Samsung CLP-770ND Service Manual page 76

Message
S: LSU motor does not operate or the drive
LSU error signal is abnormal.
T:
Error: #04-002
Turn off then on
S: The toner cartridge is almost empty
[O] toner is Low
T:
[O] toner is low.
Order new one
S: The lifespan of the toner cartridge which
[O] toner is empty the arrow indicates is reached
T:
[OO] toner is empty.
Replace with new one
S: The toner cartridge is not installed or
[O] toner Not Installed the CRUM (Consumer Replaceable Unit
T: Monitor) in the
[OO] toner cartridge is cartridge is not properly connected
not installed. Install it
S: The toner cartridge you have installed is
[O] Not Compatible not for your machine.
T:
[OO] toner cartridge is
not compatible. Check
guide
S: The color toner cartridge has run out.
[O] toner is worn The machine stops printing.
T:
[OO] toner is worn.
Replace with new one
S: The toner cartridge is wrong installed
[O] toner cart. error
T:
Error: #06-006
Open/close door
S: The toner cartridge has reached the end
Replace [O] toner of its lifespan.
T:
Replace with New
[OO] Toner
Service Manual
Alignment & Troubleshooting
Description
4-23
Suggested Solution
1. Check No.4,9 pin of the CN21 on Main-PBA by the
osiloscope. If the motor rotation starts and the signal
change low for regular time, the LSU unit is normal.
2. Check the 24V power. If the voltage is not occurred,
replace the SMPS.
3. Check the Motor connector, Main-PBA connector.
Prepare the new toner cartridge.
Replace the new toner cartridge.
1. Take out the toner cartridge and re-install it.
2. If the problem persists, check the CN24 connector on
Main-PBA.
3. Check the connector, harness of the DEVE CRUM IF
PBA.
1. Check the samsung-genuine toner cartridge is installed
or not.
2. Check the CN24 connector on Main-PBA.
3. Check the connector, harness of the DEVE CRUM IF
PBA.
You can select the option among Stop, Continue or Black
Only.If you select Stop, the machine stops printing. If
you select Continue, the machine keeps printing, but the
quality cannot be guaranteed. If you select Black Only,
the machine prints the data in black. If you do not select
any, the machine will work as Stop is selected.Replace the
toner cartridge with a Samsung-genuine toner cartridge.
Take out the toner cartridge and re-install it.
Replace the new toner cartridge.
Samsung Electronics