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.... Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, ...AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS. 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 ...
.... Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, ...AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS. 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 ...
Service Manual
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...step-by -step basis. This service manual consists of the following chapters: Chapter 1 General Description introduces the machine's features, specifications, names of operation used for the machine's fixing system. It also explains the timing at which exposurerelated mechanisms are operated, and... problem identification (image fault/malfunction). Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. Chapter 6 Fixing System discusses the principles of electrical and mechanical functions and in the field so as to their quality ...
...step-by -step basis. This service manual consists of the following chapters: Chapter 1 General Description introduces the machine's features, specifications, names of operation used for the machine's fixing system. It also explains the timing at which exposurerelated mechanisms are operated, and... problem identification (image fault/malfunction). Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. Chapter 6 Fixing System discusses the principles of electrical and mechanical functions and in the field so as to their quality ...
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...relevant Service Information bulletins and be able to the timing of a microprocessor cannot be communicated in the form of the electric sig- CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) The expression "turn on the power" means flipping on ... output of this Service Manual and all cases, the internal mechanisms of operation. ii COPYRIGHT © 1999 CANON INC. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with power. 2. In the digital circuits, '1' is ...
...relevant Service Information bulletins and be able to the timing of a microprocessor cannot be communicated in the form of the electric sig- CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) The expression "turn on the power" means flipping on ... output of this Service Manual and all cases, the internal mechanisms of operation. ii COPYRIGHT © 1999 CANON INC. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with power. 2. In the digital circuits, '1' is ...
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... 2-1 A. Controlling the Main Motor (M1 2-5 E. Lens Drive System 3-3 D. Functional Construction ........2-1 B. Scanner Drive Assembly .... 3-13 B. Exposure System 3-37 COPYRIGHT © 1999 CANON INC. ADF 1-8 III. IMAGE FORMATION 1-20 A. CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. SPECIFICATIONS 1-2 A. USING THE MACHINE 1-15 A. Outline of Operations 2-3 D. Basic Sequence of Electrical Circuitry 2-2 C. OPERATIONS 3-1 A. Outline 3-1 B. Varying the Reproduction Ratio 3-2 C. Scanner Drive...
... 2-1 A. Controlling the Main Motor (M1 2-5 E. Lens Drive System 3-3 D. Functional Construction ........2-1 B. Scanner Drive Assembly .... 3-13 B. Exposure System 3-37 COPYRIGHT © 1999 CANON INC. ADF 1-8 III. IMAGE FORMATION 1-20 A. CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. SPECIFICATIONS 1-2 A. USING THE MACHINE 1-15 A. Outline of Operations 2-3 D. Basic Sequence of Electrical Circuitry 2-2 C. OPERATIONS 3-1 A. Outline 3-1 B. Varying the Reproduction Ratio 3-2 C. Scanner Drive...
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FEATURES 1-1 II. Cross Section 1-13 IV. Outline 1-20 COPYRIGHT © 1999 CANON INC. SPECIFICATIONS 1-2 A. ROUTINE MAINTENANCE BY THE USER 1-17 VI. USING THE MACHINE 1-15 A. Control Panel 1-15 V. External View 1-10 B. IMAGE FORMATION 1-20 A. I. NAMES OF PARTS 1-10 A. ADF 1-8 III. Copier 1-2 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION This chapter provides specifications of the machine, instructions on how to operate the machine, and an outline of copying process.
FEATURES 1-1 II. Cross Section 1-13 IV. Outline 1-20 COPYRIGHT © 1999 CANON INC. SPECIFICATIONS 1-2 A. ROUTINE MAINTENANCE BY THE USER 1-17 VI. USING THE MACHINE 1-15 A. Control Panel 1-15 V. External View 1-10 B. IMAGE FORMATION 1-20 A. I. NAMES OF PARTS 1-10 A. ADF 1-8 III. Copier 1-2 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION This chapter provides specifications of the machine, instructions on how to operate the machine, and an outline of copying process.
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....) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table 1-202 1-2 COPYRIGHT © 1999 CANON INC. Copier 1. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. SPECIFICATIONS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION II.
....) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table 1-202 1-2 COPYRIGHT © 1999 CANON INC. Copier 1. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. SPECIFICATIONS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION II.
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... (9) 12 (9) 12 (9) 12 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 m(9) 10 (9) 9 10 (9) 10 (9) 10 (9) 10 (9) 9 Table 1-206 *1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-7 COPYRIGHT © 1999 CANON INC. Copying Speed Copying speed at Direct 13 Reproduction ratio Direct Reduce I (70.7%) Reduce II (78.6%) Reduce IV... → A4R A5R → A4R LTRR LGL STMTR MIN LGL → LTRR MARJIN MAX Number of the 19th copy in a continuous copying job. (See p.5-8) The specifications are subject to change for product improvement.
