Brother International DCP1000 Service Manual - Page 128

Maintenance

Page 128 highlights

Code 3 C2 C3 C4 C5 C7 DO D1 D2 D3 D4 D5 D6 D8 DA DB E2 E3 E4 FE FF 71 Causes S-sequence finished before prediction in phase 3. Timeout waiting for S-Sbar in phase 3. Timeout waiting for S-Sbar in phase 3. Timeout waiting for S in phase 3. Training after TRN failure. Problem with S-sequence in phase 4. FED turned off in S-sequence in phase 4. S-sequence finished before prediction in phase 4. Timeout waiting for S-Sbar in phase 4. Timeout waiting for S-Sbar in phase 4. Timeout waiting for S in phase 4. Timeout waiting for MP. Timeout waiting for E. Timed out in re-negotiation of the transmitter rate. Timed out in the transmitter MPh. Retraining detected in phase 2. Retraining detected in phase 3. Retraining detected in phase 4. DTR turned off during retraining. Tx set-abort flag. Did not write onto the first mapping frame. (13) Maintenance mode Code 1 EO EO EO Code 2 01 02 03 Causes Failed to detect 1300 Hz signal in burn-in operation. Failed to detect PB signals in burn-in operation. Failed to detect commands from the RS-232C in burn-in operation. 6-14

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Code
3
Causes
C2
S
-sequence
finished
before
prediction
in
phase
3.
C3
Timeout
waiting
for
S-Sbar
in
phase
3.
C4
Timeout
waiting
for
S-Sbar
in
phase
3.
C5
Timeout
waiting
for
S
in
phase
3.
C7
Training
after
TRN
failure.
DO
Problem
with
S
-sequence
in
phase
4.
D1
FED
turned
off
in
S
-sequence
in
phase
4.
D2
S
-sequence
finished
before
prediction
in
phase
4.
D3
Timeout
waiting
for
S-Sbar
in
phase
4.
D4
Timeout
waiting
for
S-Sbar
in
phase
4.
D5
Timeout
waiting
for
S
in
phase
4.
D6
Timeout
waiting
for
MP.
D8
Timeout
waiting
for
E.
DA
Timed
out
in
re
-negotiation
of
the
transmitter
rate.
DB
Timed
out
in
the
transmitter
MPh.
E2
Retraining
detected
in
phase
2.
E3
Retraining
detected
in
phase
3.
E4
Retraining
detected
in
phase
4.
FE
DTR
turned
off
during
retraining.
FF
Tx
set
-abort
fl
ag.
71
Did
not
write
onto
the
first
mapping
frame.
(13)
Maintenance
mode
Code
1
Code
2
Causes
EO
01
Failed
to
detect
1300
Hz
signal
in
burn
-in
operation.
EO
02
Failed
to
detect
PB
signals
in
burn
-in
operation.
EO
03
Failed
to
detect
commands
from
the
RS
-232C
in
burn
-in
operation.
6-14