Toshiba e-STUDIO520 Service Handbook page 37

Error code Classification
C730 RADF related ser-
vice call
C820
C830
C840
C850
C860
C870
C940 Circuit related ser-
vice call
C970 Process related
service call
CA10 Laser optical unit
related service call
CA20
CA30
CA41
CA42
CA43
CA44
CA50
CA90
CAA0
CAB0
CAC0
CAF0
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Contents
EEPROM error: EEPROM cannot be initialized normally
when the code 05-352 is performed or the data cannot be
read out of the EEPROM when the power is turned ON.
Read sensor adjustment error: The read sensor cannot
be adjusted normally when the code 05-356 is performed.
Original length detection sensor adjustment error: The
original length detection sensor cannot be adjusted nor-
mally when the code 05-356 is performed.
Small original reverse sensor adjustment error: The small
original reverse sensor cannot be adjusted normally
when the code 05-356 is performed.
Tray lift motor abnormality
Large original exit sensor adjustment error: The large
original exit sensor cannot be adjusted normally when the
code 05-356 is performed.
Temperature detection error
Engine-CPU abnormality
High-voltage transformer leakage abnormality: The high-
voltage leakage of the main charger is detected.
Polygonal motor abnormality: The polygonal motor does
not run normally.
H-sync detection error: Laser beam cannot be detected
at the SNS board.
Secondary scanning coarse adjustment error
[e-STUDIO850]
Window comparator abnormality (error during secondary
scanning control)
[e-STUDIO850
Sensor signal busy error (error during secondary scan-
ning control)
[e-STUDIO850]
Comparator abnormality
[e-STUDIO850]
Beam sensor detection error
[e-STUDIO850]
Laser power adjustment error
[e-STUDIO850]
Image data transmission error of SYS board: Communi-
cation error has occurred between the PLG board and
the SYS board.
Secondary scanning fine adjustment error: Secondary
scanning control by the galvanometer mirror does not
end normally.
[e-STUDIO850]
Inter-page correction error of secondary scanning: Inter-
page secondary scanning control by the galvanometer
mirror does not end normally.
[e-STUDIO850]
Primary scanning dot adjustment error: Primary scanning
control does not end normally.
[e-STUDIO850]
Inter-page correction error of primary scanning: Inter-
page primary scanning control does not end normally.
[e-STUDIO850]
2 - 11
06/09
Troubleshooting
Ch.5.1.10
Ch.5.1.10
Ch.5.1.10
Ch.5.1.10
Ch.5.1.10
Ch.5.1.10
Ch.5.1.10
Ch.5.1.13
Ch.5.1.13
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
Ch.5.1.11
e-STUDIO520/523/600/603/720/723/850/853
ERROR CODE AND SELF-DIAGNOSTIC MODE
2