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23. IC protector
Field Service Ver. 2.0 Jul. 2009
916
TROUBLESHOOTING
23.2.11
SD-509
A. SD drive board
F29
PS1
Paper passage sensor/1
JAM
PS2
Paper passage sensor/2
PS10
Registration sensor
PS30
Punch hole full sensor
F30
PS9
Lower path sensor
JAM
PS16
Tray2 paper detection sensor
ICP
Symbol
Symbol
Relevant parts
When ICP trips
Symptom in each load
Trouble code
and others
ICP
Symbol
Symbol
Relevant parts
When ICP trips
Symptom in each load
Trouble code
and others
F1
PS43 Paper detection sensor/1
Saddle section JAM
PS44 Paper detection sensor/2
F2
24V to 5V DC to DC converter
No operation (Due to no power sup-
ply to CPU, SD connection is not
detected)
F3
M24
Center staple alignment motor/F Center-staple front adjust drive motor
malfunction
C-1114
F4
M23
Center staple alignment motor/R Center-staple rear adjust drive motor
malfunction
C-1150
F5
M20
Leading edge stopper motor
Center-staple lead edge stopper
motor malfunction
C-1113
F7
M26
Center fold plate motor
Center-staple knife drive motor mal-
function
C-1115
F8
Saddle stapler
Saddle stapler drive failure
C-11B5
F9
SD3
Leading edge grip solenoid
Misalignment, misalignment of
sheets in a copy set, and misaligned
saddle stitch and fold positions
F10
Stapler home sensor
Center-stapler drive failure or staple
empty indication
C-11B5
Staple empty sensor 1
Staple empty sensor 2
F11
M25
Center fold roller motor
Center-staple transfer motor mal-
function
C-1116
F12
M25
Center fold roller motor
Center-staple transfer motor mal-
function
C-1116
F13
M21
Upper paddle motor
Center-staple paddle roller motor
malfunction (trailing edge)
C-1156
F14
M22
Lower paddle motor
Center-staple paddle roller motor
malfunction (Leading edge)
C-1158
Service Manual Y110571-1
Summary of Contents for d-color MF651
Page 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Page 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...