Detail In E602 - Canon iR7086 Series Service Manual

Code Description
*: model equipped with DADF-Q1 (outside Japan, iR7105/7095; inside Japan: iR7105/7095/7086).
**: model equipped with DADF-M1 (outside Japan: iR7086).
0001 The version of the language file on the HDD and that of bootable do not
match.
0002 The language file on the HDD is too large.
0003 There is no language to which a switchover is made as described in the Config
file on the
HDD.
0004 An attempt to switch over to the language described in the Config file on the
HDD fails.
1000 The connected boot ROM is not one designed for the model in question.
2000 An illegal engine ID has been detected.
E746 An unsupported optional board has been detected.
0003 The option board that has been detected is one deigned for a different model. Replace it with one for the model in question.
E748 Main controller PCB error
4910 Indicates that a different model of the main controller PCB is detected.
(The main controller PCB differs for 105-sheet model (iR7105) and 95-sheet
model/86-sheet model (iR7095 / iR7086).)
E749 Restart in accordance with a change of the product configuration
0001 A boot ROM designed for a different model has been fitted in place (as when
installing
an PDL option).
E800 The auto power-off circuit has an error.
An open circuit has been detected for 3 sec or more in the auto power-off
circuit.
E804 The rotation of the following is faulty: power supply cooling fan 1, power supply cooling fan
2, controller cooling fan.
0001 The fan stop signal has been detected for 5 sec or more after the power supply
cooling fan 1
has gone on.
0002 The fan stop signal has been detected for 5 sec or more after the power supply
cooling fan 2
has gone on.
0004 The fan stop signal of the controller cooling fan has been detected
continuously for 16 sec.
E805 The fixing heat discharge fan rotation is faulty.
0002 The fan stop signal has been detected for 5 sec or more after the fixing heat
discharge fan
has gone on.
E820 The drum fan rotation is faulty.
0000 The fan stop signal has been detected for 5 sec or more after the drum fan has
gone on.
E823 The pre-transfer charging assembly fan rotation is faulty.
0000 The fan stop signal has been detected for 5 sec or more after the pre-transfer
charging
assembly fan has gone on.
E840 An HP detection error has occurred in relation to the fixing inlet sensor (fixing wrap jam
detection).
0000 The home position is not detected when he sensor is moved up/down (i.e., the
sensor
has not gone on).
0001 The home position is not detected when the sensor is moved up/down (i.e., the
sensor
has not gone off).
E850 There is a fault in the double-feeding detection unit.
0000 The double-feeding sensor (reception) fails to attain an ultrasonic signal of a
specific
level.

16.2.2 Detail in E602

iR7105 / iR7095 / iR7086
<E602-XXYY>
XX= "00"
Remedial action
Update the version of the language file (Language), or install
the appropriate file.
Replace the boot ROM.
Reinstall the system software.
Replace to the appropriate main controller PCB
There is no need for remedial action. Nevertheless, the fact
will remain as part of the
error history.
Turn off and then on the power. Disconnect and then connect
J505 of the DC controller PCB.
Disconnect and then connect J1719 of the relay PCB. Replace
the relay PCB. Replace the
DC controller PCB.
Disconnect and then connect J505 of the DC controller PCB.
Replace the power supply
cooling fan 1. Replace the DC controller PCB.
Disconnect and then connect J505 of the DC controller PCB.
Replace the power supply
cooling fan 2. Replace the DC controller PCB.
Disconnect and then connect J1028 of the main controller
PCB. Replace the controller
cooling fan. Replace the main controller PCB.
Disconnect and then connect J503 of the DC controller PCB.
Replace the fixing heat
discharge fan. Replace the DC controller PCB.
Disconnect and then connect J512 of the DC controller PCB.
Replace the drum fan. Replace the DC controller PCB.
Disconnect and then connect J504 of the DC controller PCB.
Replace the pre-transfer
charging assembly fan. Replace the DC controller PCB.
Disconnect and then connect J508, J552, and J553 of the DC
controller PCB. Disconnect
and then connect J4001 and J4002 of the fixing inlet sensor
ascent/descent motor driver
PCB; as necessary, replace the fixing inlet sensor ascent/
descent motor. Replace the fixing
inlet sensor ascent/descent motor driver PCB.
Remove paper lint form the surface of the double-feeding
sensor (reception). Remount the
double-feeding sensor (transmission, reception). Disconnect
and then connect J509 and
J550 of the DC controller PCB. Replace the double-feeding
sensor (transmission, reception).
Replace the double-feeding sensor PCB (transmission,
reception).
Chapter 16
0011-1102
16-9