Canon iR4570 Series Service Manual page 767

Code Cause
0000 [Cause] A check error has occurred on
the backup SRAM board.
[Location] bottom ROM
[Timing of Detection] once when the
boot ROM is started up
0001 An error has occurred at power-on.
0002 An error has occurred during a write
operation.
0003 An error has occurred during a read
operation following a write operation.
E261 The zero-cross signal is faulty.
0000 When the relay is on, the zero-cross
signal is not detected for 500 msec or
more.
E315 There is an error in image data.
0007 There is an error in JBIG encoding.
000d There is an error in JBIG decoding.
E602 There is an error on the hard disk.
0001 [Cause] An HDD detection error has
occurred. The HDD cannot be detected.
The HDD does not become ready. The
HDD returns an error.
[Detection] while boot ROM is in session
BARSAC startup, mounting
(usrIde)
[Timing of Detection] once at startup
0002 [Cause] There is no startup file. The
program for the main CPU does not exist
on the HDD or in BOOTDEV/BOOT,
and so on.
[Detection] while boot ROM is in use
at time of system file loading (usrIde)
[Timing of Detection] once at startup
Remedy
1. Check the presence/absence of a backup
SRAM PCB.
2. Disconnect and then connect the backup
SRAM PCB.
3. Replace the backup SRAM PCB with a
new one.
Replace the reader controller PCB.
Replace the reader controller PCB.
Replace the reader controller PCB.
Replace the AC driver PCB. Replace the DC
controller PCB.
Turn off and then back on the power.
Turn off and then back on the power.
See the details under 602.
See the details under 602.