4. Trouble codes
A. Trouble codes list B. Details of trouble codes
64 01 Self print
Print of one page is made regardless of the status of the optical system.
(Operating procedure)
When this simulation is executed, warm-up is performed and the ready lamp is lighted. Enter the code number with the 10-key,
and select the cassette with the cassette select key and press the PRINT switch, and paper feed operation will be made from
the selected cassette and printing of the selected pattern will be made. Printing is in 1by2 mode, or grid pattern.
67 50 USB receive speed adjustment (USB1.1)
Used to set the limitation on the print data receive speed of USB2.0 (Full speed) port (USB port on the machine).
→ When print images from USB2.0 (Full speed) port are disturbed, change the setting and try again.
When this simulation is executed, the currently set code number is displayed.
Enter the code number corresponding to the adjustment value, and press START key to change the setting.
Main
code
Sub
code
Content
Code number Pattern
01by2
1 Grid pattern
2 White paper
3 Black background
Code number Setting Speed
1FAST ↑ Fast
2NORMAL1
3NORMAL2
4SLOW ↓ Slow
Main
code
Sub
code
Details of trouble
E7 01 Duplex model memory setup error, memory not-
detected error
02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F5 02 Copy lamp lighting abnormality
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time
after starting feeding. (The scan head locking switch
is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
32 Exhaust fan motor lock detection trouble
L6 10 Polygon motor lock detection
U2 04 EEPROM read/write error (Serial communication
error)
11 Counter check sum error (EEPROM)
Main
code
Sub
code
Details of trouble
E7 01 Content Duplex model memory setup error, memory
not-detected error
Detail The memory is not set properly or the
memory capacity is not set to the duplex
setup (6M).
Check
and
remedy
Set SIM 26-39 code number to 2.
02 Content LSU trouble
Detail The BD signal from the LSU cannot be
detected in a certain cycle. (Always OFF or
always ON)
Cause LSU connector or LSU harness defect or
disconnection
Polygon motor rotation abnormality
Laser beams are not generated.
MCU PWB abnormality.
Check
and
remedy
Check connection of the LSU connector.
Execute SIM 61-03 to check the LSU
operations.
Check that the polygon motor rotates
normally.
Check that the laser emitting diode
generates laser beams.
Replace the LSU unit.
Replace the MCU PWB.
10 Content Shading trouble (Black correction)
Detail The CCD black scan level is abnormal
when the shading.
Cause Improper connection of the CCD unit flat
cable
CCD unit abnormality
MCU PWB abnormality
Check
and
remedy
Check connection of the CCD unit flat
cable.
Check the CCD unit.
Y109500-5 Service Manual 10-17
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