Xerox ColorQube 9303 Series Service Manual page 549

OF 1 Unusual Noise RAP
Use this RAP to isolate unusual noises in the machine.
NOTE: Due to the intermittent nature of unusual noises, this RAP can only give guidance on
how to isolate noises. This RAP will not find all possible causes. When machines become old
and worn, unusual noises may arise that are not covered in this RAP.
Procedure
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.
1. Ask the customer if there are any specific machine functions that are noisy.
2. Ask the customer to demonstrate the function of the machine that generates the unusual
noise.
3. Check the Fault and Error logs.
4. Switch off the machine, GP 14. Wait for two minutes, switch on the machine and allow the
machine to perform a normal initialization and warm-up.
5. Run the machine in all modes. Also use the diagnostics to run individual components. Go
to the relevant subsection:
• DADH
• Scanner
• Tray 1 and 2 Assembly
• Tray 3 Assembly
• Bypass Tray 4 Assembly
• Tray 5 Assembly
• Vertical Paper Path
• Horizontal Paper Path
• Exit Paper Path
• Registration / pre-heat Assembly
• Nips / Diverters
• Drum Drive motor / transfix motor / stripper assembly
• Fans
• Stripper Blade
• LCSS
• HVF / HVF BM
DADH
Run the following components:
• Enter dC330 code 05-099 DADH CVT motor to rotate the DADH CVT roll,
• Enter dC330 code 05-074 feed motor, to run the DADH takeaway rolls,
• Enter dC330 code 05-074 and add code 05-062 feed clutch, to energize the feed clutch
and run the drive shaft, PL 5.15 Item
• Enter dC330 code 05-074 and add code 05-098 nudger motor, to energize the nudger
motor, PL 5.15 Item 5.
ColorQube® 9303 Family
WARNING
PL 5.25 Item
PL 5.35 Item
9.
Possible causes and potential solutions are:
• Grinding noise.
Possible causes are:
– The intermediate feed bearing,
from free wheeling as the document is transported by takeaway roll.
– Large flat spots, confined to one or two areas on the retard roll, which causes feed
noise and an increase in 05-330, 05-331and 05-335 jams.
Solution:
– Install a new the feed assembly,
• Noise from the DADH input tray.
Possible causes are:
– Document guides.
Solution:
– Clean the DADH input tray in the area below the input guides with antistatic fluid,
26.10 Item 11.
• Squeaks from the DADH.
Possible causes are:
– DADH exit roll assembly or takeaway roll assembly,
Solution:
– Remove and clean the shafts and plastic bushes with antistatic fluid,
11.
• Knocking noise.
Possible causes are:
– The feed motor and CVT motor are not tensioned correctly, causing the drive belts to
slip.
Solution:
– Adjust the DADH drive belts,
• Gear rattle.
Possible causes are:
– A loose meshing of the clutch and motor gears
Solution:
– Adjust the DADH drive belts,
Scanner
Possible causes and potential solutions are:
• Grinding.
Possible causes are:
– The scan carriage is moving erratically and the scan motor is generating a grinding
sound. The teeth of the scanner drive belt are not engaging with the capstan on the
5.
scan motor. PL 62.16 Item
6.
Solution:
– Perform ADJ 62.3 Scan Motor and Scanner Drive Belt adjustment.
February 2013
2-525
PL 5.15 Item 22 can stick, preventing the feed roll
PL 5.15 Item 18.
PL 5.35 Item 6.
ADJ 5.1.
PL 5.15 Item 9 and
ADJ 5.1.
12.
Status Indicator RAPs
PL
PL 26.10 Item
PL 5.15 Item 16.
OF 1