... (9) 12 (9) 12 (9) 12 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 (9) 10 m(9) 10 (9) 9 10 (9) 10 (9) 10 (9) 10 (9) 9 Table 1-206 *1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-7 COPYRIGHT © 1999 CANON INC. Copying Speed Copying speed at Direct 13 Reproduction ratio Direct Reduce I (70.7%) Reduce II (78.6%) Reduce IV... → A4R A5R → A4R LTRR LGL STMTR MIN LGL → LTRR MARJIN MAX Number of the 19th copy in a continuous copying job. (See p.5-8) The specifications are subject to change for product improvement.
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-9 COPYRIGHT © 1999 CANON INC. The specifications are subject to change for binding. • Sheet with a carbon back. • Sheet with a cut-and-paste piece. • Sheet with holes for product improvement. CHAPTER 1 GENERAL DESCRIPTION *1. The following may not be used as an original: • Sheet with a staple, clip, or glue. • Sheet with a cut, hole, or tear. • Sheet with curling, bending, or wrinkling.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-9 COPYRIGHT © 1999 CANON INC. The specifications are subject to change for binding. • Sheet with a carbon back. • Sheet with a cut-and-paste piece. • Sheet with holes for product improvement. CHAPTER 1 GENERAL DESCRIPTION *1. The following may not be used as an original: • Sheet with a staple, clip, or glue. • Sheet with a cut, hole, or tear. • Sheet with curling, bending, or wrinkling.
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... for about 1 sec, the DC controller will stop the main motor and, at a specific speed, the main motor driver PCB keeps sending the constant speed state signal (MLOCK=0) to have fluctuations, the MLOCK signal goes '1'. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) b. CHAPTER 2... main motor drive signal is rotating at the same time, indicate 'E010' in the display. 2-6 COPYRIGHT © 1999 CANON INC. Rotating the Main Motor at a specific speed by matching the frequency of these clock pulses and that of the frequency of the motor while the motor is a...
... for about 1 sec, the DC controller will stop the main motor and, at a specific speed, the main motor driver PCB keeps sending the constant speed state signal (MLOCK=0) to have fluctuations, the MLOCK signal goes '1'. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) b. CHAPTER 2... main motor drive signal is rotating at the same time, indicate 'E010' in the display. 2-6 COPYRIGHT © 1999 CANON INC. Rotating the Main Motor at a specific speed by matching the frequency of these clock pulses and that of the frequency of the motor while the motor is a...
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...detection signal has been detected for the 220/240 V model) in terms of actual voltage by way of phase control. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-11 CHAPTER 3 EXPOSURE SYSTEM b. In turn, ... control circuit (HIC 001) controls the voltage supplied to the scanning lamp active voltage signal. COPYRIGHT © 1999 CANON INC. The PWM_1KHz signal varies according to the setting of the scanning lamp (LA1). The composite power supply PCB ... Lamp The intensity of actual voltage. However, the intensity remains a specific value for 2 sec.
...detection signal has been detected for the 220/240 V model) in terms of actual voltage by way of phase control. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-11 CHAPTER 3 EXPOSURE SYSTEM b. In turn, ... control circuit (HIC 001) controls the voltage supplied to the scanning lamp active voltage signal. COPYRIGHT © 1999 CANON INC. The PWM_1KHz signal varies according to the setting of the scanning lamp (LA1). The composite power supply PCB ... Lamp The intensity of actual voltage. However, the intensity remains a specific value for 2 sec.
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...bias Both DC bias and AC bias are applied to the primary charging roller so as to 3000 Vpp (885µA) 4-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM C. Outline The circuit shown in Figure 4-103 is...and has the following functions: • Turning on and off the DC/AC bias • Controlling the DC bias to a specific voltage • Controlling the AC bias to a specific voltage • Switching the level of the DC bias is switched between when forming copy images and when not forming copy images....
...bias Both DC bias and AC bias are applied to the primary charging roller so as to 3000 Vpp (885µA) 4-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM C. Outline The circuit shown in Figure 4-103 is...and has the following functions: • Turning on and off the DC/AC bias • Controlling the DC bias to a specific voltage • Controlling the AC bias to a specific voltage • Switching the level of the DC bias is switched between when forming copy images and when not forming copy images....
