Ricoh A230 Service Manual page 1027

BULLETIN NUMBER:
APPLICABLE MODEL:
GESTETNER – 3535S/3235/3245
RICOH – AFICIO 340/350/450
SAVIN – 9935D/9935DP/9945DP
SUBJECT: SC 543 FUSING UNIT OVER HEAT ERROR
SYMPTOM:
SC 543 is displayed on the operational panel.
CAUSE:
The Fusing Unit Harness may contact the Rear Lamp Terminal. This can cause the insulation to melt over
time and allow the wiring harness to short to the Lamp Terminal causing a SC543 code.
SOLUTION:
The fusing unit harness has been wrapped in heat resistance silicon tubing.
Harness wrapped in heat
resistance silicon tubing
NOTE: The part number for the Fusing Unit Harness 115V (A2324094) has not been changed.
RICOH GROUP COMPANIES
TECHNICAL SERVICE BULLETIN
A230/A231/A232 - 029 09/20/99
Continued...
CONTROL NO. 377