Sc Code Descriptions - Gestetner A294 Service Manual

SERVICE CALL CONDITIONS

7.1.2 SC CODE DESCRIPTIONS

SC101: Exposure Lamp Error
Definition [B]
The standard white level was not detected properly when scanning the white
plate.
Possible Causes
• Exposure lamp defective
• Lamp stabilizer defective
• Exposure lamp connector defective
• Dirty standard white plate
• Dirty scanner mirror or scanner mirror out of position
• SBU board defective
• SBU connector defective
• Lens block out of position
SC120: Scanner Home Position Error 1
Definition [B]
The scanner home position sensor does not detect the on condition during
initialization or copying.
Possible Causes
• Scanner home position sensor defective
• Scanner motor defective
• MCU defective
• Scanner home position sensor connector defective
• Scanner drive motor connector defective
SC121: Scanner Home Position Error 2
Definition [B]
The scanner home position sensor does not detect the off condition during
initialization or copying.
Possible Causes
• Scanner home position sensor defective
• Scanner drive motor defective
• MCU defective
• Scanner home position sensor connector defective
• Scanner drive motor connector defective
• Scanner drive wire, timing belt out of position
A294/A295
CÓPIA NÃO CONTROLADA
7-2
CÓPIA NÃO CONTROLADA
Rev. 9/2001
SM