Uploaded January 2026 | Updated September 2026, 3 weeks ago

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An unexpected halt in a printer carriage's leftward travel, often accompanied by a jarring noise, reveals a fascinating mechanical interaction. The culprit, surprisingly, isn't always the main drive belt. Instead, attention should turn to the capping station—the unsung hero (or villain) of the printhead parking sequence. This mechanism controls both a rear locking bracket and a small wiper assembly. When the wiper fails to retract properly, it creates a physical barrier, stopping the carriage dead in its tracks during diagnostic checks or while setting up for a cleaning cycle. Understanding this critical synchronization explains why the movement is sometimes successful and sometimes blocked completely.
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