Samsung CLP-770ND - Troubleshooting Displayed Error Messages

Alignment & Troubleshooting
Service Manual
4-20
Samsung Electronics
4.2.2 Display Meassage Troubleshooting
Messages appear on the Smart Panel program window or on the control panel display to indicate machine
status or errors. Refer to the tables below to understand the meanings of the messages, diagnose, and solve
the problems
* [O] indicates the toner cartridge color (C/M/Y/K)
* [OO] indicates the toner cartridge color (Cyan/Mazenta/Yellow/Black)
* When S: meassage is displayed and press OK buttion, T: message will be displayed.
Message Description Suggested Solution
Door is open or
Check Transfer belt
The front cover or the top cover is not
securely latched or the transfer belt is not
installed.
1. Close the Cover-Front or Cover-Exit
2. If the PTB is not installed, install it.
3. Check the 24V1_S.
4. If the voltage is not occurred, check the 24V switch,
CN3, CN3 harness on HVPS.
5. Check the PTB drawer connector and related harness
connection.
Paper Jam in MP tray Paper misfed from multi-purpose tray. 1. Remove the jammed paper in MP tray.
2. Check the MP empty sensor of the Cassette. If it is
defective, replace it.
3. Check the Regi. sensor and feed sensor by using EDC
mode after feed a paper from Cassette. If it is defective,
replace it.
* Actuator-Feed (JC66-02052A)
* Actuator-Regi (JC66-02053A)
* Photo-Interrupter (0604-001095)
4. Reconnect connector of CN4,5,9 on HVPS.
5. Reconnect connector of CN1,2 on HVPS and check the
at cable.
Paper Jam in tray1 Paper has jammed in the feeding area of
the tray.
1. Take out the cassette and remove the jammed paper.
2. Check the separator pad of the cassette. If it become
loose or life has expired, replace it.
* MEA Holder Pad (JC97-03467A)
3. If the pick up roller does not rotate, check the Gear Pick
up(JC97-02895A). If it is defective, replace it.
4. If the pick up roller rotates but the paper is not feeding,
replace the Clutch-Feed(JC47-00023A).
5. Reconnect connector of CN4,5,9 on HVPS.
6. Reconnect connector of CN1,2 on HVPS and check the
at cable.