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6-3
UP-D70/D70A (UC,CE)
6-2. ELECTRICAL SECTION
• The unit has self diagnosis function. If the unit can be entered in service mode, perform self
diagnosis (See service mode.)
• If error indicating is appeared, see SY-270 and MEC-11 boards circuit operation descriptions.
1. Contents of trouble
a) When turning on power switch and establishing modes.
(1) After power switch is turned ON, the indication is not appeared in the liquid crystal.
(2) Liquid crystal indication "DIGITAL COLOR PRINTER UP-D70" are not changed.
b) When connecting with computer.
(1) The unit is not recognized by the PC.
(2) Only poor print from PC (Test pattern print is normal.)
c) When printing
(1) Printing operation is done, but nothing is printed.
(2) Mis-registration of print.
(3) There is a horizontal white line and data failure.