Canon iR5870C, iR5870Ci, iR6870C, iR6870Ci General Timing Chart, General Circuit Diagram

General Timing Chart / General
Circuit Diagram

iR C6800 Series

Jan 25 2006

IMPORTANT

　This documentation is published by Canon Inc., Japan, to serve as a source of reference for

work in the field.

　Specifications and other information contained herein may vary slightly from actual machine

values or those found in advertising and other printed matter.

Any questions regarding the information contained herein should be directed to the Copier Service

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　This documentation is intended for all sales areas, and may contain information not applicable

to certain areas.

　Reproduction without permission not allowed.

Use of this manual should be strictly supervised to avoid disclosure of confidential information.

COPYRIGHT 2001 CANON INC.

Printed in Japan

Caution

Use of this manual should be strictly supervised to avoid disclosure of confidential information.

Contents

1 General Timing Chart ............................................................................................................................. 1

Full color................................................................................................................................................ 1

Mono color............................................................................................................................................. 2

2 General Circuit Diagram......................................................................................................................... 5

Signal Names ........................................................................................................................................ 5

General Circuit Diagram...................................................................................................................... 15

1 General Timing Chart

Full color

iR C6800C / iR C6800CN / iR 5800C / iR 5800CN

1

<Conditions>

reading: book, 1 A4 original
printing: A4, plain paper, single-sided, full color, 2 prints

Original exposure

Scanner motor
(M501)

Scanning lamp

Scanner HP sensor
(PS501)

Laser exposure system

Printer unit

Laser scanner
motor(M1)

ITB home
position signal

PVREQ signal

Laser
Drum/ITB motor
(M2)
Pre-exposure

LED (LED1)
Primary charging
bias

Grid bias
Developing

rotary motor (M5)

Image formation system

Stray toner

collection roller bias

Black developing

bias (DC)

Black developing

bias (AC)

Black developing

clutch (CL3)
Color developing
bias (DC)
Color developing
bias (AC)
Color developing
clutch (CL1)

Pre-transfer charging

bias (AC)

Pre-transfer charging

bias (DC)

Primary transfer bias

Secondary transfer
outside roller shift
motor (M20)

Secondary transfer

bias
Secondary transfer
cleaning bias

ITB cleaner shift
motor (M21)
Right deck pickup
motor (M17)

Pickup/feeding system

Deck (right) pickup
solenoid (SL6)
Right deck pickup
sensor (PS33)

Right deck pull-off
motor (M14)

Manual feed pre

-registration motor (M6)

OHP sensor front/

(PS3/29)

rear

Registration motor
(M8)
Fixing main heater
(H1)
Fixing sub heater
(H2)

Fixing system

Shift heater
(H3)

Outside heating
roller heater (H4)

Fixing motor (M4)

Outside heating roller
shift motor (M22)

Fixing inlet sensor
(PS11)

Outside delivery
sensor (PS13)

Start key ON

Start key ON

:forward

STBYSTBY SCFW SCRW

Image formation

ready timing

*1

PRINT

M1 M2 Y1 Y2 C1 C2 Bk1 Bk2

LSTR

PSTBYPSTBY PINTR

:reverse

*2

*2

*1: interval used to stabilize the rotation.
*2: interval during which the main heater and the sub heater are tuned on alternately.

F-1-1

Mono color

iR C6800C / iR C6800CN / iR 5800C / iR 5800CN

2

<Conditions>
reading: book mode, 1 A4 original
printing: A4, plain paper, single-sided, mono color, 2 prints

Original exposure

Scanner motor
(M501)

Scanning lamp

Scanner HP sensor
(PS501)

Start key ON

:forward

STBYSTBY SCFW SCRW

:reverse

Laser exposure system

Printer unit

Laser scanner
motor(M1)

ITB home
position signal

PVREQ signal

Laser

Drum/ITB motor
(M2)
Pre-exposure
LED (LED1)

Primary charging
bias

Grid bias
Developing
rotary motor (M5)

Image formation system

Stray toner

collection roller bias

Black developing

bias (DC)

Black developing

bias (AC)

Black developing

clutch (CL3)

Color developing

bias (DC)
Color developing
bias (AC)
Color developing
clutch (CL1)

Pre-transfer charging

bias (AC)

Pre-transfer charging

bias (DC)

