Xerox Phaser 3635MFP Service Manual page 56

OF1 Audible Noise RAP
Use this RAP to isolate and identify the source of unusual noises.
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.
Go to the relevant procedure:
• 3635 Checkout
• 3550 Checkout
3635 Checkout
1. Ask the customer if there are any specific machine functions that are noisy.
2. Identify the source of the noise by exercising the machine in all modes.
3. Use diagnostics to run individual components.
4. Go to the relevant subsection:
• Main Drives and Paper Transport
• LSU
• DADF
• Tray 2
5. Refer to Possible Causes and Potential
Main Drives and Paper Transport
• Enter dC330 Component Control code 04-100 to run the main BLDC motor. The following
components will be run.
– The print cartridge, PL 9.10 Item
– The registration roll PL 8.25 Item
– The registration roll idler PL 8.25 Item
• While the main BLDC motor runs, stack the code 08-810 to energize the tray 1 pickup
solenoid and run the tray 1 pickup roll,
• While the main BLDC motor runs, stack the code 08-850 to energize the registration sole-
noid and run the registration roll, PL 8.25 Item 3
17.
• While the main BLDC motor runs, stack the code 08-800 to energize the bypass feed
solenoid and run the bypass pickup roll,
• Enter dC330 Component Control code 04-300 to run the duplex motor. The duplex rolls,
PL 10.23 Item 13 and PL 10.23 Item
• Enter dC330 Component Control code 04-200 to run the exit motor. The following fuser
components will be run:
– The heat roll in the fuser, PL 10.15 Item
– The pressure rolls in the fuser,
– Exit roll, PL 10.25 Item 22.
• Enter dC330 Component Control code 04-120 to run the main fan,
• Enter dC330 Component Control code 10-500 to run the fuser fan,
• Enter dC330 Component Control code 09-500 to run the SMPS fan,
LSU
• Enter dC330 Component Control code 06-100 to run the LSU motor.
Phaser 3635MFP/WorkCentre 3550
Solutions.
1.
3.
17.
PL 10.22 Item 14 and feed roll, PL 10.22 Item
and registration roll idler, PL 8.25 Item
PL 7.10 Item 28.
14, will rotate.
1.
PL 10.15 Item 2 and PL 10.15 Item 3.
PL 1.12 Item
PL 10.20 Item
PL 1.12 Item
DADF
• Enter dC330 Component Control
The following components will be run:
– Scan roll, PL 5.35 Item
– Exit roll, PL 5.35 Item
• While the scan motor runs, stack the code 05-300 to energize the pickup solenoid and run
the DADF pickup roll assembly
• While the DADF scan motor runs, stack the code 05-310 to energize the registration sole-
noid and run the registration roll,
Tray 2
• Enter dC330 Component Control
23. The tray 2 feed roll,
• While the tray 2 feed motor runs, stack the code 08-820 to energise the tray 2 pickup
solenoid and run the tray 2 pickup roll assembly
Possible Causes and Potential Solutions
Go to the relevant procedure:
• Squeaks
• Unusual Noise from the Scanner Assembly
• Grinding Noise from the Fuser Assembly
Squeaks
Possible causes are:
• Contamination of the bushings and drive shafts.
Solution:
– Clean the components.
– Plastic bushings should be cleaned and lubricated with compatible grease.
– Install new components as necessary.
• Bearings in cooling fans
9.
Solution:
– Install new components as necessary.
• Mis-adjusted or worn drive belts.
Solution:
– Install new components as necessary.
• Mis-aligned or damaged parts.
Solution:
– Check for parts that are damaged or out of position.
– Adjust the components if appropriate.
– Install new components as necessary.
• Noise from the DADH input tray document guides.
Solution:
9.
– Clean the DADH input tray in the area beneath the input guides.
2.
Unusual Noise from the Scanner Assembly
1.
Possible causes are:
• Mis-aligned or damaged parts.
• Defective motor driver.
April 2010
2-47
code 05-200 to run the DADF scan motor,
12.
8.
PL 5.25 Item 2.
PL 5.35 Item 9.
code 07-210 to run the tray 2 feed motor,
PL 8.17 Item 12, will rotate.
PL 8.17 Item 31.
PL 5.40 Item 2.
PL 8.15 Item
Status Indicator RAPs
OF1