3-62 Phaser 6300/6350 Color Laser Printer Service Manual
Wrong Paper Size; Load Tray 2 with [size][type]
Tray 2 Paper Size mismatch error.
Applicable Status Code:
Code 177: Wrong Paper Size; Load Tray 2 with [size] [type]
Initial Actions:
■ Inspect the tray to ensure that it is free of obstructions, is loaded with 
supported media, and the guides are adjusted correctly.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Paper Size Switch, PL3.2.5
■ Paper Tray, PL2.1.1
■ Paper Size Switch Signals table (page 2-7)
■ Print Engine Map 4 - P/J Locator (page 10-8)
■ Print Engine Tray 2 Wiring (page 10-18)
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1
Check the following for evidence of fault or 
damage:
■ Tray 2 Paper Size Switch, PL3.2.5
■ Tray 2 Size Actuators, PL2.1.10
■ Tray 2 Paper Tray, PL2.1.1
Is there any damage?
Replace any 
damaged parts.
Go to Step 2.
2
Test the Tray 2 Paper Size Switches.
Run the Service Diagnostics Paper Size 
Switch test. Use the table on (
page 2-7).
Do the switches function correctly?
Replace the 
Engine Control 
Board 
(
page 8-104).
Go to Step 3.
3
Check the Paper Size Switch signals.
Disconnect P/J47.
Verify +3.3 V on pins
P/J47-1 <=> P47-3
P/J47-2 <=> P47-3
P/J47-4 <=> P47-3
Is there +3.3 V when actuated?
Go to Step 4 Replace the Paper 
Size Switch 
(
page 8-25).
4
Check all pins on the FDR Harness for 
continuity.
1. Disconnect P/J47 and P/J471.
2. Check continuity between J47<=>J471.
Replace the 
Engine Control 
Board 
(
page 8-104).
Replace the FDR 
Harness.