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... microprocessor (Q900) on the composite power supply PCB generates the AC bias output signal (PAC_OUT), thereby applying an AC bias to ensure that they remain specific levels. DC bias ON (image area) DC bias ON (non-image area) DC bias OFF DC bias ON signal (8-bit signal communication) bit0 bit1 1... DC/AC Bias to a Specific Voltage/Current The DC bias and the AC bias applied to the primary charging roller. When the Copy Start key is generated, the microprocessor (Q900) on the combination of the DC/AC bias. 4-6 COPYRIGHT © 1999 CANON INC. cation signal from the...
... microprocessor (Q900) on the composite power supply PCB generates the AC bias output signal (PAC_OUT), thereby applying an AC bias to ensure that they remain specific levels. DC bias ON (image area) DC bias ON (non-image area) DC bias OFF DC bias ON signal (8-bit signal communication) bit0 bit1 1... DC/AC Bias to a Specific Voltage/Current The DC bias and the AC bias applied to the primary charging roller. When the Copy Start key is generated, the microprocessor (Q900) on the combination of the DC/AC bias. 4-6 COPYRIGHT © 1999 CANON INC. cation signal from the...
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... 0 1 1 0 0 0 1 T-FW_ON signal 1 1 0 1 T_REV_ON* signal 1 0 1 1 Table 4-103 Relationship between -7.5 and -3.0 kV. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-9 CHAPTER 4 IMAGE FORMATION SYSTEM 2. Turning On and Off the Transfer Bias The transfer bias...roller is between Transfer Bias Output and Signals b. Controlling the Transfer Bias to a Specific Voltage The transfer bias applied to ensure that the transfer bias remains a specific level at all times. Reference: The level of transfer bias applied to the ...
... 0 1 1 0 0 0 1 T-FW_ON signal 1 1 0 1 T_REV_ON* signal 1 0 1 1 Table 4-103 Relationship between -7.5 and -3.0 kV. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-9 CHAPTER 4 IMAGE FORMATION SYSTEM 2. Turning On and Off the Transfer Bias The transfer bias...roller is between Transfer Bias Output and Signals b. Controlling the Transfer Bias to a Specific Voltage The transfer bias applied to ensure that the transfer bias remains a specific level at all times. Reference: The level of transfer bias applied to the ...
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...bias (ATVC) Transfer bias 1.2sec (approx.) 0.8sec (approx.) 0.7sec (approx.) 1.6sec(approx.) Figure 4-106 4-10 COPYRIGHT © 1999 CANON INC. Reference: While the transfer charging roller makes a single rotation, the microprocessor (Q900) checks the transfer current detection signal four times, and ... Level (ATVC control) The machine automatically corrects the application voltage level of the transfer bias is pressed. A current of a specific level (-14.6 µA) is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the...
...bias (ATVC) Transfer bias 1.2sec (approx.) 0.8sec (approx.) 0.7sec (approx.) 1.6sec(approx.) Figure 4-106 4-10 COPYRIGHT © 1999 CANON INC. Reference: While the transfer charging roller makes a single rotation, the microprocessor (Q900) checks the transfer current detection signal four times, and ... Level (ATVC control) The machine automatically corrects the application voltage level of the transfer bias is pressed. A current of a specific level (-14.6 µA) is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the...
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... signal (Serial communication) bit5 bit6 - 1 0 1 DV_DC_ON (J103-3) 0 1 0 0 1 Table 4-104 Relationship between Developing DC Bias and Signals 3. posite power supply PCB a specific period of time after copy paper has moved past the registration sensor. Turning On and Off the DC Bias The DC bias applied to the...power supply PCB sends the DC bias control signal (BIAS_PWM), thereby applying a DC bias to the developing cylinder. COPYRIGHT © 1999 CANON INC. Turning On and Off the AC Bias The AC bias is turned on the composite power supply PCB generates the AC bias oscillation...
... signal (Serial communication) bit5 bit6 - 1 0 1 DV_DC_ON (J103-3) 0 1 0 0 1 Table 4-104 Relationship between Developing DC Bias and Signals 3. posite power supply PCB a specific period of time after copy paper has moved past the registration sensor. Turning On and Off the DC Bias The DC bias applied to the...power supply PCB sends the DC bias control signal (BIAS_PWM), thereby applying a DC bias to the developing cylinder. COPYRIGHT © 1999 CANON INC. Turning On and Off the AC Bias The AC bias is turned on the composite power supply PCB generates the AC bias oscillation...
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Re-Pickup (cassette pickup) If the vertical path roller paper sensor (PS4) does not detect copy paper within a specific period of copy paper and will assume the absence of time after the cassette pickup roller has started to execute pickup operation, thereby ...ensuring correct pickup (as for recycled paper). Figure 5-105 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-5 II : The cassette pickup solenoid (SL5) turns on . If the vertical...
