Kyocera TASKalfa 3051ci, Service Manual

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2L6/2N6/2N5/2N4
1-4-261
3
Toner container Shake the toner container up
and down approx. 10 times, and
check the following:
1. Check the messege of the
toner replenishing is shown.
2. Check whether the toner
supply inlet is open.
If the message prompting toner replenishing is
shown, the toner inlet is not open, replace the
toner container.
4
Toner supply motor Execute U135 to check the
revolution of the toner supply
motor. (see page 1-3-97)
If the toner supply motor does not rotate,
replace.
5
High-voltage
PWB1 Check if the developing bias
value is at its default by U140. 1. If the value obtained by U140 does not
conform to the default value, reset it to the
default. (see page 1-3-99)
2. Replace the high-voltage PWB1.
6
Intermediate trans-
fer belt unit 1. Check whether the
connecting terminals are
deformed.
2. Check the value of the U106.
(see page 1-3-80)
1. If the connecting terminals are deformed,
correct for a proper conduction.
2. If the value obtained by U106 does not
conform to the default value, reset it to the
default.
3. Replace the intermediate transfer belt unit.
7
High-voltage
PWB2 The primary transfer current sup-
plied by the high-voltage PWB2
is faulty. Replace the high-voltage PWB2.
8
LSU 1. The laser diode on the LSU
APC PWB is out of control.
2. Check whether the internal
mirrors are contaminated.
Replace the LSU. (Perform U119)
(see page 1-3-92)
9
Drum unit 1. Check if the discharging
lamp is dirty.
2. Check whether it is lit.
1. If the discharging lamp is dirty, clean.
2. If not cured, or it does not light, replace the
drum unit. (Perform U119)(see page 1-3-
92)
10
Engine PWB The engine PWB is defective. Replace the enging PWB. (see page 1-5-80)
Defective part Check description Corrective Action