Ricoh 780w Lamp exposure , original, 

+CODES WARNING + ERROR CODES +RESET

AX50-0053, AX500053.  B047/B048

 Ricoh FW 780w E1 error Lamp

Λαμπα φωτισμου,  Γνησιο ανταλλακτικο.

Toshiba 28, FL26A45G / 107T26W, 9-12 Ohm resistance, 110cm

140V/26W

 18 AX50 0053 Fluorescent Lamp - 140V/26W (B047/B048)

NOT in Stock! 

 2018-02-03

2016-03-08

 AX500093 ===B257/258

 AX500093  FLUORESCENT TUBE

2016-03-08 

 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. C+-c ć...

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)

2016-03-08 

 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 11 May, 2001
6-2
SC Code E-4: Hot Roller Thermistor Short
Definition
The resistance of the hot roller thermistor is less than 0.11 KΩ.
Points to Check
• Hot roller thermistor
• Main board (CN102-A5, -B11, -B13, -B14)
SC Code E-5: Pressure Roller Thermistor Open
Definition
The resistance of the pressure roller thermistor is more than 0.53 MΩ.
Points to Check
• Pressure roller thermistor
• Main board (CN102-A4, -B12, -B13, -B14)
SC Code E-6: Pressure Roller Thermistor Short
Definition
The resistance of the pressure roller thermistor is less than 0.55 KΩ.
Points to check
• Pressure roller thermistor
• Main board (CN102-A4, -B12, -B13, -B14)
SC Code E-7: Fusing Overheat
Definition
The temperature detected by the hot roller thermistor exceeds 250°C.
Points to Check
• Hot roller thermistor
• Fusing thermofuse
• AC drive board
• Main board (CN102-A1, -B13, -B14)
11 May, 2001 SERVICE CALL CONDITIONS
6-3
Troubleshooting
SC Code E-8: Fusing Warm-up Error
Definition
After turning on the machine, the temperature detected by the hot roller
thermistor does not reach the target ready temperature within 12 minutes.
Points to Check
• Hot roller thermistor
• Fusing lamp
• Fusing thermofuse
• AC drive board
• Main board (CN102-A3, -A5, -B11, -B13, -B14)
• AC harness
SC Code E-9: Toner Density Sensor Abnormal
Definition
The toner density sensor voltage is less than 0.5 volts or more than 4.5 volts.
NOTE: After initializing the developer, this condition cannot be triggered until at
least 251 copies are made.
Points to Check
• Toner density sensor
• Flow of the developer at the toner density sensor area
• Main board (CN105-A5, -A6, -B25, -B26)
SC Code E-10: Main Motor Abnormal
Definition
The main motor is on, but the main board does not receive a signal from the
motor for two seconds.
Points to Check
• Main motor
• Mechanical interference of the main motor drive
• Main board (CN103-1, -2)
SC Code E-11: Toner Density Sensor Adjustment Error
Definition
The new developer initialization process cannot adjust the toner density sensor
voltage to its standard range (4.1± 0.1 volts).
NOTE: After clearing the SP code, the previous data of SP#-30 will continue to
be used until the next toner initialization.
Points to Check
• Toner density sensor
• Developer
• Flow of the developer at the toner density sensor area
• Main board (CN105-A5, -A6, -B25, -B26)
SERVICE CALL CONDITIONS 11 May, 2001
6-4
SC Code E-13: Total Counter Abnormal
Definition
Total counter does not operate.
Points to Check
• Main board
• AC Drive board
SC Code E-14: Zero Cross Signal Detection Abnormal
Definition
The zero cross signal is not detected within 0.5 second of turning on the main
switch.
Point to Check
• Main board
• AC Drive board
SC Code E-15: Main Switch Abnormal
Definition
After sending the reset signal, the main switch does not turn off within 0.45
second.
Point to check
• Main switch
• Main board
SC Code E-17: Unstable Fusing Temperature
Definition
While in the copy ready state, the machine detects 3 or more hot roller
temperature changes within 60 seconds, or 2 or more within 2 seconds. The
change must be greater than 20°C in 1 second.
Point to Check
• The thermistor is out of position
SC Code E-18: Fusing Lamp Continuous Light
Definition
In the copy ready condition, the fusing lamp turns on at full power continuously
for more than 120 seconds while the hot roller is not rotating.
- Point to check -
• Poor thermistor cable connection
• Poor fusing unit connection

Ricoh Gestetner DSM745 Xenon Exposure Lamp AX50-0083 AX500083 3035 3045 4045 G2   ebay 70e 0.03

2020-03-09 

Availability In Stock: 1 Usually ships in: Quantity:

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