6-13
FS-1010
Yes
Yes
No
No
No
No
No
Connect oscilloscope to
pin 4 (OUTPEN) of
YC07 on main board
(KP-888).
Turn power switch off,
then on.
Turn power switch off,
then on.
Turn power switch on.
+5 V DC at pin 6 of
YC07 on main board
(KP-888) ?
Does
pin 4 (OUTPEN) of
YC06 on main board (KP-
888) goes high, then low
before "4200"
error?
Does pin 8
(PDN) of YC06 on
main board (KP-888) output
pulse signal*, within 0.1 second
after pin 4 (OUTPEN) goes
high, then
low?
Call service
4200:nnnnnn
Replace harness (S02770)
between main board and
engine board.
Yes
Replace main board
(KP-888). See page 5-12.
Replace main board
(KP-888). See page 5-12.
Connect oscilloscope to
pin 4 (OUTPEN) and
pin 8 (PDN) of YC07 on
main board (KP-888).
OK?
Yes
Yes
Turn power switch on.
OK?
End.
End.
Replace engine board
(KP-882). See page 5-11.
B
C
Continued
to next page.
Continued
to next page.
*: Pin photo diode
detect horizontal
synchronization signal
(Frequency: 1417 Hz,
Low level width: 10
µ
s)
Printer indicators
(3) 4200 - Laser scanner unit [Pin photo diode] error
Summary of Contents for Ecosys FS-1010
Page 1: ...SERVICE MANUAL Published in Dec 01 Laser printer...
Page 2: ...Version Replaced pages Remarks Date 1 0 Revision history 5 Dec 2001...
Page 9: ...Chapter 1 P r o d u c t I n f o r m a t i o n...
Page 24: ...Chapter 2 Installation Operation...
Page 40: ...Chapter 3 Maintenance Adjustments...
Page 52: ...Chapter 4 O p e r a t i o n O v e r v i e w...
Page 81: ...Chapter 5 D i s a s s e m b l y...
Page 111: ...FS 1010 5 31 8 Remove the eraser lamp 9 9 5 2 28 Removing the eraser lamp...
Page 113: ...Chapter 6 T r o u b l e s h o o t i n g...
Page 144: ...Appendix A D i a g r a m s...
Page 153: ...Appendix B S t a t u s P a g e...
Page 160: ...Appendix C I n t e r f a c e...
