Canon NP7120 manuals

NP7120

Brand: Canon | Category: Printer

Table of contents

1. Table Of Contents
2. Table Of Contents
3. Table Of Contents
4. Table Of Contents
5. Table Of Contents
6. I. FEATURES
7. II. SPECIFICATIONS
8. III. NAMES OF PARTS
9. ADF Type
10. B. Cross Section
11. IV. USING THE MACHINE
12. B. User mode
13. USER
14. if jams occur frequently
15. VI. IMAGE FORMATION
16. basic operation
17. I. BASIC OPERATIONS
18. B. Outline of Electrical Circuitry
19. C. Basic Sequence of Operations
20. D. Controlling the Main Motor (M1)
21. E. Inputs to and Outputs from the DC Controller
22. I. OPERATIONS
23. A. Outline
24. B. Varying the Reproduction Ratio
25. C. Lens Drive System
26. D. Scanner Drive System
27. a. scanner drive assembly
28. outline of the scanner drive cable
29. b. lens drive assembly
30. c. exposure system
31. removing the thermal fuse
32. image formation system
33. I. IMAGE FORMATION SYSTEM
34. B. Timing Chart for the Image Formation System
35. C. Primary Charging Roller Bias Control
36. D. Controlling the Transfer Roller Bias
37. Separation Static Eliminator Bias
38. Originals
39. G. Controlling the Pre-Exposure Lamp
40. H. Controlling the Side Blanking Mechanism
41. II. DEVELOPING ASSEMBLY CLEANING ASSEMBLY
42. B. Detecting the Level of Toner
43. C. Detecting Waste Toner
44. D. Primary Charging Roller Cleaning Control
45. III. DISASSEMBLY/ASSEMBLY
46. A. Drum Unit
47. removing the drum unit
48. after replacing the drum unit
49. B. Transfer Charging Assembly
50. C. Blank Exposure
51. D. Developing Assembly
52. I. PICKUP/FEEDING SYSTEM
53. B. Controlling the Pickup Roller
54. C. Controlling the Movement of Paper
55. D. Detecting Jams
56. delivery delay jam
57. II. DISASSEMBLY/ASSEMBLY
58. A. Pickup Assembly
59. B. Multifeeder Assembly
60. removing the separation pad
61. C. Feeding Assembly
62. D. Registration Roller Assembly
63. removing the registration roller
64. E. Delivery Assembly
65. B. Controlling the Fixing Temperature
66. II. POWER SUPPLY SYSTEM
67. B. Power Supply Circuit
68. C. Detecting an Error on the Com posite Power Supply PCB
70. A. External Covers
71. B. Control Panel
72. C. Copyboard Glass
73. D. Main Motor/Main Drive Assem bly
74. E. Electrical System
75. supply pcb
76. power supply pcb
77. Table Of Contents
79. B Basic Construction
80. C. Basic Operations
81. D. Detecting an Original
82. E. Pickup Operation
83. F. Delivery
84. G. Controlling the Pickup Motor
85. H. Controlling the Belt Motor
86. I. Detecting Original Jams
87. J. Power Supply
89. A. Removing the ADF
90. B. External Covers
91. C. Drive System
92. D. Feeding System
93. registration roller
95. I. SELECTING THE SITE
96. II. UNPACKING AND INSTALLATION
97. installing the drum unit
98. connecting the power cord
99. adjusting the machine
100. B. Placing Copy Paper
101. III. MOVING THE MACHINE
102. I. PERIODICALLY REPLACED PARTS
103. troubleshooting
104. INSPECTION
105. B. Points to Note for Servicing
106. II. STANDARDS AND ADJUSTMENTS
107. C. Electrical
108. checking the photointerrupters
109. III. TROUBLESHOOTING IMAGE FAULTS
110. B. Sample Image Faults
111. C. Troubleshooting Image Faults
112. the back of the copy is soiled
113. the copy has a fixing fault
114. the copy has a blurred image
115. the copy has horizontal fogging
116. the copy is blank
117. IV. TROUBLESHOOTING MALFUNCTIONS
118. the scanner fails to move forward
119. the scanning lamp fails to turn on
120. the fixing heater fails to turn on
121. PROBLEMS
122. pickup assembly
123. B. Faulty Feeding
124. VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
125. B. Switches
126. C. Lamp, Heater, Motor, Etc
127. d. pcbs
128. e. adf
129. Check Pins by PCB
130. VII. SERVICE MODE
131. ending service mode
132. C. Adjustment Mode (30)
133. D. Operation/Inspection Mode (40)
134. E. Machine Settings Mode (50)
135. VIII. SELF DIAGNOSIS
136. A. GENERAL TIMING CHART
137. B. SIGNALS AND ABBREVIATIONS
138. C. GENERAL CIRCUIT DIAGRAM
139. D. DC CONTROLLER CIRCUIT DIAGRAM
140. E. ADF CONTROLLER CIRCUIT DIAGRAM
141. CIRCUIT DIAGRAM
142. G. CONTROL PANEL CIRCUIT DIAGRAM
143. H. AE SENSOR CIRCUIT DIAGRAM

NP7120

Brand: Canon | Category: Printer