Interleaf EP5000/EP4000 SWITCHES ON PWBs, TECH. REP. SETTINGS
97.04.01
S-33
Tech. Rep. Mode
"
I/O Check
Touch Panel
Display
Operation
Memory Check
Touching the Memory Check key causes the copier to automatically check the
ROM/RAM on MSC Board PWB-B.
Result
Display
Action
Normal
“Memory check completed.
Turn the main switch OFF, and
then ON.”
Turn OFF, then ON, the
Power Switch.
Faulty
“ROM ERROR”
Change PWB-B (IC2B)
“MESSAGE
ROM ERROR”
Change PWB-B (IC2B)
“RAM ERROR”
Change PWB-B.
“VRAM ERROR”
Change PWB-B.
“LCDTC ERROR”
Change PWB-B.
Controller Board
Check
Touching the Controller Board Check key causes the copier to perform a self-
diagnostics of Master Board PWB-A.
Result
Display
Action
Normal
The highlighted “Controller
Board Check” key is returned
to normal display.
None
Faulty
The malfunction code appears.
Change PWB-A.
Panel Indication
Check
Checks the LEDs and Touch Panel on the control panel for correct operation.
<Procedure>
1. Touch the Panel Indication Check key.
2. All LEDs light up and then each LED goes out in the following order. When all
LEDs go out, they all light up again and the above sequence is repeated. (The
LEDs should alternately light up and go out in said manner.)
All ON
Mode Check
key
Interrupt key
Energy Saver
key
Start key (green)
Start key (orange)
3. A checkered pattern appears on the Touch Panel.
4. Select an individual grid. The grid should switch from white to black, or vice
versa, when it is selected. If it works that way, the corresponding liquid crystal
is considered to be operational.
5. Press the Panel Reset key to complete the procedure.
