Kyocera FS 2000D User Manual

							2F8/2F9/2GA
1-4-15 (6)
Defective message 
displaying (LCD) [2].
No message appears 
on the message dis-
play (LCD), even 
thought the mes-
sage background 
does not illuminate 
faintly. (The power is 
not supplied to the 
operation panel 
PWB.)Broken power cord. Replace the power cord.
The power cord is not 
plugged in properly.Check the contact between the printer’s AC inlet and the AC 
power outlet.
No electricity at the AC 
power outlet.Measure the AC input voltage.
Defective power source 
unit.Replace the power source unit (See page P.1-5-28).
Defective harness between 
operation panel PWB (YC1) 
and main PWB (YC13), or 
improper connector inser-
tion.Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Defective operation panel 
PWB.Replace the operation panel PWB.
Defective main PWB (sys-
tem DIMM PWB).Replace the main PWB [system DIMM PWB] (See page P.1-5-26).
(7)
Close rear unit dis-
play is not cancelled 
to closing the rear 
unit.Defective fuser unit’s 
drawer connector.If a fuser unit which is known to work normally is available for 
check, replace the current fuser unit in the printer with the normal 
one. If the symptom disappears, replace the fuser unit with a new 
one.
Defective harness between 
engine PWB (YC6) and 
fuser drawer connector, or 
improper connector inser-
tion.Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Defective engine PWB. Replace the engine PWB (See page P.1-5-22).
(8)
Close top cover dis-
play is not cancelled 
to closing the top 
cover.Deformed interlock switch 
1s actuator lever.Check the bending of the actuator lever of the interlock switch 1, if 
there is trouble, remedy or replace.
Defective power source 
unit.Replace the power source unit (See page P.1-5-28).
Defective engine PWB. Replace the engine PWB (See page P.1-5-22).
(9)
Close left side 
cover display is not 
cancelled to closing 
the left side cover.Deformed interlock switch 
2s actuator lever.Check the bending of the actuator lever of the interlock switch 2, if 
there is trouble, remedy or replace.
Defective harness between 
interlock switch 2 and con-
nect-L PWB (YC12), or 
improper connector inser-
tion.Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Defective interlock switch 2. Replace the interlock switch 2.
Defective engine PWB. Replace the engine PWB (See page P.1-5-22). Problem Causes Check procedures/corrective measures
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							2F8/2F9/2GA
1-4-16
1-4-5  Mechanical problems
Problem Causes/check procedures Corrective measures
(1)
No primary paper feed.Check if the surfaces of the following rollers 
are dirty with paper powder: pickup roller, 
paper feed roller, and MP tray feed roller.Clean with isopropyl alcohol.
Check if the pickup roller, paper feed roller 
and MP tray feed roller are deformed.Check visually and replace any deformed 
rollers.
Defective installation position of paper feed 
drive unit (paper feed clutch, MP tray paper 
feed clutch and middle feed clutch) or MP tray 
paper feed solenoid.Check the installation position of paper feed 
drive unit (paper feed clutch, MP tray paper 
feed clutch and middle feed clutch) or MP 
tray paper feed solenoid.
Defective installation position of paper feed 
motor.Check the installation position of paper feed 
motor.
(2)
No secondary paper 
feed.Check if the surfaces of the upper and lower 
registration rollers are dirty with paper pow-
der.Clean with isopropyl alcohol.
Defective installation position of paper feed 
drive unit (paper feed clutch, MP tray paper 
feed clutch and middle feed clutch) or MP tray 
paper feed solenoid.Check the installation position of paper feed 
drive unit (paper feed clutch, MP tray paper 
feed clutch and middle feed clutch) or MP 
tray paper feed solenoid.
Defective installation position of paper feed 
motor.Check the installation position of paper feed 
motor.
(3)
Skewed paper feed.Check if the paper is curled. Change the paper.
(4)
Multiple sheets of paper 
are fed at one time.Check if the paper is excessively curled. Change the paper.
Deformed guides along the paper conveying 
path.Check visually and replace any deformed 
guides.
(5)
Paper jams.Check if the contact between the upper and 
lower registration rollers is correct.Check visually and remedy if necessary. 
Replace the pressure spring if it is 
deformed.
Check if the press roller is extremely dirty or 
deformed.Clean or replace the press roller (See page 
P.1-5-18).
Check if the contact between the heat roller 
and its separation claws is correct.Repair if any springs are off the separation 
claws.
(6)
Toner drops on the paper 
conveying path.Check if the developer unit or drum unit is 
extremely dirty.Clean the developer unit or drum unit (See 
page P.1-5-10 or P.1-5-9).
(7)
Abnormal noise is heard.Check if the pulleys, rollers and gears operate 
smoothly.Grease the bearings and gears.
