Ricoh J2SS-C3 Service Manual page 89

11 May, 2001
6. TROUBLESHOOTING
6.2 SERVICE CALL CONDITIONS
When a service call condition occurs, the Call Service indicator ! and SC codes
are displayed.
SC Codes E2, E3, E4, E5, E6, E7, E8, E15, E17 and E18 cannot be cleared by
simply turning the main switch off and on. For safety reasons, you must set SP38
from "1" to "0" to clear these.
6.2.1 SC CODE DESCRIPTIONS
SC Code E-1: Exposure Lamp Abnormal
Definition
The light sensor voltage is less than 0.4 volts for 10 seconds.
Points to Check
• Exposure lamp
• Light sensor
• FL regulator (CN402-1,2,4, and 5, CN401-1, -2, -3)
• Main board (CN103-7, and CN105-A13, -A14, -B17, -B18)
SC Code E-2: Fusing Thermofuse Open
Definition
After turning on the machine, the temperature detected by the hot roller
thermistor does not reach 100°C within 4 minutes and 30 seconds.
Points to Check
• Fusing thermofuse
• Hot roller thermistor
• AC drive board
• Main board (CN102-A3, -B11, -B13, -B14)
SC Code E-3: Hot Roller Thermistor Open
Definition
After turning on the machine, the temperature detected by the hot roller
thermistor does not reach 50°C within 3 minutes.
Points to Check
• Hot roller thermistor
• AC drive board
• Fusing thermofuse
• Main board (CN102-A5, -B11, -B13, -B14)
SERVICE CALL CONDITIONS
6-1