Xerox Phaser 3635MFP Service Manual page 59

OF3 Air Systems RAP
Use this RAP to diagnose faulty machine fans. Faulty fans can cause image quality defects,
odors or overheating.
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
Check the following fans:
• SMPS Fan
• Main Fan
• Fuser Fan
SMPS Fan
Refer to Wiring Diagram 9 (3635). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 Component Control code 09-500. Check that the SMPS fan,
runs at normal speed.
3. Check the wiring between the SMPS fan and CN8 on the
4. Install new components as necessary:
• SMPS fan, PL 1.12 Item 1.
• Connection PWB, PL 3.10 Item
Main Fan
Refer to Wiring Diagram 9 (3635). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 Component Control code 04-120. Check that the main fan,
runs at normal speed.
3. Check the wiring between the main fan and CN1 on the
4. Install new components as necessary:
• Main fan, PL 1.12 Item 9.
• Connection PWB, PL 3.10 Item
Fuser Fan
Refer to Wiring Diagram 9 (3635). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 Component Control code 10-500. Check that the fuser fan,
runs at normal speed.
3. Check the wiring between the fuser fan and CN2 on the
4. Install new components as necessary:
Status Indicator RAPs
OF3
PL 1.12 Item 1
Connection PWB.
17.
PL 1.12 Item 9
Connection PWB.
17.
PL 10.20 Item 2
Connection PWB.
• Fuser fan, PL 10.20 Item
• Connection PWB, PL 3.10 Item
3550 Checkout
Check the following fans:
• SMPS Fan
• Main Fan
• Fuser Fan
SMPS Fan
Refer to Wiring Diagram 17 (3550). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 Component Control
runs at normal speed.
3. Check the wiring between the SMPS fan and CN3 on the
4. Install new components as necessary:
• SMPS fan, PL 1.12 Item
• Connection PWB, PL 3.10 Item
Main Fan
Refer to Wiring Diagram 17 (3550). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Check that the main fan, PL 1.12 Item 9
3. Check the wiring between the main fan and CN4 on the
4. Install new components as necessary:
• Main fan, PL 1.12 Item
• Connection PWB, PL 3.10 Item
Fuser Fan
Refer to Wiring Diagram 17 (3550). Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 Component Control
runs at normal speed.
3. Check the wiring between the fuser fan and CN5 on the
4. Install new components as necessary:
• Fuser fan, PL 10.20 Item
• Connection PWB, PL 3.10 Item
April 2010
2-50
2.
17.
code 09-500. Check that the SMPS fan,
Connection
1.
17.
runs at normal speed.
Connection PWB.
9.
17.
code 10-500. Check that the fuser fan,
Connection PWB.
2.
17.
Phaser 3635MFP/WorkCentre 3550
PL 1.12 Item 1
PWB.
PL 10.20 Item 2