Epson DFX 8500 Service Manual page 169

TROUBLESHOOTlNG
5.1 TROUBLESHOOTING INFORMATION
The information in this chapter makes troubleshooting easier to perform by listing various problems that can
occur and providing possible solutions.
Note: For this printer no special took are necessa~ for troubleshooting to the unit level, with the
exception of a digital multi-meter.
oscilloscope.
Some component-level ~roubkshooting may require an
5.1 .l Error Messages
The DFX-8500 indicates errors using beeps. Table 5-1 lists and describes the ermr beep codes.
Table 5-l. Error Codes
r recewes a
(2 sets of 3 beeps
(5 sets of 4 beeps)
e prm er runs 0
printing or paper feeding.
ant. rear, or top PE sensor is
with a pause between
(10 beeps, with a pause between
each beep)
. II ff ff ff If *. .f
(8 sets of 2 beeps)
*...ttttt
Head fan circuit short
l
The head fan driier IC is shorted.
Illegal paper memory .
10 beeps) setting
Incorrect paper is loaded in printer.
X....l..
Micro
(co"ti"uous beeps),
adjustment . MICRO FEED button is being pressed
function limit exceeded
continuously.
..f **. ff.
Platen gap adjustment
l
The PG home sensor is broken.
(3 sets of 3 beeps) trouble
l
The PG motor is broken.
. The parallelism adjustment is incorrect.
Note: * indicates a 0.1 second interval.
* * indicates a 0.3 second inkrva~.
Rev.
A
S-1