Table 5-6. The Lcd Displays Cover Open; Table 5-7. The Lcd Displays Paper Out; Table 5-8. The Lcd Displays Illegal Card - Epson H5200 - TM B/W Thermal Line Service Manual

Troubleshooting
Table 5-5. The Printer Does Not Start RAM Check
Cause
The video controller board
dead.
The control panel may be
dead.

Table 5-6. The LCD Displays COVER OPEN

Cause
The interlock switch terminal
connector may be
disconnected.
The interlock switch position
may be incorrect.
The interlock switch may be
dead.
The PWB-E board maybe
dead.

Table 5-7. The LCD Displays PAPER OUT

Cause
The paper empty sensor
flag position may be
incorrect.
The paper empty sensor
may be dead.

Table 5-8. The LCD Displays ILLEGAL CARD

Cause
The installed IC card maybe
illegal. (Check the option
number and Table 1-2.)
The IC card maybe dead. I 2
The Cl 08 MAIN board may be, ~ I —
dead.
5-4
Step Checkpoint
Replace the C108 MAIN
board, does the printer start
1
the RAM check?
2 —
Step Checkpoint
Is interlock switch terminal
connector disconnected?
Does the switch turn on
2
when the case is closed?
Does the switch toggle?
3
(Check with multimeter.)
—
4
Step Checkpoint
Is paper empty sensor flag
1
position OK?
2 —
Step Checkpoint
Can this printer use the
1
inserted IC card?
another, legal IC card?
Finding Solution
Replace the C108
Yes
MAIN board.
Replace the
—
control panel.
Finding Solution
Connect the
terminal connector
Yes
on the interlock
switch.
Reseat the
No
interlock switch.
Replace the
No
interlock switch.
Replace the
Solution
Finding
Reseat the paper
No
empty sensor flag.
Replace the paper
—
empty sensor.
Finding Solution
Replace with a
No
supported IC card.
.
Yes
card.
Replace the Cl 08
—
MAIN board.
Rev. A
— .