Canon imageRUNNER 7095 Service Manual page 443

Code Description
*: model equipped with DADF-Q1 (outside Japan, iR7105/7095; inside Japan: iR7105/7095/7086).
**: model equipped with DADF-M1 (outside Japan: iR7086).
E227 The reader unit power supply (24 V) has a fault.
0001 At power-on, the 24V port is off.
0002 At the start of a job, the 24V port is off.
0003 At the end of a job, the 24V port is off.
0004 While a load is driven, the 24V port is off.
E240 ** A fault exists in the communication between the main controller and the DC controller.
0000 A fault has occurred in the communication between
the CPUs of the main controller and the
DC controller.
E248 A fault exists in the following: main controller SRAM, reader controller EEPROM.
0000 At start-up, an SRAM check error has occurred.
0001 An error has occurred at time of power-on
(EEPROM).
0002 An error has occurred during write operation
(EEPROM).
0003 A read error has occurred after write operation
(EEPROM).
E251 The inverter cooling fan rotation is faulty.
0000 After the inverter cooling fan has gone on, the fan stop
signal is detected for 5 sec or more.
E302 Shading operation is faulty.
0000 In the course of shading operation, the processing
doses not end within the reader
controller.
E315 The image data codec has a fault.
0007 A JBIG encoder error has occurred.
000d A JBIG decoding error has occurred.
000e An error has occurred in the course of software
decoding.
0100 An overrun error has occurred.
0200 the open I/F relay PCB has detected an error (no
recovery after a retry).
0300 Cubic time-out
0400 Shift Device A time-out
0401 Shift Device B time-out
E351 An error has occurred in the main controller communication.
0000 At start-up, a main controller communication error has
occurred.
E400 ** An ADF communication error has occurred.
0001 A check sum error has occurred.
0002 A reception status error has occurred.
0003 A reception interrupt error has occurred.
E402 * The ADF belt motor rotation is faulty.
Remedial action
Disconnect and then connect the reader
power supply connector. Replace the
power supply.
Disconnect and then connect the
connector. Replace the DC controller PCB.
Replace the
main controller PCB.
Replace the main controller PCB.
Replace the reader controller PCB.
Disconnect and then connect J1110 of the
reader controller PCB. Replace the inverter
cooling
fan. Replace the reader controller PCB.
Disconnect and then
connect J1107 and J1108 of the reader
controller PCB. Replace
the reader controller PCB.
Replace the main controller PCB.
Replace the DDR-SDRAM. Replace the
HDD. Replace the main controller PCB.
Replace the main controller PCB.
Replace the open I/F relay PCB (relay PCB
between the main controller and PS
controller).
Turn off and then back on he power.
Replace the main controller PCB.
Replace the main controller PCB.
Disconnect and then connect the
connector. Replace the reader controller
PCB. Replace the
ADF controller PCB.
Chapter 16
16-9