Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures

6-7

6.2.4 Interlock Switch Not Actuated: Fault code E5

(Close Front Cover)

The Interlock Switch is not actuated.

Notes:

Without the diagnostic tool, perform step 2 and then go to Section 6.3.2

LVPS Assembly

Failure 24V

2. The corresponding control panel message may be "Close Cover."

3. This FIP may also be used to fix a blown fuse.

4. Try closing the interlock with a screwdriver.

INITIAL ANALYSIS

Inspect the following components. Are they compatible with your printer version, correctly

installed, not damaged, deformed, or contaminated?

• LVPS Assembly

• MCU PWB

• Link Assembly

Yes No

Go to Step 2. Replace the problem components.

2. LINK ASSEMBLY ANALYSIS

Does the LINK ASSEMBLY actuate the Interlock Switch on the LVPS Assembly when you close

the Front Transport Assembly?

Yes No

Go to Step 3. Replace the Link Assembly.

3. INTERLOCK SWITCH ANALYSIS

Use the Diagnostic tool test DG02 to check the Interlock Switch function.

Does the Interlock Switch function correctly and increment the DG02 number each time you

actuate it?

Yes No

Replace the MCU PWB Go to Section 6.3.2

LVPS Assembly Failure (+24VDC)