Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-63
6.3.13 Paper Size Switch failure
NOTES:
1. Without the diagnostic tool, skip step 2.
2. The control panel message may be: Tray Out or Load <Paper Size>
3. This FIP may also fix a broken cassette tray.
4. Try another cassette tray. Move the size spring to feel for contact on the switch.
1. INITIAL ANALYSIS
1.
Inspect the following components. Are they compatible with your printer
version, correctly installed, not damaged, deformed, or contaminated?
LVPS Assembly MCU PWB
Feeder PWB Feeder PWB AUX
Optional Feeder Assembly Size Spring
MCU PWB LVPS Assembly
Harness Assembly OUT Harness Assembly Tray
Yes No
Go to Step 2. Replace the problem components.
2. SIZE SPRING ANALYSIS
Use Diagnostic Tool test DG02 to check the Size Spring function.
Remove both paper cassettes.
Reaching through the rear of the Paper Feeder, and press each Size Spring.
Does each spring function correctly and increment the DG02 number
each time you press it?
Yes No
Go to Step 3. Replace the Size Spring.
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 +5VDC between P/J 13-2 and P/J 13-4 on the MCU PWB?
Yes No
Go to Step 4. Go to Section 6.3.1 LVPS Assembly Failure (+5VDC).