2L6/2N6/2N5/2N4-1
1-4-162
7943
Laser scanner unit M
EEPROM error
[35 ppm/ 45 ppm/ 55 ppm
model]
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
APC PWB M
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
APC PWB M and LSU relay PWB (YC8)
LSU relay PWB (YC2) and Engine PWB
(YC11)
2. If the FFC wiring is disconnected,
shorted or grounded, replace the FFC
wiring.
3. Replace 1-5-43the laser scanner unit
(see page 1-5-43).
LSU relay PWB
Replace the LSU relay PWB.
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
7944
Laser scanner unit Y
EEPROM error
[35 ppm/ 45 ppm/ 55 ppm
model]
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
APC PWB Y
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
APC PWB Y and LSU relay PWB
(YC12)
LSU relay PWB (YC2) and Engine PWB
(YC11)
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).
LSU relay PWB
Replace the LSU relay PWB.
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 ...