If physical cleaning doesn't work, you may need to clear the machine's state:
: Wipe the small black velvet strip (usually near the clamp) with a dry cloth to remove paper dust.
First, physically remove the drum and verify there is no master attached. Check the for jams or broken transfer belts, which can prevent the master from leaving the drum area. 2. The "Sharpie Trick" (For False Errors)
: The machine uses an optical sensor to detect masters. If the sensor is dirty or blocked, it may falsely report a master is present.
If physical cleaning doesn't work, you may need to clear the machine's state:
: Wipe the small black velvet strip (usually near the clamp) with a dry cloth to remove paper dust. riso error a16-525
First, physically remove the drum and verify there is no master attached. Check the for jams or broken transfer belts, which can prevent the master from leaving the drum area. 2. The "Sharpie Trick" (For False Errors) If physical cleaning doesn't work, you may need
: The machine uses an optical sensor to detect masters. If the sensor is dirty or blocked, it may falsely report a master is present. If physical cleaning doesn't work
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