Canon imageRUNNER 7095 Service Manual page 444

Chapter 16
Code Description
*: model equipped with DADF-Q1 (outside Japan, iR7105/7095; inside Japan: iR7105/7095/7086).
**: model equipped with DADF-M1 (outside Japan: iR7086).
0000 While the belt motor drive signal is on, no lock signal
occurs for 100 msec.
E404 * The ADF delivery motor rotation is faulty.
0000 When the delivery motor drive signal is on, no clock
signal occurs for 200 msec.
E405 * The ADF separation motor rotation is faulty.
0000 When the separation motor drive signal is on, no clock
signal occurs for 200 msec.
E410 * The ADF pickup motor rotation is faulty.
0000 No signal occurs from the following sensors within 2
sec after the pickup motor is driven:
- pickup roller height sensor 1 (PI8), pickup roller
height sensor 2 (PI9)
- pickup roller HP sensor (PI7)
E413 ** The ADF shift motor rotation is faulty.
0001 The shift motor HP sensor is open.
0002 Shift motor HP sensor is closed.
E420 * An ADF EEPROM read error has occurred.
0000 At power-on, an attempt to read the EEPROM backup
data fails. Or, data that has been
read has a fault.
E490 The ADF is of the wrong type.
0001 The ADF is of the wrong type.
E602 The HDD has an error.
E604 The time memory (DDR-SDRAM) is faulty or inadequate.
0000 A DDR-SDRAM (1 GB) of adequate capacity is not
detected.
E609 The HDD temperature is abnormally low.
0008 At start-up, the HDD does not reach a specific
temperature within a specific time.
0009 When returning from sleep mode, the HDD does not
reach a specific temperature within a
specific time.
E610 The HDD encryption key is faulty.
0001 The memory is missing.
0002 The memory is inadequate.
0101 An attempt to initialize the key storage area of the
memory has failed.
16-10
Remedial action
Disconnect and then connect the cable
between the belt motor driver PCB and the
ADF
controller PCB. Replace the belt motor
clock sensor. Replace the belt motor clock
sensor.
Replace the belt motor. Replace the belt
motor driver PCB. Replace the ADF
controller PCB.
Replace the delivery motor. Replace the
delivery motor clock sensor. Replace the
ADF
controller PCB.
Replace the separation motor. Replace the
separation motor clock sensor. Replace the
ADF
controller PCB.
Replace the pickup motor. Replace the
pickup roller height sensor (PI8). Replace
the pickup
roller height sensor 2 (PI9). Replace the
pickup roller HP sensor (PI7). Replace the
ADF
controller PCB.
Disconnect and then connect the
connector. Replace the shift motor HP
sensor. Replace the
shift motor.
Replace the ADF controller PCB.
Replace the ADF.
See the description under E602.
Replace the DDR-SDRAM.
Replace the HDD.
Install the security board.
Replace the DDR-SDRAM with one for
the model in question (1 GB).
Turn off and then on the power. Replace
the main controller PCB.