HP Color LaserJet Enterprise CM4540 Service Manual - Page 659
Table 3-28, Causes and solutions for stapler/stacker stationary jams continued
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Table 3-28 Causes and solutions for stapler/stacker stationary jams (continued) Cause Solution The lever for the stapler/stacker media feed sensor (SR5) is set incorrectly or damaged. Check the sensor lever to make sure it is set correctly. If it is damaged, replace the stage top unit. The spring of the stapler/stacker media feed sensor (SR5) lever is unhooked. Check the spring and place it in correct position. Poor contact exists in the stapler/stacker media feed sensor (SR5) connector. Reconnect the connector (J453) on the stapler/stacker controller PCA. The stapler/stacker media feed sensor (SR5) is defective. Replace the stage top unit. Poor contact exists in the stapler/stacker feed Reconnect the connector (J461) on the stapler/stacker controller PCA. motor drive connector. The stapler/stacker feed motor is defective. Replace the stapler/stacker feed motor. The lever for the output bin 3 delivery sensor (SR1) is set incorrectly or damaged. Check the sensor lever to make sure it is set correctly. If it is damaged, replace the stage unit. The spring of the output bin 3 delivery sensor Place the spring in the correct position. (SR1) lever is unhooked. Poor contact exists in the output bin 3 delivery Reconnect the connector (J451) on the stapler/stacker controller PCA. sensor (SR1) connector. The output bin 3 delivery sensor (SR1) is defective. Replace the stage unit. Table 3-29 Causes and solutions for stapler/stacker residual paper jams Cause Solution The stapler/stacker contains residual paper. Remove any residual paper. The sensor detecting the stapler/stacker residual paper jam is set incorrectly or damaged. Check the sensor lever to make sure it is set correctly. If it is damaged, replace the following: Output bin 3 delivery sensor (SR1), stapler/stacker media feed sensor (SR2), stapler/stacker media feed sensor (SR5), and stage top unit. The spring of the sensor lever detecting the stapler/stacker residual paper jam is unhooked. Check the spring of the sensor lever to make sure it is set correctly. Poor connector contact exists in the sensor detecting the stapler/stacker residual paper jam. Reconnect the following: Output bin 3 delivery sensor, connector (J451) on the stapler/stacker controller PCA stapler/stacker media feed sensor (SR2), connector (J451) on the stapler/stacker controller PCA stapler/stacker media feed sensor (SR5), and connector (J453) on the stapler/stacker controller PCA. The sensor detecting the stapler/stacker residual paper jam is defective. Replace the following: Output bin 3 delivery sensor (SR1), stapler/stacker media feed sensor (SR2): stapler/stacker media feed sensor (SR5), and stage top unit. ENWW Clear jams 607
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