Re-Pickup (cassette pickup) If the vertical path roller paper sensor (PS4) does not detect copy paper within a specific period of copy paper and will assume the absence of time after the cassette pickup roller has started to execute pickup operation, thereby ...ensuring correct pickup (as for recycled paper). Figure 5-105 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-5 II : The cassette pickup solenoid (SL5) turns on . If the vertical...
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...registration clutch solenoid at a specific timing in response to the photosensitive drum. Controlling the Registration Roller The registration roller is controlled by a spring clutch, control ring, pre-registration roller paper sensor (Q751), and registration clutch solenoid (SL2). CANON PC800s/900s REV.0 AUG. ...controller PCB Pre-registration roller paper detection signal (RPD) Figure 5-109 Preregistration roller paper sensor (Q751) COPYRIGHT © 1999 CANON INC. Controlling the Movement of the main motor will reach the registration roller to move the copy paper to the paper ...
...registration clutch solenoid at a specific timing in response to the photosensitive drum. Controlling the Registration Roller The registration roller is controlled by a spring clutch, control ring, pre-registration roller paper sensor (Q751), and registration clutch solenoid (SL2). CANON PC800s/900s REV.0 AUG. ...controller PCB Pre-registration roller paper detection signal (RPD) Figure 5-109 Preregistration roller paper sensor (Q751) COPYRIGHT © 1999 CANON INC. Controlling the Movement of the main motor will reach the registration roller to move the copy paper to the paper ...
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The microprocessor possesses the following eight types of copies to make at such times as a jam. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Detecting Jams The machine is equipped with four paper sensors used to find out ... the microprocessor. if any of its sensors detects copy paper at power-on, the machine will be reset to the presence/absence of paper over a specific sensor at time of the jam. Delivery roller PS3 Fixing assembly Cassette Multifeeder pickup roller Photosensitive drum Registration roller Q751 Cassette pickup roller PS4 Vertical...
The microprocessor possesses the following eight types of copies to make at such times as a jam. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Detecting Jams The machine is equipped with four paper sensors used to find out ... the microprocessor. if any of its sensors detects copy paper at power-on, the machine will be reset to the presence/absence of paper over a specific sensor at time of the jam. Delivery roller PS3 Fixing assembly Cassette Multifeeder pickup roller Photosensitive drum Registration roller Q751 Cassette pickup roller PS4 Vertical...
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... the main motor in multifeeder mode, the condition will identify the condition as the absence of paper; Multifeeder Pickup Assembly (no paper) COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-13 Copy Start key ON STBY INTR SCFW Pickup clutch solenoid (SL1) Jam... (M1) 2.6sec No paper 1.5sec Figure 5-116 (no paper, pickup delay jam) If copy paper does not reach the pre-registration roller paper sensor within a specific period of time in about 1.5 sec, and indicate the Add Paper message. CHAPTER 5 PICK-UP/FEEDING SYSTEM 1.
... the main motor in multifeeder mode, the condition will identify the condition as the absence of paper; Multifeeder Pickup Assembly (no paper) COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-13 Copy Start key ON STBY INTR SCFW Pickup clutch solenoid (SL1) Jam... (M1) 2.6sec No paper 1.5sec Figure 5-116 (no paper, pickup delay jam) If copy paper does not reach the pre-registration roller paper sensor within a specific period of time in about 1.5 sec, and indicate the Add Paper message. CHAPTER 5 PICK-UP/FEEDING SYSTEM 1.
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...main motor in the Cassette Pickup Assembly When re-pickup operation is executed (from the cassette) , the absence of paper will be identi- CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM Copy Start key ON STBY INTR indication... Main motor (M1) 1.2sec Normal Re-pickup 1.2sec 1.2sec No paper 1.5sec Figure 5-118 5-14 COPYRIGHT © 1999 CANON INC. Absence of time. fied if copy paper doesnot reach the vertical path roller paper sensor within a specific period of Paper in about 1.5 sec, and indicate the Add Paper message.
...main motor in the Cassette Pickup Assembly When re-pickup operation is executed (from the cassette) , the absence of paper will be identi- CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM Copy Start key ON STBY INTR indication... Main motor (M1) 1.2sec Normal Re-pickup 1.2sec 1.2sec No paper 1.5sec Figure 5-118 5-14 COPYRIGHT © 1999 CANON INC. Absence of time. fied if copy paper doesnot reach the vertical path roller paper sensor within a specific period of Paper in about 1.5 sec, and indicate the Add Paper message.