Dell 5230dn Mono Laser Printer Service Manual - Page 118
Duplex drive motor, Fuser unit, assembly removal on, assembly removal 5350dn, 5530dn,
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Error code or message 916.00 916.01 920.00 920.01 Error contents Internal duplex drive motor encoder not detected failure Internal duplex drive motor over speed failure Fuser under temperature Fuser type = 1 Fuser warm-up failure Fuser type = 1 Description/Action The duplex drive motor encoder detection is lost during normal operation The duplex drive motor does not rotate at the specified speed. Fuser does not maintain proper operating temperature within steady state control. The fuser hot roll took too long to heat up after transitioning to new enhanced mode within standby control only. Possible repair actions 1. Check all the connections on the duplex drive motor assembly. 2. Check all the connections on the system card assembly. 3. Replace the duplex drive motor assembly if problem remains. Go to "Duplex drive motor assembly removal (5350dn, 5530dn, and T656)" on page 4-18. 1. Check all the connections on the duplex drive motor assembly. 2. Check all the connections on the system card assembly. 3. Replace the duplex drive motor assembly if problem remains. Go to "Duplex drive motor assembly removal (5350dn, 5530dn, and T656)" on page 4-18. 1. Turn the machine off/on and ensure the fuser unit assembly is properly installed. 2. Ensure the proper voltage fuser is installed in the machine. 3. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal" on page 4-22. 1. Turn the machine off/on and ensure the fuser unit assembly is properly installed. 2. Ensure the proper voltage fuser is installed in the machine. 3. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal" on page 4-22. 2-84 Service Manual