Sc:101 problem has been occured , plz..... advice me how to troubleshoot

PCU faulty. Could be charge roller is damaged or arking. Sometimes the screw from the cleaning blade falls out and damages the drum and charge roller giving you SC390.

• NoiseRFID: Communication error • Communication error occurs when the RFID starts to communicate with the RFID receptor. • Retry of RFID communication fails three times after the machine has detected the RFID communication error.
The problem is Defective RFID reader and writer • Disconnected ASAP I/F • No memory chip on the toner cartridge • Noise

SC 990 is software performance error. This means The software attempted to perform an unexpected operation.
Possible causes:
1. Software defective
2.Internal parameter incorrect
3.Insufficient working memory
4.When SC occurs, the file name, address and data will be stored in NV RAM this information can be checked by using SP 7403. Note the above data and situation in which this SC occurs. Then report the data and conditions to your technical control center.

Hi
I have Nokia 101 and i forgot my security code
my IMEI no. 351932/05/243156/5
351932/05/243157/3
Plz give me the mastercode so that i can open my phone lock
my mail id; [email protected], plz reply me asap.

SC:302
Charge roller current leak

Symptom: A current leak signal for the charge roller is detected.
Possible Cause:
?? Charge roller damaged
?? High voltage supply board defective
?? Poor connection of the PCU

SC101: Exposure lamp error

sc 302 - charge roller current leak. strip the drum unit (dmu) and clean the unit

SC101 Scan Lamp Error
SC350 ID sensor pattern test error

Your scanner should be checked by a technician to determine what is causing the error. There isn't any calibration or troubleshooting that can be done unless you have scanner parts.

error code sc 309 gestetner 1302