Lexmark T52 Series, Service Manual

Page: 46 / 334

2-18
Service Manual
4520-xxx
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
First 6
Bytes Sub
Error Code
Data - Note:
xx can be
any value
Explanation