Ricoh D124-17 Service Manual page 605

SC212 D Head Lift Motor Error
The status of the head lift sensor 1 or 2 did not change when the carriage was
raised. Within 25 sec.:
SC251 D Deficit Detection: Ink Collector Tank
The waste ink collection tank of the nozzle check unit is full.
SC251-01 D Waste ink tank full count has exceeded threshold 1.
SC251-02 D Waste ink tank full count has exceeded threshold 2
• Horizontal motor connector loose, broken, defective
• Horizontal motor blocked by an obstacle
• Horizontal encoder strip dirty
• Horizontal encoder strip loose, broken, defective, or installed incorrectly
• Horizontal encoder sensor connector loose, broken, defective
• Horizontal encoder installed incorrectly
• MCU connector loose, broken, defective
• Horizontal encoder sensor defective
• Horizontal motor defective
• MCU defective
• At initialization, head lift sensor 1 did not go OFF and head lift sensor 2
did not go ON.
• When the carriage was raised 1 mm, head lift sensor 1 did not go OFF
and head lift sensor 2 did not go OFF.
• When the carriage was raised 2 mm, print head sensor 1 did not go
ON.
• One or more sensor connector loose, broken, defective
• Lift motor connector loose, broken, defective.
• One or more sensor defective
• Lift motor defective
• Cycle the machine OFF/ON to cancel the SC error temporarily.
• The SC error will continue to display until the unit has been replaced and
the count has been cleared.
SC200: Image Writing
603