: Loose or oxidized connectors between the fuser unit and the main body of the copier. Recommended Troubleshooting Steps
Open the right-side door and verify that the fuser film and pressure roller are not physically damaged.
: Faulty wiring harnesses or a defective Input/Output Board (IOB) misinterprets the sensor signals. Affected Ricoh Machine Families
using compressed air or a soft cloth to remove paper dust or toner buildup. sc569-00 ricoh
: Loose paper scraps or toner buildup can prevent the gears from turning.
of your Ricoh machine to expose the fuser unit.
. This typically means the machine failed to detect the home position for the pressure roller during the depressurizing cycle. Common Causes Mechanical Resistance : Loose or oxidized connectors between the fuser
Users often report these warning signs just before the error triggers:
Poor contact between the fuser unit connectors and the machine's internal frame. Troubleshooting Steps
: The U-shaped photo-interrupter sensor inside the fuser cavity detects the rotation of a half-moon (semicircle) gear. Toner dust, paper lint, or accidental impacts can block or knock this sensor out of alignment. Affected Ricoh Machine Families using compressed air or
Flip the primary physical switch on the side of the machine. Unplug the main power cord from the wall outlet.
The motor responsible for raising and lowering the pressure roller.
The motor driving the toner supply is damaged or stuck.
If the sensor or motor has physically failed, parts will need to be replaced. You can find authorized service providers through the Ricoh Support page or by contacting local retailers like Copier Liquidation Center for technical guidance.
Ensure they click into place. If a bottle is warped, try a new cartridge. 2. Perform a Power Cycle