Oki LP-1040 Maintenance Manual page 180

Error
Cause
No.
E EN 2088 TH04 (fuser
temperature control
thermistor) has
exceeded the
fuser's maximum
allowed
temperature.
E EN 2089 After starting the
warm-up sequence,
the fuser
temperature TH04
did not reach the
specified
temperature within
the specified
amount of time.
E EN 208A The temperature
difference between
TH01 and TH04 is
too large.
5-6
User Solution
Restart the printer. - Check BL02 and 06 for rotation.
- Check TH01 for short circuit.
- Check TH04 for short circuit.
- Check CBL-FUSER21 for short
- Check CBL-FUSER22 for short
- Check CBL-FUSER23 for short
- Check that the ozone filter is not
ditto - Check that the halogen heater
- Temperature fuse for continuity.
- Check FL01/FL02 for continuity.
- Check TH01 for connector
- Check TH02 for connector
- Check TH04 for connector
- Check CBL-FUSER11 for open
- Check CBL-FUSER12 for open
- Check CBL-FUSER21 for short
- Check CBL-FUSER22 for short
- Check CBL-FUSER23 for short
- Check Cable (Halogen) for
- Check CBL-ARCCNT for
- Restart the printer. - Check INT5 (MS06-1 and
- Open and close the
paper outlet cover.
- Open and close the fuser - Check MS18 On/Off setting,
unit drawer.
- Open and close each - Check INT3 On/Off setting,
door.
- Upgrade the firmware to - Check BL02 and 06 for rotation.
the latest. - Check that the halogen heater
- Temperature fuse for continuity.
- Check FL01/FL02 for continuity.
- Check TH01 for connector
- Check TH04 for connector
- Check CBL-FUSER11 for open
- Check CBL-FUSER12 for open
- Check CBL-FUSER21 for short
- Check CBL-FUSER22 for short
- Check CBL-FUSER23 for short
- Check Cable (Halogen) for
- Check that the ozone filter is not
- Check CBL-ARCCNT for
Service Engineer Inspection
(For inspection criteria, see
Reference to Check/Replace
Parts.)
circuit.
circuit.
circuit.
clogged.
lights on.
quantity, paper particle, slight
removal, bentness, smear, and
open circuit.
quantity, paper particle, slight
removal, bentness, smear, and
open circuit.
quantity, paper particle, slight
removal, bentness, smear, and
open circuit.
circuit.
circuit.
circuit.
circuit.
circuit.
open circuit.
open/short circuit.
MS06-2) On/Off setting,
position, and contact.
position, and contact.
position, and contact.
lights on.
quantity, paper particle, slight
removal, bentness, smear, and
open/short circuit.
quantity, paper particle, slight
removal, bentness, smear, and
open/short circuit.
circuit.
circuit.
circuit.
circuit.
circuit.
open circuit.
clogged.
open/short circuit.
Reference to
Assumed
Check/Replace
Replacement Part
Parts
 P. 5-17
- BL02
- BL06 (9), (10)
 P. 9-79
- TH01
 P. 9-106
- TH04
- CBL-FUSER21
- CBL-FUSER22
- CBL-FUSER23
- Ozone filter
 P. 5-18 (11)
- Halogen heater
 P. 9-98
- Temperature fuse
 P. 9-106
ASSY
 P. 9-112
- FL01
 P. 9-65
- FL02
 P. 9-54
- TH01
 P. 9-55
- TH02
- TH04
- CBL-FUSER11
- CBL-FUSER12
- PSU-T2
- PCB-ASSY-ARC
- CBL-FUSER21
- CBL-FUSER22
- CBL-FUSER23
- PCB-ASSY-AAC
- Cable (Halogen)
- CBL-ARCCNT
 P. 5-18 (11)
- INT5 (MS06-1 and
 P. 9-92
MS06-2)
 P. 9-113
- BL02
 P. 9-112
- BL06
 P. 9-98
- Temperature
 P. 9-106
fuseASSY
 P. 9-65
- FL01
 P. 9-54
- FL02
 P. 9-55
- TH01
- TH04
- CBL-FUSER11
- CBL-FUSER12
- PSU-T2
- PCB-ASSY-ARC
- CBL-FUSER21
- CBL-FUSER22
- CBL-FUSER23
- PCB-ASSY-AAC
- Ozone filter
- Cable (Halogen)
- CBL-ARCCNT
- PSU-T2
- PCB-ASSY-ARC