
4-9
Summary of product
Service Manual
4.3 Main PBA
The Engine Board and Controller Board have been integrated into a single PBA. This consists of the CPU, printer
scanner and line control functions. The CPU functions as the bus controller, I/O handler, motor driver and PC inter-face.
The main board sends the Current Image Video data to the LSU and manages the Electrophotographic printing
process. Circuits on the PBA drive include the main motor (paper feed, cartridge, fuser), clutch driver, pre-transfer
lamp driver, heat-lamp driver, CIS driver, scan motor driver and fan driver.
The signals from the paper feed jam sensor and paper empty sensor are inputted to the main board from
the power supply PBA.
REGULA
T
O
R
(1.8V) (U2)
REGULA
T
O
R
(3.3V) (U3)
MOT
OR
DRIVER (U15)
EMI A
TTENUA
T
OR
(U13)
CR
YST
AL
(OSC2)
COMP
ARA
T
O
R
(U16)
GRAPHIC
PROCESSOR
ASIC (U5)
TRANSCEIVER
(U9)
SDRAM
(U7)
FLASH
MEMOR
Y
(U69)
SUPER 1284
(U1
1)
Содержание WorkCentre PE114e
Страница 2: ...Service Manual...
Страница 8: ...1 6 Precautions Service Manual MEMO...
Страница 14: ...2 6 Reference Information Service Manual 2 4 2 A4 2 Pattern...
Страница 15: ...2 7 Reference Information Service Manual 2 4 3 A4 IDC 5 Patten...
Страница 16: ...2 8 Reference Information Service Manual MEMO...
Страница 22: ...3 6 Specifications Service Manual MEMO...
Страница 24: ...4 2 Summary of Product Service Manual 4 1 2 Rear View...
Страница 25: ...4 3 Summary of product Service Manual 4 1 3 Control Panel...
Страница 26: ...4 4 Summary of Product Service Manual 4 2 System Layout SCAN PART...
Страница 40: ...4 18 Summary of Product Service Manual MEMO...
Страница 58: ...5 18 Disassembly and Reassembly Service Manual MEMO...
Страница 94: ...Service Manual MEMO Troubleshooting 7 28...
Страница 106: ...8 12 Exploded View Parts List Service Manual 8 5 Middle Cover Unit Assembly 0 5 2 3 4 7 13 9 8 10 11 12 1 5 6...
Страница 111: ...9 9 9 1 Block Diagram Service Manual 9 Block Diagram...
Страница 112: ...9 2 Block Diagram Service Manual MEMO...
Страница 114: ......