Xerox WorkCentre 5790 Series Service Manual page 157

Figure 4 Circuit diagram
Xerox® WorkCentre® 5790 Family
05-350, 05-352 DADH CVT Sensor Failure RAP
05-350 The DADH CVT sensor does not detect the lead edge of the document within the cor-
rect time in the forward mode.
05-352 The DADH CVT sensor does not detect the lead edge of the document within the cor-
rect time in the reverse mode.
Initial Actions
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP
death or injury. Moving parts can cause injury.
• Remove all documents from the DADH.
• Figure 1. Make sure that the CVT sensor actuator is not damaged. If necessary, install a
new CVT sensor, PL 5.20 Item
Procedure
NOTE: To get access to the DADH CVT sensor, remove the DADH top cover,
Enter dC330 code 05-350 to check the DADH CVT sensor, Q05-350,
350. The display changes.
Y N
Go to Flag 1. Check Q05-350.
References:
• GP 11 How to Check a Sensor.
• P/J186 and P/J191, DADH
• 01D +3.3V Distribution RAP.
• 01B 0V Distribution RAP, refer to the 3.3V return.
Install new components as necessary:
• DADH CVT sensor, PL 5.20 Item
• DADH PWB, PL 5.10 Item
Remove the DADH rear cover,
Enter dC330 code 05-030 to check the DADH CVT motor, MOT05-030. MOT05-030 runs.
Y N
Go to the 05D DADH Motor Failure RAP.
The CVT roll rotates.
Y N
Perform the steps that follow:
• Check the CVT motor drive belt,
• Check the CVT motor tension spring. Make sure that the CVT motor drive belt ten-
sion is correct, ADJ 5.1.
• Check the CVT roll pulley, refer to
If necessary, install a new DADH CVT roll,
The fault only occurs in duplex mode (fault code 05-352).
May 2013
2-125
WARNING
14. Disconnect the power cord. Electricity can cause
12.
Figure
PWB.
12.
5.
PL 5.10 Item 1. Hold the top cover interlock switch closed.
PL 5.25 Item 11.
GP 7.
PL 5.25 Item 5.
Status Indicator RAPs
05-345, 05-346, 05-350, 05-352
PL 5.20 Item 15.
1. Activate Q05-