3NG
1-4-3
1-4-2 Self-diagnostic function
(1) Self-diagnostic function
This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print-
ing and display an error message on the operation panel. An error message consists of a message prompting
a contact to service personnel and a four-digit error code indicating the type of the error.
Figure 1-4-3
(2) Self diagnostic codes
If the part causing the problem was not supplied, use the unit including the part for replacement.
Code
Contents
Causes
Check procedures/
corrective measures
1050
SD lift motor error
After cassette 5 is inserted, SD
lift sensor does not turn on
within 30 s.
The lock signal of the motor is
detected continuously for 200
ms.
Defective con-
nector cable or
poor contact in
the connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
SD lift motor and SD main PWB (YC8)
Defective drive
transmission sys-
tem of motor.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for bro-
ken gears and replace if any.
Defective SD lift
motor.
Replace the SD lift motor.
Defective SD
main PWB.
Replace the SD main PWB and check for cor-
rect operation (see 1-5-6).
Machine failure.
Call service.
C####
Error occurred.
Turn the main power
switch off and on.
C####
Summary of Contents for Utax PF 770
Page 1: ...Service Manual 3DSHU HHGHU 3 5HY Date 0 20 1 60 ...
Page 2: ...Service Manual 3DSHU HHGHU 3 5HY Date 0 20 1 60 ...
Page 4: ...Revision history Revision Date Replaced pages Remarks 1 6 April 2011 CONTENTS 2 4 1 to 2 4 3 ...
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Page 16: ...3NG 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path ...
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