Primary transfer bias

Secondary transfer
outside roller shift
motor (M20)

Secondary transfer
bias
Secondary transfer
cleaning bias

ITB cleaner shift

motor (M21)

Right deck pickup

motor (M17)

Deck (right) pickup

Pickup/feeding system

solenoid (SL6)

Right deck pickup
sensor (PS33)

Right deck pull-off
motor (M14)

Manual feed pre

-registration motor (M6)
OHP sensor front/

(PS3/29)

rear

Registration motor

(M8)
Fixing main heater
(H1)

Fixing sub heater

(H2)

Shift heater

Fixing system

(H3)

Outside heating
roller heater (H4)

Fixing motor (M4)

Outside heating roller

shift motor (M22)

Fixing inlet sensor
(PS11)

Outside delivery
sensor (PS13)

Start key ON

Image formation

ready timing

1

Bk1

Bk2

PRINT

LSTR

PSTBYPSTBY PINTR

2

2

*1: interval used to stabilize the rotation.
*2: interval during which the main heater and the sub heater are tuned on alternately.

F-1-2

3

2 General Circuit Diagram

Signal Names

List Of Signals

iR C6800C / iR C6800CN / iR 5800C / iR 5800CN

T-2-1

Abbreviation Signal name

AFTER_TRNS_HP_S

NS post-transfer paper detection signal

ATR_REF ATR sensor reference signal

ATR_SIG ATR sensor signal

ATR_VCC ATR power supply signal

ATR_VSS ATR sensor light detection signal

ATRLED_ON ATR sensor light emission signal

ATRSL_ON ATR shutter solenoid drive signal

BK_CRG_DOOR_OP

N hopper cover open/closed detection signal

BK_DC_CONT black development DC bias control signal

BK_DEV black developing bias drive signal

BK_DEV_CL black development clutch drive signal

BK_TNR_REMAIN black toner level detection signal

CHD_CLK side deck clock signal

CHO_RXD side deck communication signal 0

CHO_RXLOAD* side deck data request signal

CHO_TXD side deck communication signal 1

CHO_TXEND* side deck communication final signal

CHO_TXOUTEN* side deck data enable signal

CL_CRG_DTC color toner cartridge present/absent signal

CL_DEV color developing bias drive signal

color toner level detection signal (light-receiving seg-

CL_TNR_REMAIN

ment)

color toner level detection signal (light-emitting seg-

CL_TNR_SNS_ON

CLR_DC_CONT color developing DC bias control signal

CLR_DEV_CL color developing clutch drive signal

CLR_TNR_SPLY_C

L color toner supply clutch drive signal

CMNCLK_A1 HVT1 high-voltage bias reference signal

ment)

