Lexmark T620 Service Manual - Page 46

4069-5XX/7XX First 6 Bytes Sub Error Code Data - Note: xx can be any value Explanation EN 41 xx yy -- 1 EN -- zz -- -2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. zz=00 The fuser temperature did not change enough from the fuser lamp temperature at turn on. 01 The fuser temperature rose more than desired from the fuser temperature at turn on. 922 Service - Fuser Error (Fuser failed to reach standby temperature) EN 42 xx yy -- 1 EN z1 z2 -- - 2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. zz=00 The fuser temperature did not change enough from the fuser lamp temperature at turn on. 01 The fuser temperature rose more than desired from the fuser temperature at turn on. z2=00 The Hot Roll did not reach standby temperature in time during standby. 01 The Hot Roll took too long to reach the beginning lamp detection temperature. 02 The Hot Roll reached 'final lamp detection temperature' but took longer than expected. 03 The Hot Roll timed out trying to reach the 'final lamp detection temperature.' 04 After Hot Roll lamp detection, did not reach steady state control in time. 05 The Hot Roll did not reach operating temperature in time. 923 Service - Fuser Error (Fuser over temperature) EN 12 xx yy -- 1 EN -- -- -- -2 This sub error code is displayed anytime that the Hot Roll has reached a higher than desired temperature. xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. 924 Service - Fuser Error (Open Thermistor Failure) EN 18 xx -- - 1 EN -- 00 -- -2 This code is usually generated when an open circuit check is made of the thermistor circuit in the fuser. xx=Actual Fuser Temperature 2-18 Service Manual