Troubleshooting; Troubleshooting Tool; Table 5-2. Extension Cable; Troubleshooting Of Abnormal Operation - Epson EPL-5000 Service Manual

Troubleshooting

5.3 TROUBLESHOOTING TOOL

There is an extension cable provided for this printer to check the waveforms of the video controller
board. You can remove the video controller board (C108 MAIN board) from the board slot and still
check its waveforms by
shows extension cable and connecting points.
Connector
on Video
Controller Board
(Cl 08 MAIN Board)
5.4 TROUBLESHOOTING
This section describes the troubleshooting of abnormal operations and print quality problems.

5.4.1 Troubleshooting of Abnormal Operation

This section describes how to detect malfunctions, how to determine the cause, and what actions to
take for various types of malfunctions. Each paragraph refers you to a detailed troubleshooting
table.

Table 5-3. Symptoms and Reference Table

Symptom
The printer does not operate at all.
RAM check not displayed.
COVER OPEN
PAPER OUT
ILLEGAL CARD
FEED JAM
FEED JAM displayed for the lower
paper cassette.
PAPER JAM
PAPER JAM displayed during
paper feeding.
RESELECT TRAY
RAM ERROR
START UP ERROR
SERVICE REQ.
5-2
the board to

Table 5-2. Extension Cable

Connector on Engine
Controller Board
The heater lamp in fusing unit does not come on,
and so RAM check is not started.
The heater lamp in fusing unit comes on, but
RAM check is not started.
The upper unit is closed, but the LCD still
displays COVER OPEN.
The paper is loaded into the paper tray, but the
LCD displays PAPER OUT.
The LCD displays ILLEGAL CARD.
The LCD displays FEED JAM.
The LCD displays FEED JAM when using the
lower paper cassette.
The LCD displays PAPER JAM at power on.
The LCD displays PAPER JAM during paper
feeding.
The lower cassette is installed, but the LCD
displays RESELECT TRAY.
The LCD displays RAM ERROR.
The LCD displays START UP ERROR at power
I on
The LCD displays SERVICE REQ.
Laser 1000/1500 Service Manual
this cable.
Extension Cable
#F606
Printer Condition
following
Part Code
1015058
Reference
Table
I
5-5
5-6
5-7
5-8
5-9
5-1o
5-11
5-12
5-13
5-14
5-15
5-16
Rev.