Xerox ColorQube 9303 Series, Service Manual, Page: 725 / 1812

February 2013
3-79 ColorQube® 9303 Family
IQ 26, IQ 27
Image Quality
Y N
Install a new cleaning unit,
PL 94.10 Item 21 .
Check the cleaning unit metering blade for pieces of paper.
NOTE: Ink pixel build up on the metering blade is normal and should not be cleaned off.
The metering blade is good.
Y
N
Clean the metering blade of pieces of paper.
Enter dC959 Cleaning Unit Exerciser and run the slow speed exerciser. The slow speed
exerciser completes successfully.
Y
N
Go to
94-522-00 Cleaning Unit Motor Stall RAP.
Open the front door and remove the inner cover. Enter dC959 , Cleaning Unit Exerciser,
and run the slow speed exerciser. While this is running check if the cleaning unit metering
blade and roller are making contact with the drum. The metering blade and roller are
making contact with the drum.
Y
N
Check the cleaning unit cams mechanism
PL 94.10 Item 9 , PL 94.10 Item 13 and
the cleaning unit drive gear and motor PL 94.10 Item 23 , PL 94.10 Item 24 . Install
new parts as necessary.
Enter dC978 Transfix Calibration Values. Check the transfix calibration values against
those on the drum frame. The calibration values match.
Y
N
Correct the transfix calibration values in NVM,
dC131 .
Enter dC962 to test the transfix assembly. The transfix assembly operates normally.
Y N
Install new components as necessary:
• Transfix roller, PL 10.20 Item 1 .
• Flexure encoder, PL 10.20 Item 5 .
• Transfix motor, PL 10.20 Item 11 .
The machine is operating within specification. Perform SCP 5 Final Actions.
Perform SCP 5 Final Actions.
IQ 27 Unacceptable Received Fax Image Quality RAP
Use this RAP to identify the causes of poor reception.
Ensure IQ 1 Image Quality Entry RAP is performed before starting this RAP.
Initial Actions
WARNING
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
GP 14 . Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
Verify the following:
• This problem occurs only when receiving transmissions.
• This problem occurs on all receiving transmissions.
• Check that the Fax country setting, NVM location 200-043, is correct. Refer to Fax Docu-
ment .
Procedure
The condition of the original transmission document is good.
Y
N
Generate a new document from the original.
If possible, establish voice contact using the same telecommunication link as used to receive
the document. The line is free of interference sounds and the normal voice can be heard
clearly.
Y
N
Go
20G Fax Module Checkout.
Receive the document at a slower receive speed. Set the NVM location 200-089 Line 1 = 11
and location 200-090 Line 2 = 11.
Refer to Fax Document . The image quality is acceptable.
Y N
The telecommunication links and harnesses are connected properly and there is
no visible damage.
Y
N
Correct the connections. If necessary install a new line cable and connectors.
Verify the operation of the machine and the communication link by transmitting between
machines over a known good link. All received documents have an acceptable image
quality.
Y
N
Install a new Fax module,
PL 20.05 Item 1 .
Go 20G Fax Module Checkout.
Inform the remote user of the required changes to the settings.
A