5

Abbreviation Signal name

CMNCLK_A1 HVT2 high-voltage bias reference signal

CNT0 laser control signal 0

CNT1 laser control signal 1

CRG_MTR_ON black toner supply motor drive signal

CST_FEED_M_CLK

A cassette pickup motor drive signal A

CST_FEED_M_CLK

AB cassette pickup motor drive signal AB

CST_FEED_M_CLK

B cassette pickup motor drive signal B

CST_FEED_M_CLK

BB cassette pickup motor drive signal BB

CST_HEAT_ON cassette heater drive signal

CUAL_FAN delivery cooling fan 1 drive signal

CUAL_FAN_ERR delivery cooling fan 1 error detection signal

D_LOAD finisher start-up signal

DCP_FAN_LOK* power supply fan lock detection signal

DCP_REM0 power supply remote signal 0

DCP_REM1 power supply remote signal 1

DCP_REM2 power supply remote signal 2

DCP_REM3 power supply remote signal 3

DEIL_FLAP_SL delivery reversing solenoid drive signal

DEV_BK_AC_ON black developing AC bias drive signal

DEV_BK_DC_ON black developing DC bias drive signal

DEV_CL_AC_ON color developing AC bias drive signal

DEV_CL_DC_ON color developing DC bias drive signal

DEV_MTR_CLK developing motor reference signal

DEV_MTR_CW/

CCW developing motor drive detection switchover signal

DEV_MTR_ID development motor identification signal

DEV_MTR_LOK* development motor lock detention signal

DEV_MTR_ON development motor drive signal

DEV_MTR_SEL development motor speed switchover signal

DEVBKCLK1 black developing bias reference signal A

DEVCLCLK_A1 color developing bias reference signal A

DEVCLCLK_B1 color developing bias reference signal B

DRAM_HP_SNS drum HP detection signal

6

Abbreviation Signal name

DRUM_HEAT_ON drum heater drive signal

DRUM_MTR_BRAK

E drum/ITB motor drive direction switchover signal

DRUM_MTR_CLK drum/ITB motor reference signal

DRUM_MTR_ID drum/ITB motor identified signal

DRUM_MTR_LOK* drum/ITB motor lock detection signal

DRUM_MTR_ON drum/ITB motor drive signal

DRUM_MTR_SEL drum/ITB motor speed switchover signal

DUP_FEED_SNS duplexing left detection signal

DUPLEX_CENTER_

M_CLK_A depleting middle motor drive signal A

DUPLEX_CENTER_

M_CLK_AB duplexing middle motor drive signal AB

DUPLEX_CENTER_

M_CLK_B duplexing middle motor drive signal B

DUPLEX_CENTER_

M_CLK_BB duplexing middle motor drive signal BB

DUPLEX_LEFT_M_

CLK_A duplexing left motor drive signal A

DUPLEX_LEFT_M_

CLK_AB duplexing left motor drive signal AB

DUPLEX_LEFT_M_

CLK_B duplexing left motor drive signal B

DUPLEX_LEFT_M_

CLK_BB duplexing left motor drive signal BB

DUPLEX_REV_M_C

LK_A duplexing reversal motor drive signal A

DUPLEX_REV_M_C

LK_AB duplexing reversal motor drive signal AB

DUPLEX_REV_M_C

LK_B duplexing reversal motor drive signal B

DUPLEX_REV_M_C

LK_BB duplexing reversal motor drive signal BB

DUPLEX_RIGHT_M

_CLK_A duplexing right motor drive signal A

DUPLEX_RIGHT_M

_CLK_AB duplexing right motor drive signal AB

DUPLEX_RIGHT_M

_CLK_B duplexing right motor drive signal B

DUPLEX_RIGHT_M

_CLK_BB duplexing right motor drive signal BB

7

Abbreviation Signal name

ELIMINATE static eliminator bias drive signal

ENV_HUM_CLK environment sensor reference signal

ENV_TEMP environment sensor detection signal

EPC_SIG potential sensor reference signal

EPC_SNS_ON potential sensor detection signal

EX_FIX_HP_SNS outside heating roller HP detection signal

EX_FIX_P_MTR_A outside heating roller shift motor drive signal A

EX_FIX_P_MTR_A* outside heating roller shift motor drive signal A*

EX_FIX_P_MTR_B outside heating roller shift motor drive signal B

EX_FIX_P_MTR_B* outside heating roller shift motor drive signal B*

EX_FIX_THM_EDG

E_IN outside heating sub thermistor detection signal

EX_FIX_THM_IN outside heating main thermistor detection signal

EX-HEAT-ON outside heating roller heater drive signal

EXP_LED pre-exposure LED drive signal

EX-TR-ERR outside heating roller heater error signal

FEED_FAN_4 feed fan 4 drive signal

FEED_FAN1 feed fan 1 drive signal

FEED_FAN1_ERR feed fan 1 error detection signal

FEED_FAN2 feed fan 2 drive signal

FEED_FAN2_ERR feed fan 2 error detection signal

FEED_FAN3 feed fan 3 drive signal

FEED_FAN3_ERR feed fan 3 error detection signal

FEED_FAN4_ERR feed fan 4 error detection signal

FIN_FAN exhaust heat cooling fan 2 drive signal

FIN_FAN_LOK* exhaust heat cooling fan 2 lock detection signal

FIRST_TRN primary transfer bias drive signal

FIX_ENT_SNS fixing inlet detention signal

FIX_FAN fixing exhaust fan drive signal

FIX_FAN_LOK* fixing exhaust fan lock detection signal

FIX_MTR_BRAKE fixing motor stop signal

FIX_MTR_CLK fixing motor reference signal

FIX_MTR_ID fixing motor identification signal

FIX_MTR_LOK* fixing motor lock detection signal

FIX_MTR_ON fixing motor drive signal

FIX_MTR_SEL fixing motor selection signal

8