Solid green The printer is on, but idle.
Blinking red The printer requires user intervention.
Sleep button light Printer status
Off The printer is idle or in Ready state.
Solid amber The printer is in Sleep mode.
Blinking amber The printer is waking from entering hibernation mode.
Blinking amber for 0.1 second, then goes completely off for 1.9
seconds in pulsing pattern.
The printer is in hibernation mode.
Diagnostics menu
• “Entering diagnostics mode” on page 166
• “REGISTRATION” on page 167
• “Skew” on page 168
• “Quick Test” on page 168
• “Alignment Menu” on page 169
• “MISC TESTS” on page 170
• “PRINT TESTS” on page 171
• “Feed Tests” on page 171
• “Print quality test pages” on page 172
• “HARDWARE TESTS” on page 172
• “DUPLEX TESTS” on page 173
• “INPUT TRAY TESTS” on page 176
• “BASE SENSOR TEST” on page 176
• “DEVICE TESTS” on page 177
• “PRINTER SETUP” on page 178
• “EP SETUP” on page 181
• “TPS Setup: Right or Left” on page 181
• “TPS Setup: Reset Color Cal” on page 182
• “TPS Setup: Cal Ref Adj” on page 182
• “REPORTS” on page 182
• “EVENT LOG” on page 183
• “Exit Diagnostics” on page 184
Entering diagnostics mode
For CS310 models:
1 Turn off the printer.
2 Press and hold Left and OK.
5027
Service menus
166