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3-1. Malfunction detection timing and remedies
• If the problem cannot be corrected by the user, a service code is displayed.
(1) FATAL ERROR CODE 04H / SERVICE CALL 04 ENGINE BOARD: Malfunction of
the master board
<Remedy>
(2) FATAL ERROR CODE 05H / SERVICE CALL 05 FLASH ROM: Malfunction of the
FLASH ROM during initialization
<Remedy>
(3) FATAL ERROR CODE 08H / SERVICE CALL 08 MAIN MOTOR: Malfunction of the
main motor
<Remedy>
(4) FATAL ERROR CODE 0BH / SERVICE CALL 0B XFER FAN: Malfunction of the
ventilation fan motor
<Remedy>
Components for display of the warning
Master board (PWB-A)
Step Remedy
Reference
Page
WARNING DIAGRAM
Control signal
Location (electrical
component)
1 Replace PWB-A. - - -
Components for display of the warning
Controller control board (PWB-P)
Step Remedy
Reference
Page
WARNING DIAGRAM
Control signal
Location (electrical
component)
1
Turn the printer off and on
again.
-- -
2 Reload system code. - - -
3
Replace PWB-P.
-- -
Components for display of the warning
Main motor (M1) Master board (PWB-A)
Power Unit (PU)
Controller control board (PWB-P)
Step Remedy
Reference
Page
WARNING DIAGRAM
Control signal
Location (electrical
component)
1 Check M1 operation. 151 M1_REM 5-A
2Replace PU. - - -
3 Replace PWB-A. - - -
4 Replace PWB-P. - - -
Components for display of the warning
Ventilation fan motor (M6) Master board (PWB-A)
Power Unit (PU)
Controller control board (PWB-P)
Step Remedy
Reference
Page
WARNING DIAGRAM
Control signal
Location (electrical
component)
1 Check M6 operation. 151 M6_REM 3-E
2Replace PU. - - -
3 Replace PWB-A. - - -
161