Canon imagePRESS C1 Service Manual - page 555
Manual is about: imagePRESS C1 Series
of
1265
Chapter 9
9-18
Error code:
E842 (External heat roller detached/attached error)
0001 In the case that the HP sensor fails to detect within 5 sec after detecting the home position.
0009 Indicates that a hardware detecting mechanism has detected that the external heat roller has remained in contact with the fixing roller for 300sec or more.
0011 In the case that the HP sensor is logically misplaced when executing operation.
0101 When completing the operation, it's not located at the specified position.