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FAX2000L
Ricoh FAX2000L User Manual
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COPY QUALITY TRO
UBLESHOOTING
30 November, 1999
7-16
7.1.17
INCORRECTLY ALIGNED OUTPUT (IM
A
GE SHIFTED
VERTICA
LLY)/REDUCED IM
A
GE
Possible Cause:
•
Improper pri
nt marg
in (sub-scan
direction).
•
Dirty registra
tion rolle
r.
Action:
•
Adjust the sub-
scan print
margin. (
Refer to Sec
tion 6-12
.)
•
Clean the reg
istration r
oller.
173
175
Table of Contents
Default Chapter
3
Table of Contents
3
1 Overall Machine Information
7
Specifications
7
Features
9
Component Layout
13
Mechanical Components
13
Electrical Components
15
Overall Machine Control
19
Video Data Path
20
Transmission
20
Reception
21
Copying
22
Power Distribution
23
Distribution Diagram
23
Memory Back-Up Circuit
24
2 Detailed Section Descriptions
25
Scanner
25
Mechanisms
25
Jam Conditions
27
Printing
28
Printing Process - Overview
28
Opc Drum
29
Charge
29
Laser Exposure
30
Toner Supply
32
Development
34
Paper Feed
38
Registration
43
Transfer and Separation
45
Cleaning
46
Fusing
47
System Features
51
Energy Saver Modes
51
Automatic Service Calls
53
Sep/Sub Coding
54
Page Separation and Data Reduction
57
Memory Reception Conditions
59
V.8/V.34 Protocol
60
Blank Sheet Detection
62
Pcbs
63
Fcu
63
Psu
65
Ncu (Usa/Taiwan)
66
Installing the Machine
67
Initial Programming
67
Installing Optional Units
67
3 Installation
67
4 Service Tables and Procedures
68
Service Level Functions
68
Bit Switch Programming (Function 01)
68
System Parameter List (Function 02)
69
Error Code Display (Function 03)
69
Service Monitor Report (Function 04)
69
Group 3 Protocol Dump (Function 05)
69
Pc Protocol Dump (Function 05)
70
Ram Display/Rewrite (Function 06)
70
Ram Dump (Function 06)
70
Counter Display/Rewrite (Function 07)
71
Ncu Parameters (Function 08)
72
Modem Test (Function 08)
72
Dtmf Tone Test (Function 08)
72
Modem Test (Function 08)
73
Ringer Test (Function 08)
74
Operation Panel Test (Function 09)
74
Led Array Test (Function 10)
74
Adf Test (Function 10)
75
Printer Test Patterns (Function 11)
75
Printer Mechanism Test - Free Run (Function 11)
75
Ram Tests (Function 12)
76
Software Download (Function 12)
76
Software Upload (Function 12)
77
Sram Data Download (Function 12)
78
Service Station Fax Number (Function 13)
79
Serial Number (Function 14)
79
Bit Switches
80
System Switches
80
Scanner Switches
88
Printer Switches
89
Communication Switches
92
G3 Switches
97
Ncu Parameters
104
Dedicated Transmission Parameters
113
Programming Procedure
113
Parameters
114
Service Ram Addresses
116
5 Preventive Maintenance
128
Special Tools and Lubricants
128
Pm Table
128
6 Replacement and Adjustment
129
Exterior
129
Top Cover
129
Operation Panel
130
Adf
130
Feed Roller Assembly
130
Separation Roller
131
Scanner
131
Scanner Unit Disassembly
131
Scanner Motor
132
R1/R2 Rollers
133
Contact Image Sensor Assembly
133
Scanner Unit
134
Laser Printing Components
135
Laser Unit
135
Development
137
Transfer Roller
137
Fusing
138
Fusing Unit
138
Thermistor
139
Hot Roller Strippers
139
Fusing Lamp and Hot Roller
140
Pressure Roller
141
Thermostat and Thermofuse
141
Pcbs
142
Ncu
142
Psu
142
Power Pack
143
Fcu
143
Paper Feed
144
Separation Pad
144
Paper Feed Unit Assembly and Paper Feed Motor
145
Paper End Sensor and Registration Sensor
146
Paper Feed Roller/Clutch and Transport Roller
146
Others
147
Interlock Switches
147
Main Motor
148
Registration Roller
149
Toner End Sensor
150
Paper Feed Unit (Optional)
151
Transport Roller
151
Paper Feed Roller and Paper Feed Clutch
151
Connector
152
Image Adjustment
153
Overview
153
Scanner Parameters
154
Printer Parameters
155
Scanner Video Processing Parameters
157
7 Troubleshooting
159
Copy Quality Troubleshooting
159
Blank Copies
160
Black Copies
160
Dirty Background
161
Uneven Image Density
162
Vertical Black Lines
163
Horizontal Black Lines
164
Vertical White Lines
165
Horizontal White Lines
166
Black Dots/Spots
167
White Spots in Black Image Areas
168
Faint Copies
169
Vertical Black Band
171
Unfused Copies
172
Ghost Image
172
Toner on the Back of the Printer Paper
173
Incorrectly Aligned Output
173
The Right or Left)
173
Incorrectly Aligned Output (Image Shifted Vertically)/Reduced Image
174
Mechanical Problems
175
Adf/Scanner
175
Printer
178
Service Call Conditions
182
Error Codes
184
Electrical Component Defects
192
Defective Sensor Table
192
Blown Fuse Table
192
4
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Ricoh FAX2000L Specifications
General
Brand
Ricoh
Model
FAX2000L
Category
Fax Machine
Language
English
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