Canon CiRC2550, Service Manual, Page: 580 / 774

Chapter 16
16-7
**** 8001 The HP sensor fails to be OFF after the end assist motor rotates for a specific
period of time.
Replace the end assist HP sensor (PI39) , Replace the end assist
motor (M39)
**** 8002 The HP sensor fails to be ON after the end assist motor rotates for a specific
period of time.
E519 **** Gear change motor error
8001 The HP sensor fails to be OFF after the gear change motor rotates for a specific
period of time.
Replace the gear change HP sensor (PI49) , Replace the gear
change motor (M40)
8002 The HP sensor fails to be ON after the gear change motor rotates for a specific
period of time.
E530 *** Rear alignment error / **** Front alignment error
*** 8001 The HP sensor fails to be ON within 2000ms after the rear adjuster plate starts
to move to its HP.
Replace the rear adjuster plate HP sensor (SR4) , Replace the
rear adjuster plate motor (M4)
*** 8002 The HP sensor fails to be OFF within 1000ms after the rear adjuster plate starts
to move from its HP.
**** 8001 The HP sensor fails to be OFF after the front jog motor rotates for a specific
period of time.
Replace the front adjuster plate HP sensor (PI36) , Replace the
front adjuster plate motor (M33)
**** 8002 The HP sensor fails to be ON after the front job motor rotates for a specific
period of time.
E531 Staple error
*** 8001 The HP sensor fails to be ON within 500ms after the staple motor starts to drive
in the reverse direction to recover from a staple jam.
Replace the stapling HP sensor (SR18) , Replace the staple
motor (M9)
*** 8002 The HP sensor fails to be OFF within 500ms after the staple motor starts to
drive.
**** 8001 The HP sensor fails to be OFF after the staple motor rotates for a specific
period of time.
Replace the staple HP sensor (PI50) , Replace the staple motor
(M41)
**** 8002 The HP sensor fails to be ON after the staple motor rotates for a specific period
of time.
E532 Staple unit shift error
*** 8001 The HP sensor fails to be ON within 11000ms after the staple unit starts to
move to the stapling HP.
Replace the stapler slide HP sensor (SR6) , Replace the stapler
slide motor (M8)
*** 8002 The HP sensor fails to be OFF within 1000ms after the staple unit starts to
move from its HP.
**** 8001 The HP sensor fails to be OFF after the staple shift motor rotates for a specific
period of time.
Replace the stapler shift HP sensor (PI50) , Replace the stapler
shift motor (M35)
**** 8002 The HP sensor fails to be ON after the stapler shift motor rotates for a specific
period of time.
E535 Swing error
*** 8001 The HP sensor fails to be ON within 2000ms after the swing arm starts to move
to its HP.
Check on operation of the stack delivery motor swing
mechanism, Replace the swing cam HP sensor (SR7) , Replace
the swing cam motor (M5)
*** 8002 The HP sensor fails to be OFF within 1000ms after the swing arm starts to
move from its HP.
**** 8001 The HP sensor fails to be OFF after the swing motor rotates for a specific
period of time.
Replace the swing HP sensor (PI35) , Replace the swing motor
(M36)
**** 8002 The HP sensor fails to be ON after the swing motor rotates for a specific period
of time.
E537 *** Front alignment error / **** Rear alignment error
*** 8001 The HP sensor fails to be ON within 2000ms after the front adjuster plate starts
to move to its HP.
Replace the front adjuster plate HP sensor (SR3) , Replace the
front adjuster plate motor (M3) , Replace the adjuster plate
drive belt
*** 8002 The HP sensor fails to be OFF within 1000ms after the front adjuster plate
starts to move from its HP.
**** 8001 The HP sensor fails to be OFF after the swing motor rotates for a specific
period of time.
Replace the rear adjuster plate HP sensor (PI37) , Replace the
rear adjuster plate motor (M34)
**** 8002 The HP sensor fails to be ON after the swing motor rotates for a specific period
of time.
E540 *** Stack tray up/down error / **** Upper tray up/down error
*** 8002 Paper surface detection fails to end within 1000ms. Replace the stack tray top paper sensor (SR9) , Replace the
stack tray bottom paper sensor (SR10) , Replace the stack tray
upper limit sensor (SR13) , Replace the stack tray lower limit
sensor (SR12) , Replace the stack tray shift motor (M7)
*** 8003 Encoder lock within 200ms fails to reach 10pulse during paper surface
detection.
*** 8004 Outputs of the top paper sensor, bottom paper sensor, tray upper limit sensor,
and tray lower limit sensor have abnormality during paper surface detection.
**** 8001 The upper tray up/down motor clock is abnormal. Replace the shift motor (M37) of the tray 1, Replace the shift
area sensor PCB of the tray 1
**** 8002 Area is abnormal.
**** 8003 The safety switch is activated.
E542 **** Lower tray up/down error
8001 The lower tray up/down motor clock is abnormal. Replace the shift motor (M38) of the tray 2, Replace the shift
area sensor PCB of the tray 2
8002 Area is abnormal.
8003 The safety switch is activated.
E577 *** Paddle error
Code Main Cause/Detail of Detection Countermeasures
***: Finisher-Z1 ****: Finisher-Y1, Saddle Finisher-Y2 *****: Puncher Unit