2L6/2N6/2N5/2N4
1-4-111
4103
BD initialization error M
After polygon motor M is
driven, the BD signal is not
detected for 1 s.
PD PWB M (LSU)
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
Laser scanner unit and LSU relay PWB
(YC8)
LSU relay PWB (YC3) and Engine PWB
(YC12)
2. If the FFC wiring is disconnected,
replace the FFC wiring.
3. Replace the laser scanner unit (see
page 1-5-43).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
4104
BD initialization error Y
After polygon motor Y is
driven, the BD signal is not
detected for 1 s.
PD PWB Y (LSU)
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
Laser scanner unit and LSU relay PWB
(YC12)
LSU relay PWB (YC3) and Engine PWB
(YC12)
2. If the FFC wiring is disconnected,
replace the FFC wiring.
3. Replace the laser scanner unit (see
page 1-5-43).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
4201
BD steady-state error K
The BD signal is not detected.
PD PWB K (LSU)
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
Laser scanner unit and LSU relay PWB
(YC5)
LSU relay PWB (YC3) and Engine PWB
(YC12)
2. If the FFC wiring is disconnected,
shorted or grounded, replace the FFC
wiring.
3. Replace the laser scanner unit (see
page 1-5-43).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
Code
Contents
Related parts
Check procedures/
corrective measures
Summary of Contents for TASKalfa 3051ci
Page 5: ...2L6 2N6 2N5 2N4 1 4 4 Machine Option2 Figure 1 4 4 Paper jam location Matchine Option2 ...
Page 201: ...2L6 2N6 2N5 2N4 5 1 4 200 ...
Page 202: ...2L6 2N6 2N5 2N4 5 1 4 201 ...
Page 203: ...2L6 2N6 2N5 2N4 5 1 4 202 ...
Page 204: ...2L6 2N6 2N5 2N4 5 1 4 203 ...
Page 257: ...2L6 2N6 2N5 2N4 5 1 4 256 16 Grainy image See page1 4 272 ...