Service manual
DFX-5000+
Service Manual
Troubleshooting
5.1 TROUBLESHOOTING INFORMATION
The information in this chapter makes troubleshooting easier to perform by listing various
problems that can occur and
p~oviding
possible solutions.
-
Note:
For this
printer;
no special tools are necessary for troubleshooting to the unit level, with
the exception of a digital
multimeter. Some component-level troubleshooting may
require an oscilloscope.
5.1.1
Error Messages
The
DFX-5000+
indicates errors using beeps. Table 5-1 lists and describes the error beep codes.
Table 5-1. Error Codes
Beeps
Error
Cause
*
(1 beep)
BEL
code
(07H)
D The printer receives a
BEL
command.
***
***
QThe
carriage is locked.
(2 sets of 3 beeps)
Carriage trouble
QThe
isolation resistance in the
carriage motor is too low.
I
I
QTheprinterruns
outofpaperduring
● ☛☛☛ ☛☛☛☛ ☛☛☛☛ ☛☛☛☛ ● ☛☛☛
Paper out or paper
printing or paper feeding.
(5 sets of 4 beeps)
Cl
The printer detects a paper jam.
jam
QThe
front, rear, or top PE
sensor is
broken.
***
QThe
paper is out at power on.
(3 beeps)
Other paper error
Q
The printer backs out paper, but the
previous print job is not tom off.
*****
(5 beeps, with a pause
Abnormal voltage
t3
The voltage of the Cl 17 power
suppl~
between each beep)
board assembly is too low.
**
**
**
**
**
(5
sets of
2 beeps)
Incorrect RAM
Q
Incorrect RAM is detected.
****
(4
beeps)
Cover open
QThe
top cover is open.
**********
(1 O beeps, with a pause
Head driver circuit
QThe
printhead driver
IC
is
shotied.
between each beep)
short
**
*+
** ● * ** ● * **
**
(8 sets of 2 beeps)
Head fan circuit short
CIThe
head fan driver
IC
is shorted.
**********
Illegal paper
memow
g
lncorr~
paper
is
loaded
in printer.
(10 beeps)
setting
Micro adjustment
***********
function limit
QA
MICRO FEED button is being
. . .
(continuous beeps)
exceeded
pressed continuously.
Q
The PG home sensor is broken.
*** ● ** ***
Platen gap
t2The
PG motor is broken.
(3 sets of 3 beeps)
adjustment trouble
Q
The parallelism adjustment is
incorrect.
Note: **
indicates a 0.1 second interval.
*
*
indicates a ().3 second interval.
Rev.
A
5-1