Chapter 4 Testing > Test Menu
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4.1 Test Menu
Item Purpose Overview Ref.
Check Pattern • --- • Prints nine different check patterns. P. 153
Sensor • If a sensor abnormality is
detected
• Periodic check item
• This is used to check the status of
each sensor.
P. 154
CHECK
MEMORY
• If a memory abnormality is
detected
• CHECK: SDRAM: SDRAM (PRAM)
read/write check
Data error: [SDRAM D:xxxxxxxx] is
displayed.
Address error: [SDRAM A:xxxxxxxx] is
displayed.
• CHECK: F-ROM: F-ROM hash check
Checksum error: [F-ROM SUM
ERROR] is displayed.
• CHECK: SDRAM32MB: SDRAM read/
write check
Data error: [S-RAM D:xxxxxxxx] is
displayed.
Address error: [S-RAM A:xxxxxxxx] is
displayed.
• CHECK: HEAD: Head memory read/
write check
• If a data mismatch occurs, processing
is terminated, and the memory address
and data read or written when the error
occurred are displayed.
-
KEYBOARD
TEST
• If an abnormality is detected
in an operation panel key
• Press an operation key to display the
key name.
No operation: "NONE" is displayed
: The buzzer rings
-
LCD • If an abnormality is detected
in the LCD display
• Check for missing dots.
Changes in the sequence White >
Black > Red > Green > Blue.
-
Check Temp. • To check the temperature of
components using
temperature monitoring
• The temperature becomes negative if
there are broken cables or faulty
connections.
• Room Air: Temperature of the color
LCD PCB
• HEAD1 THERM: Head 1 thermistor
(inside the head)
• HEAD1 DEV B: Head 1 thermistor
(lower rear side of the head)
• HEAD1 DEV A: Head 1 thermistor
(lower front side of the head)
• HEAD2 THERM: Head 2 thermistor
(inside the head)
• HEAD2 DEV B: Head 2 thermistor
(lower rear side of the head)
• HEAD2 DEV A: Head 2 thermistor
(lower front side of the head)
• HEAD1: Head heater 1
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