Samsung ML-1645

Service Manual
Alignment & Troubleshooting
4-5
Samsung Electronics
Printing demo page In ready mode, press and hold this button until the status LED blinks,
and release.
Canceling print job Press this button during printing. The red LED blinks while the print job
is cleared from both the machine and the computer, and then the
machine returns to ready mode. This may take some time depending
on the size of the print job.
Manual print Press this button during printing. The On Line/Error LED blinks while
the print job is cleared from both the machine and the computer, and
then return to ready mode. This may take some time depending on the
size of the print job. In Manual Feed mode, you can't cancel the print job
by pressing this button.
STATUS DESCRIPTION
Cancel button
Paper Empty On-Line/Error LED Red LED On O
Paper Jam0 On-Line/Error LED Orange LED On O
Paper Jam1 On-Line/Error LED Orange LED On O
Paper Jam2 On-Line/Error LED Orange LED On O
CoverOpen On-Line/Error LED Red LED On O
MotorError On-Line/Error LED Red LED On O
LSU Hsync Error On-Line/Error LED Red LED On O
LSU Motor Error On-Line/Error LED Red LED On O
Thermistor OpenError On-Line/Error LED Red LED On O
Fuser High Error On-Line/Error LED Red LED On O
Fuser Low Error On-Line/Error LED Red LED On O
Toner Low Toner LED Red LED Blinking : 2.5sec On / Off O
Replace Toner Toner LED Red LED Blinking : 1.0sec On / Off O
(Toner Empty)
Replace Toner Toner LED Red LED On O
(Toner Exhausted) H/Stop
Installer Error On-Line/Error LED RED LED On O
H/Stop
Invalid Error On-Line/Error LED Red On O
H/Stop
Genuine Error On-Line/Error LED Red On O
Machine Status LED LED Display
Smart
Panel
LED on error status