED scan carriage assembly,
PL 14.15 Item 26
.
Figure 1 Component location
Scanner PWB
Exposure lamp inverter
(W/O
TAG 157
)
Exposure lamp
Scan carriage
ribbon cable
Scan carriage
assembly
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 ...