General Timing Chart - Canon C2050 Service Handbook

1 General Timing Chart

Conditions: book mode, non-AE, full color, cassette 1; A4, single-sided (2 prints, continuous)
Scanning lamp (FL1)
CW CCW
Scanner motor (M5)
Scanner HP sensor
(PS1)
Shading correction
Fluorescent heater (H5)
Scanning lamp pre-heating 2.9V
voltage
Main power switch ON
Fixing main heater (H1)
Fixing sub heater (H2)
Pickup main motor (M2)
Delivery main motor (M16)
Pickup solenoid (SL1)
Pickup motor (M1)
Cassette 1 pickup
sensor (S1)
Pickup clutch (CL1)
Vertical path sensor (S11)
Vertical path clutch (CL2)
Pre-registration senor (S12)
Registration clutch (CL4)
Transfer belt drive motor
(M15)
Transfer swing clutch
(CL23)
Feed auxiliary roller bias
Drum motor Y (M3)
Drum motor M (M4)
Drum motor C (M5)
Drum motor Bk (M6)
Injection cylinder clutch
Y (CL6)
Injection cylinder clutch
M (CL8)
Injection cylinder clutch
C (CL10)
Injection cylinder clutch
Bk (CL12)
Injection charging AC-Y
Injection charging AC-M
Injection charging AC-C
Injection charging AC-Bk
Injection charging DC-Y
Injection charging DC-M
Injection charging DC-C
Injection charging DC-Bk
Exposure LED-Y
Exposure LED-M
Exposure LED-C
Exposure LED-Bk
Developing cylinder
clutch Y (CL5)
Developing cylinder
clutch M (CL7)
Developing cylinder
clutch C (CL9)
Developing cylinder
clutch Bk (CL11)
Developing bias AC-Y
Developing bias AC-M
Developing bias AC-C
Developing bias AC-Bk
Developing bias DC-Y
Developing bias DC-M
Developing bias DC-C
Developing bias DC-Bk
Transfer charging-Y
Transfer charging-M
Transfer charging-C
Transfer charging-Bk
Auxiliary charging brush-Y
Auxiliary charging brush-M
Auxiliary charging brush-C
Auxiliary charging brush-Bk
Separation charging
Fixing assembly inlet
sensor (S25)
Internal delivery sensor
(S27)
Delivery flapper solenoid
(SL5)
External delivery sensor
(S28)
Reversing assembly CW
clutch (CL18)
Reversing assembly
CCW clutch (CL17)
Reversing assembly double-
speed clutch (CL15)
Delivery vertical path
sensor (S29)
Duplex double-speed
feeding clutch (CL20)
Duplex unit inlet sensor
(S30)
Re-pickup sensor (S31)
Re-pickup clutch (CL21)
Duplex normal speed
feed clutch (CL19)
AP-IP PCB
70˚C Gain adjust end
WMUP
Pre-activation
4.35V Controlled to 3 V (approx.)
WMUP
2min
Start key ON
RSTBY RINTR SCFW
Controlled to 70˚C
2.9V 4.35V
Controlled to 3 V (approx.)
190˚C
PSTBY PINTR
Controlled to 190˚C Controlled to 180˚C
1.0sec
SCRV RSTBY
Main power
switch OFF
PRINT LSTR PSTBY
APPENDIX
A-1R