Technical data

5.20 1001–1005 CALL SERVICE
5.20 1001–1005 CALL SERVICE
Description: One of the following messages is displayed when a fault occurs
in the fusing circuits that is shown in Figure 5–15. To clear the display, you
must turn the power off, then on.
1001 Fuser warm-up is too slow.
1002 Fuser thermistor circuit is open.
1003 Fuser is too hot.
1004 Fuser is always on.
Figure 5–15 Fuser Circuit and Connectors
Fusing Unit
Over Temp.
P/J 51
Driver
Board
P/J 10
Interlock
Switch
Power
Switch
Fuser Triac
Power Cord
220/240
115 VAC
P/J 14 P/J 31
DC Control
Board
Fuser ON
(L) +24 VDC
P/J 47
LVPSA
Neutral
12
1
3
12
2
1
P/J 56P/J 58
P/J 51
P/J 47
P/J 10
P/J 51
P/J 58
MLO-006648
Troubleshooting: If one of the above error codes is displayed, perform the
following steps, to fix the problem:
5–28 Display Error Code FIPs