Iq18 Dadf Lead Edge Offset Rap; Iq19 Poor Registration Rap; Image Quality Specifications - Xerox WorkCentre 4150 Service Manual

IQ18 DADF Lead Edge Offset RAP

Use this RAP when copies from the DADF have lead edge offset.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Refer to Wiring Diagram 11. Perform the following:
1. Open the DADF top cover assembly, PL 5.15 Item 11.
2. Check the document path for damage or obstructions.
3. Check that the following components are clean and rotate freely.
• Registration roll, PL 5.15 Item 21.
• Registration roll idlers, PL 5.15 Item 28.
4. Check that the registration sensor actuator, PL 5.15 Item 12 moves freely and is not dam-
aged.
5. Enter dC330 code 05-130. Check the registration sensor (Q05-130), PL 5.15 Item 14. If
necessary, install a new registration sensor, PL 5.15 Item 14.
6. Enter dC131 code 05-100. Adjust the offset as necessary.
7. If the fault is still present, install a new document transport assembly, PL 5.15 Item 1.
Image Quality
IQ18, IQ19

IQ19 Poor Registration RAP

Use this RAP when the copies are poorly registered.
Procedure
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Perform the following:
1. Check that the paper guides in all trays are correctly positioned. Check that the DADF
document guides are correctly positioned.
2. Make a duplex copy from each paper tray.
3. Check the copies. If all the copies have poor side registration, perform the following:
a. Remove the DADF, refer to REP 5.1. Check the DADF counterbalances for damage.
Install new components as necessary, PL 5.10.
b. Adjust the DADF side edge registration. Go to ADJ 5.1 DADF Side Edge Registra-
tion Adjustment.
4. If the copy from a tray is poor, perform the relevant procedure:
• ADJ 8.1 Lead Edge Registration Adjustment.
• ADJ 8.2 Side Edge Registration Adjustment.
September 2006
3-18
WARNING
WorkCentre 4150