Oki LP-1040 Maintenance Manual page 177

Error
Cause
No.
E EN 2023 PM01 (process
motor) trouble
E EN 2024 GM01 (developer
unit pulse motor)
trouble
E EN 2025 GM01 (developer
unit pulse motor)
trouble
E EN 2026 GM01 (developer
unit pulse motor)
trouble
E EN 2027 TM01 (paper feed
pulse motor)
trouble
E EN 2028 TM01 (paper feed
pulse motor)
trouble
(rewinding)
E EN 2029 TM01 (paper feed
pulse motor)
trouble
(high speed)
E EN 202A TM01 (paper feed
pulse motor)
trouble
(normal speed)
E EN 202B TM01 (paper feed
pulse motor)
trouble
E EN 2030 Power supply
problem (problem
with 50Hz/60Hz
judgment value)
User Solution
- Restart the printer. - Clean the contacts at both ends
- Open and close the of the SCOROTRON
paper outlet cover. CHARGER UNIT.
- Open and close the fuser - Check the contacts and clean
unit drawer. the plate springs on the side
- Open and close each and upper parts inside the
door. Printer.
- Reverse the - Check INT5 (MS06-1 and
SCOROTRON MS06-2) On/Off setting,
CHARGER UNIT's right position, and contact.
and left. - Check MS18 for On/Off setting,
position, and contact.
- Check INT3 for On/Off setting,
position, and contact.
- Check CBL-INT1 for open/short
circuit.
- Check CBL-INT3 for open/short
circuit.
- Check CBL-RASDC for
open/short circuit.
- CBL-PM for open/short circuit.
- CBL-PMDC for open/short
circuit.
- Check CL04 operation.
- Check visually for abnormal
electrical discharge from the
developing to the
photoconductor drum.
- Restart the printer. - Check MS18 for On/Off setting,
- Open and close each position, and contact.
door. - Check INT3 for On/Off setting,
position, and contact.
- Check CBL-INT1 for open/short
circuit.
- Check CBL-INT3 for open/short
circuit.
- Check CBL-RASDC for
open/short circuit.
- Check CBL-MECH3 for
open/short circuit.
- Check CBL-DEV2 for
open/short circuit.
ditto ditto
ditto ditto
- Restart the printer. - Check MS18 for On/Off setting,
- Open and close each position, and contact.
door. - Check INT3 for On/Off setting,
position, and contact.
- Check CBL-INT1 for open/short
circuit.
- Check CBL-INT3 for open/short
circuit.
- Check CBL-RASDC for
open/short circuit.
- Check CBL-TM for open/short
circuit.
ditto ditto
ditto ditto
ditto ditto
ditto ditto
Restart the printer. Check CBL-ARCCNT for
open/short circuit.
Chapter 5 Engine Problems Troubleshooting
Service Engineer Inspection
(For inspection criteria, see
Reference to Check/Replace
Parts.)
Reference to
Assumed
Check/Replace
Replacement Part
Parts
 P. 9-113
- INT5 (MS06-1 and
 P. 5-12 (2)
MS06-2)
 P. 5-13
- MS18
 P. 9-135
- INT3
 P. 9-65
- CBL-RASDC
 P. 9-54
- PSU-T2
 P. 9-55
- CBL-FUSER11
- CBL-FUSER12
- PCB-ASSY-AAC
- PCB-ASSY-ARC
- Developer unit
 P. 5-11 (1)
- MS18
 P. 9-135
- INT3
 P. 9-65
- CBL-INT1
 P. 9-54
- CBL-INT3
 P. 9-55
- CBL-RASDC
- PSU-T2
- CBL-MECH3
- CBL-DEV2
- PCB-ASSY-AAC
- PCB-ASSY-ARC
ditto ditto
ditto ditto
- MS18 ditto
- INT3
- CBL-INT1
- CBL-INT3
- CBL-RASDC
- PSU-T2
- CBL-TM
- PCB-ASSY-AAC
- PCB-ASSY-ARC
ditto ditto
ditto ditto
ditto ditto
ditto ditto
 P. 5-14 (4)
- PSU-T2
 P. 9-65
- PCB-ASSY-ARC
 P. 9-55
5-3