Check if the following drive unit are installed 
correctly:
Paper feed drive unit
Main drive unitCorrect.
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							2F8/2F9/2GA-4
1-5-1
1-5 Assembly and Disassembly1-5-1  Precautions for assembly and disassembly
(1) Precautions
Be sure to turn the power switch off and disconnect the power plug before starting disassembly.
When handling PWBs, do not touch connectors with bare hands or damage the PWB.
Do not touch any PWB containing ICs with bare hands or any object prone to static charge.
Use only the specified parts to replace the fuser unit thermostat. Never substitute electric wires, as the printer may be seri-
ously damaged.
When removing the hook of the connector, be sure to release the hook.
(2) Drum
Note the following when handling or storing the drum.
When removing the drum unit, never expose the drum surface to strong direct light.
Keep the drum at an ambient temperature between 0 
°C/32 °F and 40 °C/104 °F and at a relative humidity not higher than 
90% RH. Avoid abrupt changes in temperature and humidity.
Avoid exposure to any substance which is harmful to or may affect the quality of the drum.
Do not touch the drum surface with any object. Should it be touched by hands or stained with oil, clean it.
(3) Toner container
Store the toner container(s) in a cool, dark place.
Avoid direct light and high humidity.
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							2F8/2F9/2GA-2
1-5-2
1-5-2  Outer covers
(1) Detaching and refitting the top cover
Procedure
1. Open the top cover.
2. Remove the two screws.
3. Remove the one connector and then 
remove the top cover.
Figure 1-5-1
Connector Screw
ScrewTo p  c over
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							2F8/2F9/2GA-4
1-5-3 (2) Detaching and refitting the right cover and left cover
Procedure
1. Remove the paper cassette.
2. Open the MP tray.
3. Open the rear unit.
4. Remove the top cover (See page P.1-5-2).
5. Unlatch the three latches and then remove 
the right cover.
Figure 1-5-2
6. Remove the one screw.
7. Unlatch the six latches and then remove the 
left cover.
Figure 1-5-3
Latch
Latch
Latch Right cover
Latch
LatchLatchLatch
Latch Latch
Left cover
Left coverScrew
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							2F8/2F9/2GA-1
1-5-4
1-5-3  Paper feed section
(1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller)
Procedure
1. Remove the paper cassette.
2. While pushing the lock and then slide the 
paper feed roller pin.
3. While pressing the lever and then remove 
the paper feed roller assembly.
4. Check or replace the paper feed assembly 
and refit all the removed parts.
Figure 1-5-4
Paper feed assembly
(Paper
feed
roller)
(Pickup
roller) Paper feed roller pin
*: 35/37 and 45/47 ppm printer (EUR/USA model) only.Lever
Lock
Spring*
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							2F8/2F9/2GA-1
1-5-5 (2) Detaching and refitting the retard roller
Procedure
1. Remove the paper cassette.
2. Push the bottom plate down until it locks 
(30/31 ppm printer [EUR/USA model] only).
3. Unlatch the two latches and then remove 
the retard guide.
Figure 1-5-5
4.  Remove the retard holder (roller) from the 
retard guide.
5. Check or replace the retard roller and refit all 
the removed parts.
Figure 1-5-6
Paper cassette
Bottom plate
Retard guide
LatchLatch
Retard guide
Retard holder
(Retard roller assembly)
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							2F8/2F9/2GA
1-5-6 (3)  Detaching and refitting the registration upper and lower roller
Procedure
1. Remove the developer unit (See page P.1-5-
9).
2. Remove the spring.
3. Pull the registration upper roller.
Figure 1-5-7
4. Remove the registration upper roller from 
the bush.
5. Remove the gear and bush from the regis-
tration upper roller.
Figure 1-5-8
Spring
Registration
upper roller
Registration
upper rollerGear
BushBush
Registration
upper roller
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							2F8/2F9/2GA
1-5-7 6. Remove the registration lower roller.
7. Remove the stopper, gear and three bushes 
from the registration lower roller.
8. Check or replace the registration upper and 
lower roller and refit all the removed parts.
Figure 1-5-9
Registration
lower roller
BushBushBushGear
Stopper
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							2F8/2F9/2GA
1-5-8 (4) Detaching and refitting the MP tray paper feed roller
Procedure
1. Open the MP tray.
2. Grasp and pull the MP tray upwards until it 
is removed from the printer.
Figure 1-5-10
3. Pull the MP tray paper feed roller holder.
4. Slide the MP tray paper feed roller holder.
5. Remove the MP tray paper feed roller.
6. Check or replace the MP tray paper feed 
roller and refit all the removed parts.
Figure 1-5-11
MP tray
MP tray paper feed roller MP tray paper feed roller holder


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