SC-F9200 Series
Revision C
ADJUSTMENT
Overview
273
SE Group Confidential (Related Staff Only)
CR related
CR Scale Check
Check the CR Scale for any abnormality such as
damage or dirt and check if the scale can be
properly read by the encoder.
When the CR Scale is not read properly, the
carriage will not operate normally.
Normal
mode
√
CR Active Damper
Adjustment (Automatic)
Calibrate the active damper.
* Active damper is a function to reduce the
carriage vibration which causes vertical bands on
prints by outputting waveforms which have
phases opposite to the motor vibration.
Because the motor vibration/carriage vibration
cannot be reduced, vertical bands may appear on
prints.
Normal
mode
√
CR Motor Measurement
& Automatic Adjustment
The CR Motor is designed to stop when the
amount of heat generation (motor temperature)
during motor operation reaches a predetermined
limit. The amount of heat generation is estimated
based on the electrical characteristics of the
motor, which vary by motor and power supply of
the printer. Therefore, to get the motor control to
work properly, the electrical characteristics
values of the motor need to be measured and
stored in the memory on the Main Board.
If this adjustment is not made, the estimation of
the motor temperature cannot be made properly
and may cause the following symptoms.
Even though there is no problem with the
motor temperature, the printer pauses during
printing because it judges that the motor is in
high-temperature state.
Despite the motor is in a high-temperature
state, a lower motor temperature is estimated
and the printer does not stop. This may cause
the printer to malfunction.
Normal
mode
√
PG adjustment
Adjust the platen gap of the CR Unit using the
thickness gauge.
When the PG is out of standards, the following
symptoms may occur.
Gap is too wide:
Unstable ink droplet paths or misaligned dots
occur, and it causes low printing quality such
as banding, printing misalignment, or grainy
image.
Gap is too narrow:
The head rubs paper.
Normal
mode
---
Thickness
gauge
Table 4-2. Adjustment Items
Class
Adjustment Items
Overview
Symptoms that the Adjustment is Needed
Printer Mode
Service
Program
Jig
Media
Page
Содержание SC-F9200 series
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Страница 76: ...SE Group Confidential Related Staff Only C H A P T E R 3 DISASSEMBLY ASSEMBLY ...
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Страница 365: ...SE Group Confidential Related Staff Only C H A P T E R 5 MAINTENANCE ...
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