Ricoh DD5450 Field Service Manual page 328

Chapter 8 HELP Mode Function and Operation Procedures
3
HELP-021
CHECK
1 :FRONT COVER SENSOR
0 :TOP COVER SWITCH
29 :MAIN THERMISTOR(°C )
28:THERMAL HEAD THERMISTOR(°C )
OK :SHADING MEMORY CHECK
OK: FPGA CHECK
0 :0:TIME LAPSE FROM LAST PRINT
● Operation procedure
1.
Call the HELP mode "H-021".
Enter "021" by the NUMERIC keys and then press the PRINT
key. "Please wait." is displayed and the shading memory and
FPGA are checked.
2.
Checking sensors/switches.
Check the following .
► Status
Status
FRONT COVER SENSOR
TOP COVER SWITCH
MAIN THERMISTOR
THERMAL HEAD THERMISTOR
SHADING MEMORY CHECK
FPGA CHECK
TIME LAPSE FROM LAST PRINT XX: XX (hours: minutes)
3.
Return to the HELP mode.
Press the STOP key.
The HELP mode selection display will reappear.
→ To exit the HELP mode
→ To access another HELP mode : Enter the desired mode number
326
Self-check, Data Display, etc.
● Checking sensor, switch and etc.
FRONT COVER SENSOR / TOP COVER SWITCH /
MAIN THERMISTOR / THERMAL HEAD THERMISTOR
● Self-check. (SHADING MEMORY CHECK / FPGA CHECK)
● Data Display. (TIME LAPSE FROM LAST PRINT)
0
Photopassing Photointerrupting
ON : Close OFF : Open
Numerical value (°C/F)
Numerical value(°C/F)
OK
OK
: Turn the power switch OFF.
using the numeric keys.
HELP-021
PLEASE WAIT
HELP-021
1
CHECK
1 :FRONT COVER SENSOR
0 :TOP COVER SWITCH
29 :MAIN THERMISTOR(°C )
28:THERMAL HEAD THERMISTOR(°C )
OK :SHADING MEMORY CHECK
OK: FPGA CHECK
NG
0 :0:TIME LAPSE FROM LAST PRINT
NG