If no physical damage is found, you can attempt to clear the error using the :
Manually spin the gears to ensure the actuator plate smoothly passes directly through the center of the sensor slot without scraping against the sides. Step 3: Check Connector Integrity
SP 5-810 resets counters. If you only want to clear the SC code without resetting PM (Preventive Maintenance) counters, use SP 7-403 (SC Code Reset) instead.
In high-volume Ricoh copiers, the fusing unit uses extreme heat and physical pressure to permanently bond toner to paper. When the machine enters standby mode, completes a print job, or warms up to roughly 150°C, it activates a specialized motor to engage or release this physical pressure. sc569-00 ricoh
Here’s a clear, informative text about the service code:
: Do NOT use lubricant on the one-way gears or their shafts, as this will cause them to slip.
: The most frequent culprit is the One-Way Gear (P/N: D0BQ1375) . If this gear fails, you may hear several "thumping" rotations of the camshaft about 60 seconds after a job ends, followed immediately by the error. If no physical damage is found, you can
Select the reset option, press , and touch Execute on the panel. 5
| Category | Specific Component | Common Failure Mode | | :--- | :--- | :--- | | | Gears & Linkages | A crack, break, or excessive friction can prevent the motor from moving the mechanical linkage to its correct position. | | Motor & Electrical | Paper Exit/Pressure Release Motor | The motor itself may be faulty, burnt out, or experiencing an electrical overload that causes it to lock up. | | Sensor Issues | Pressure Release HP Sensor | A defective sensor, a broken actuator, or a loose connection can prevent the main board from receiving the signal confirming the mechanism is at its Home Position (HP). |
Turn the main power switch off, wait 30 seconds, and restart the copier. Affected Ricoh Models and Prevention In high-volume Ricoh copiers, the fusing unit uses
If a physical inspection and power cycle don't clear the error, you may need to perform a reset from the printer's service mode. If you are a qualified technician, you can follow these steps:
The motor itself may have failed due to age or electrical failure.
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