Epson Aculaser 2600 Series, Service Manual

Page: 131 / 454

EPSON AcuLaser C2600/2600 Revision B
Operating Principle Control 131
2.5.3 Operation Sequence
†
Engine Initialization Sequence (Boot Sequence)
The flowchart shows the predetermined sequence performed by the printer each time it is powered on to be ready for printing in the color mode.
Waits for the
predetermined
processes to end
Error process
Reads and writes
the toner cartridge
information
Process
initialization Measures
the Vsync period
Waits for
the fuser unit
to be ready
Error
Error
Error
Error
Error Error
Error
When the photoconductor unit is a new one
The Vsync measurement is required
when satisfying all of the following conditions:
ƒ
The print m ode is Color
ƒ
K toner life is not the end.
ƒ
The Vsync period flag is "True."
1) Adjusts the position of the cleaner for the transfer belt.
2) Runs a cleaning cycle for the transfer belt and adjusts its position.
3) Runs a cleaning cycle for the 2nd BTR and adjusts its position.
4) Adjusts the position of the rotary.
5) Adjusts the position of the MP Lift Plate.
6) Check the installation status of the toner cartridges.
Until the fuser unit
temperature reaches
the specified temperature.
When the photoconductor unit
is not a new one
When the Vsync period
needs to be measured When the Vsync period
needs to be measured
End of the process control
and
The fuser unit is ready
When the Vsync period
does not need to be measured When the Vsync period
does not need to be measured
Standby state
Photoconductor
initialization
Process control
Power ON
Measures the Vsync period
for registration control
When this process was interrupted
at the previous power-on, the rewrite
process is performed.
1) Checks the installation status of the toner cartridges
2) Supplies toner to the photoconductor cleaning section
3) Adjusts the position of the cleaner for the transfer belt
4) Runs a cleaning cycle for the transfer belt and adjusts its position.
5) Runs a cleaning cycle for the 2nd BTR and adjusts its position.
6) Adjusts the position of the rotary.
7) Adjusts the position of the MP Lift Plate.
Performs the CPU initialization and power supply check
1) Charge / development voltage control
2) Exposure power determination control
3) Gradation correction control
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