Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-72
6.3.17 Drive Assembly failure
NOTES:
1. The diagnostic tool is not used in this FIP
2. The control panel message may be: Paper Jam>Fuser.
3. This FIP may fix something deformed
4. Read this section before proceeding and try some of the simpler items first, like another
Toner cartridge.
1. INITIAL ANALYSIS
Inspect the following components. Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
MCU PWB LVPS Assembly
Drive Assembly Feeder Assembly
Fuser Assembly EP Cartridge
Optional Feeder Assembly Take–Away Roll Assembly
Yes No
Go to Step 2. Replace the problem components.
2. DRIVE ASSEMBLY ANALYSIS
Unplug the AC power cord from the back of the printer.
Hand rotate (counter-clockwise) the Drive Assembly transmission gear located directly above the
motor. (NEVER rotate the transmission gear clockwise.)
Does the gear on the Main Motor shaft rotate counterclockwise?
Yes No
Go to Step 3. Go to Step 6.
3. LVPS ANALYSIS
Disconnect P/J111 from the HVPS. Perform this test within 30 seconds after switching power on.
After 30 seconds, the LVPS shuts down with a no-load condition.
Switch ON Main Power.
Is there +24VDC between P/J 14–1 and P/J 11–2 on the MCU PWB?
Is there +24VDC between P/J 14–2 and P/J 11–2 on the MCU PWB?
Yes No
Go to Step 4. Go to Section 6.3.2 LVPS Assembly Failure (+24VDC).