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PRINTER ENGINE SERVICE MODE
Menu Level
Level 1
Level 2
Q:
Memory
all clr
R:
Free run
S:
Input
check
T:
Output
check
U:
Fusing err
clr
V:
Test
Pattern
W:
EngFirm
ver up
X:
LoopBack
test
Description
Memory All
Resets all software counters
Clear
and returns all modes and
adjustments to the default
settings.
However, the following items
are not reset.
• Total counter
• PCU counter
• Fusing counter
• Engine serial number
Important: Turn the main
switch off/on after the reset.
This mode should be used
only when the EEPROM on
the engine board is replaced.
Free Run
Performs a free run of the
machine.
Press [Enter] to start.
Press [Enter] to stop.
Please note that the machine
will not stop immediately after
the [Enter] key is pressed.
Input Check
Displays signals received from
sensors and switches.
See the "Input Check" section
for details.
Output Check
Turns on electrical
components individually for
test purposes.
See the "Output Check"
section for details.
SC Code
Resets the service call (fusing
Reset
error) conditions.
After performing this SP mode,
turn the main switch off and
on.
Test Pattern
Prints a test pattern. This
Print
machine could print only the
grid test pattern.
Engine Board
Downloads the system
Firmware
program from an IC flash
memory card to the flash
Update
memory on the engine board.
Refer to the "Program
Download" section for details.
Loop-back test
Internal loop-back test.
Designer use only.
4-14
Function
1 October, 1999
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