Lexmark T650 Service Manual - Page 125
assembly removal T650, Fuser unit assembly
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4062 Error code or message 920.31 920.32 920.50 920.51 Error contents Fuser warm-up failure Fuser type = 2 Fuser warm-up failure Fuser type = 2 Fuser under temperature Fuser type = 1 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Description/Action The fuser hot roll temperature does not increase while the lamp is turned on. The fuser hot roll temperature is not maintained properly while the media in the fuser nip. 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. 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. Check all connections on the fuser and LVPS card assembly. 4. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. 5. Replace the LVPS card assembly if problem remains. Go to "System card assembly removal (T650, T652, T654, T656)" on page 4-76 or "LVPS card assembly removal (T652, T654)" on page 4-31. 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. Check all connections on the fuser and LVPS card assembly. 4. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. 5. Replace the LVPS card assembly if problem remains. Go to "System card assembly removal (T650, T652, T654, T656)" on page 4-76 or "LVPS card assembly removal (T652, T654)" on page 4-31. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. Replace the fuser unit assembly if problem remains. Go to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. Diagnostic information 2-91