Service Manual

Diagnostic aids 3-3
4062-XXX
Diagnostics mode (models T650, T652, and T654)
Entering Diagnostics mode (models T650, T652, and T654)
1. Turn the printer off.
1. Press and hold and .
2. Turn the printer on.
3. Release the buttons after 10 seconds.
Available tests
The tests display on the operator panel in the order shown:
REGISTRATION See “REGISTRATION” on page 3-5
Top Mar gin
Bottom Margin
Left Margin
Right Margin
Quick Test See “Quick Test” on page 3-6
PRINT TESTS
Tray 1 See “Input source tests” on page 3-7
Tray 2 (if installed)
Tray 3 (if installed)
Tray 4 (if installed)
Tray 5 (if installed)
MP Feeder
Env Feeder (if installed)
Prt Quality Pgs See “Print quality pages (Prt Quality Pgs)” on page 3-7
HARDWARE TESTS
Panel Test See “Panel Test” on page 3-8
Button Test See “Button Test” on page 3-8
DRAM Test See “DRAM Test” on page 3-8
USB HS Test Mode See “USB HS Test Mode” on page 3-9
RFID Option Test See “RFID Option Test” on page 3-10