Lexmark T654 Service Manual - Page 126

4062 Error code or message 920.52 920.53 920.54 920.56 920.57 920.75 920.76 920.77 920.78 920.79 Error contents Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 1 Fuser page count has exceeded life. Fuser under temperature Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Fuser warm-up failure Fuser type = 2 Fuser page count has exceeded life. Description/Action The fuser hot roll fell to far below desired temperature while in standby control. The fuser hot roll is too cool while checking for slope change in standby. The fuser hot roll is too cool when heating to desired temperature after slope change within standby control only. 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. The fuser hot roll fell to far below desired temperature while in standby control. The fuser hot roll is too cool while checking for slope change in standby. The fuser hot roll is too cool when heating to desired temperature after slope change within standby control only. Possible repair actions 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. 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. 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. 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. 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. 2-92 Service Manual