If the SC569-00 error code appears immediately after powering on, or if the hard reset does not resolve it, it is likely that the or the fuser sensor needs to be replaced.
The motor responsible for raising and lowering the pressure roller.
You can verify the sensor's functionality using the SP mode.
: Hardened grease, paper debris, or a warped fuser unit frame binds the pressure release shaft. sc569-00 ricoh
The SC triggers when:
: The motor responsible for moving the pressure rollers is defective or physically obstructed.
: Open the right-side door of the machine and check for visible damage to the pressure roller or fuser film. If the SC569-00 error code appears immediately after
: Using paper that is too heavy (outside the machine's GSM specifications) or specialty media (like labels or thick cardstock) can sometimes cause the pressure rollers to bind or slip, triggering the motor error. JustAnswer Recommended Steps Clear Any Jams
Occasionally, a software glitch causes timing mismatch errors between the system board and the fuser sensors. 📋 Step-by-Step Troubleshooting and Diagnostics
When a heavy-duty copier warms up or processes variable paper stocks, it dynamically adjusts the physical pressure between the hot fuser roller and the pressure roller. When the machine reaches roughly 150°C during warm-up, it cycles the pressure lift motor to test the system. If the sensor does not register this movement within a designated time window, the system throws the SC569-00 code and halts operation to prevent physical damage. : Hardened grease, paper debris, or a warped
: 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.
Many Ricoh error codes are triggered by temporary timing delays or minor power fluctuations.
A "half-moon" or semicircular gear that passes through the sensor's slot may be stuck or damaged.
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