Canon imageRUNNER 2270 Service Manual page 617

Code Cause
0003 At the end of a job, the 24-V port is
off.
0004 When a load is being driven, the 24-
V port is off.
E248 The backup memory is faulty.
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.
Remedy
Disconnect and then connect the power
supply harness connector. Replace the
power supply.
Disconnect and then connect the power
supply harness. Replace the power
supply.
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.
Chapter 15
15-11