5-4
UP-895/(E)
5-4. Head Operation (Up & Down) is Out of Order
IC400 and Q402 on MA-99 board are defective.
NO
YES
Does head motor operate?
START
The head position sensors (PH21 and PH22) on SE-531
board are defective.
NO
YES
Are signals from sensor
available at pins 2 and 3 of CN2
on MA-99 board?
Pins 16 and 17 of IC304 on MA-99 board are defective.
Summary of Contents for UP-895
Page 1: ...VIDEO GRAPHIC PRINTER UP 895 UP 895CE UP 895MD SERVICE MANUAL 1st Edition ...
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Page 71: ...10 1 UP 895 E 10 1 2 3 4 5 1 A B C D E F G H Section 10 Schematic Diagrams and Board Layouts ...
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