Epson AcuLaser C1100 Service Manual page 108

EPSON AcuLaser C1100
PWBA ESS (Printer controller)
PWBA ESS converts the print data is input via the network, USB, parallel ports, or
other interfaces, and performs communications with the computer. The memory
can be expanded up to 256 MB with an additional memory (option).
OP PANEL
OP PANEL displays the printer status on the LCD or by LEDs. Printer operations
are performed by the buttons on OP PANEL.
SWITCH-FUSER DOOR
SWITCH-FUSER DOOR detects whether the COVER FUSER is opened or
closed.
SWITCH-PH DOOR
SWITCH-PH DOOR detects whether the CHUTE ASSY REAR is opened or
closed.
PWBA CRUM
This non-volatile memory saves printer information. (Non-Volatile Memory)
SWITCH 2BTR COVER
SWITCH 2BTR COVER detects whether the COVER-PR 2ND is opened or
closed.
SWITCH ASSY TOP
SWITCH ASSY TOP is a switch to cut the +24VDC power supply for driving
motors and other parts when the COVER TOP is opened. Detection of opening/
closing is performed by detecting a change in voltage caused +24 VDC being
conversed to +3.3 VDD by the +24 VDC dividing circuit in MCU.
SWITCH-INLK FUSER
SWITCH-INLK FUSER is a switch to cut the +24VDC power supply for driving
motors and other parts when the COVER FUSER is opened.
SWITCH-INLK FRONT
SWITCH-INLK FRONT is a switch to cut the +24VDC power supply for driving
motors and other parts when the COVER FRONT ASSY U is opened.
SWITCH-FRONT DOOR
SWITCH-FRONT DOOR detects whether the COVER FRONT ASSY is opened
or closed.
FUSER LOCK SWITCH
This printer is equipped with a FUSER LOCK SWITCH for detecting the
mounting state of the FUSER ASSY. When the FUSER ASSY is not locked or not
adequately locked by the latch lever, the FUSER LOCK SWITCH cuts the coil
power supply for the Fuser Lamp power supply relay inside PWBA FUSER
CONT. This causes the printer a service call error "E537 FUSER ASSY error" to
prevent the printer from operating.
OPERATING PRINCIPLES
LATCH LEVER
Figure 2-52. FUSER LOCK SWITCH
Electrical
FUSER ASSY
FUSER LOCK SWITCH
Leg_Sec06_072EB
Revision B
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