Mitsubishi Electric CP-D70DW, Service Manual

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ADJUSTMENT ITEM LIST
SERVICE APPLICATION
When you replace parts in CP-D70D series or CP-D707D series, adjust the following items.
: Adjustment is required.
: Copy of the adjustment values from old head to the new head is necessary.
Each adjustment value is stored to the EEPROM in the head.
When you replace the head, read the adjustment values stored in the old head before the replacement. And then, write the
values read from the old head into the newly replaced head.
It is not necessary to readjust the adjustment values marked with “ ”. For these values, copy the adjustment values from
the old head to the new one as described above.
However, when the adjustment values cannot be read because of the EEPROM failure or other failures, readjustment is
necessary.
Procedure for replacing the head
(1) Print the head pattern before replacing the head.
(2) Read all the data using the EEPROM read/write menu in the service application.
(3) Replace the head.
(4) Write the data read in step (2) into the newly attached head using the EEPROM read/write menu in the service
application.
(5) Print the head pattern after replacing the head.
(6) Adjust the density according to the density adjustment menu in the service application.
Available functions of the service application (adjustment/check items)
● 24V adjustment
● Density adjustment
● Adjustment of M1 motor current
● Adjustment of M3 motor Duty
● Adjustment of Ink-black mark sensor
● Adjustment of vertical print position
● Adjustment of horizontal print position
● Adjustment of post card black mark sensor
● Reading/Writing adjustment values
● EEPROM Reading/Writing
● Sensor check
● Testing the motor alone
● Feed & Cut
● Test printing
● Head Cleaning
*Refer to the service application manual for details.
replace parts
adjustment items
24V
adjustment
Density
adjustment
Adjustment
of M1 motor
current
Adjustment
of M3 motor
Duty
Adjustment of
Ink-black mark
sensor
Adjustment of
vertical print
position
Adjustment of
horizontal print
position
Adjustment of
post card black
mark sensor
PCB-POWER
head
PCB-DRIVE not necessary to adjust
sensor (S1)
sensor (S7)
sensor
(S15 and S16)
PCB-DIGITAL
M1 motor
M3 motor