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TASKalfa 220
Service Manual
Page 3 (Revision History)
Kyocera TASKalfa 220 - Revision History
300 pages
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Revision history
Revision
Date
Replaced pages
Remarks
1
August 31, 2009
1-2-10, 1-2-1
1, 1-2-
13, 1-3-2, 1-3-3,
1-
3-17, 1-3-47,
1-5-2, 1-5-13
-
2
September 26, 2009
Contents, 1-6-3
-
3
October 22, 2009
2-4-1 to 2-4-4
-
2
4
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
Revision History
3
Safety Precautions
5
Installation Precautions
7
Precautions for Maintenance
8
Miscellaneous
9
Table of Contents
11
1-1 Specifications
15
Specifications
15
Parts Names
17
Body
17
Operation Panel
17
Machine Cross Section
19
1-2 Installation
21
Installation Environment
21
Unpacking and Installation
22
Installation Procedure
22
Setting Initial Copy Modes
30
Installing the Key Counter (Option)
31
Installing the Cassette Heater (Option)
36
Maintenance Mode
39
Executing a Maintenance Item
39
Maintenance Mode Item List
40
Contents of Maintenance Mode Items
43
Outputting an Own-Status Report
43
Exiting the Maintenance Mode
43
Setting the Factory Default Data
43
Checking the Machine Number
44
Copying Without Paper
45
Displaying the ROM Version
46
Initializing All Data
47
Checking Motor Operation
48
Checking Switches for Paper Conveying
48
Checking Clutch Operation
49
Adjusting the Print Start Timing
50
Setting Folio Size
53
Adjusting the Deflection in the Paper
54
Performing Fine Adjustment of the Motor Speed
55
Adjusting the Scanner Input Properties
56
Turning the Exposure Lamp on
56
Adjusting the Shading Position
56
Adjusting the Scanner Magnification
57
Adjusting the Scanner Leading Edge Registration
58
Adjusting the Scanner Center Line
59
Adjusting the Scanning Position for Originals from the DP
60
Adjusting the DP Magnification
61
Adjusting the DP Scanning Timing
62
Adjusting the DP Center Line
63
Checking Scanner Operation
64
Adjusting the DP Input Light Luminosity
64
Adjusting the DP Automatically
65
Setting DP Reading Position Modification Operation
66
Setting the Input Filter
67
Outputting a MIP-PG Pattern
67
Adjusting the Scanner Automatically
68
Setting the Exposure Density Gradient
69
Adjusting Original Size Detection
70
Setting the Main High Voltage
72
Setting the Other High Voltages
73
Checking the Drum Count
74
Setting Toner Loading Operation
75
Checking Sensors for Toner
75
Checking/Clearing the Developing Drive Time
76
Checking the Developing Count
76
Setting the Fuser Control Temperature
77
Stabilizing Fuser Forcibly
77
Resetting the Fuser Problem Data
78
Checking the Fuser Count
78
Setting the Fuser Phase Control
79
Checking the Fuser Temperature
79
Turning All Leds on
79
Checking DP Separately
80
Setting the Presence or Absence of a Key Card or Key Counter
80
Checking the Operation Panel Keys
80
Checking the Operation of the DP Motors
81
Checking the DP Switches
81
Checking Messages
82
Setting the Maintenance Cycle
82
Checking/Clearing the Maintenance Count
82
Setting the Destination
83
Switching between Double and Single Counts
83
Turning Auto Start Function On/Off
84
Selecting the Timing for Copy Counting
84
Setting the Destination Specifications
84
Setting Auto Application Change Time
85
Setting Service Status Page
85
Setting the Optional Language
85
Setting the Size Conversion Factor
86
Specific Paper Feed Location Setting for Printing Function
86
Setting the Ejection Restriction
86
Switching between Duplex/Simplex Copy Mode
87
Setting the Low-Power Mode
87
Setting the Value for Maintenance Due Indication
87
Adjusting Margins of Image Printing
88
Adjusting Margins for Scanning an Original on the Contact Glass
89
Adjusting Margins for Scanning an Original from the DP
90
Adjusting the Leading Edge Registration for Memory Image Printing
91
Checking/Clearing Copy Counts by Paper Feed Locations
92
Checking/Clearing the Paper Jam Counts
93
Checking Counts by Optional Devices
94
Checking the Total Count
95
Checking/Clearing Copy Counts by Paper Sizes
96
Clearing the All Copy Counts and Machine Life Counts
98
Checking the Machine Life Count
98
Setting the Automatic Toner Install
98
Setting the Default Magnification Ratio of the Default Cassette
99
Setting of Amount of Slack for Feeding from DP
99
Setting Operation Panel Type
100
Checking of Toner Area Code
101
Checking/Clearing the Time for the Exposure Lamp to Light
101
Checking the Scanner Count
102
Outputting a VTC-PG Pattern
102
Using the Management Mode
103
Job Accounting
104
Default Setting
104
1-4 Troubleshooting
109
Paper Misfeed Detection
109
Paper Misfeed Indication
109
Paper Misfeed Detection Conditions
110
System
111
Paper Feed Section
111
Paper Conveying Section
112
Fuser Section
112
Eject Section
113
Feedshift Section
113
Duplex Section
114
Document Processor
114
Paper Misfeeds
116
Self-Diagnostic Function
123
List of System Errors
123
Measures against the Service Codes Detecting Fuser Problems
123
Self Diagnostic Codes
124
Image Formation Problems
129
No Image Appears (Entirely White)
129
No Image Appears (Entirely Black)
130
Image Is too Light
131
Background Is Visible
131
A White Line Appears Longitudinally
131
A Black Line Appears Longitudinally
132
A Black Line Appears Laterally
132
One Side of the Copy Image Is Darker than the Other
132
Black Dots Appear on the Image
132
Image Is Blurred
133
Paper Creases
133
The Leading Edge of the Image Is Consistently Misaligned with the Original
133
The Leading Edge of the Image Is Sporadically Misaligned with the Original
133
Offset Occurs
134
Image Is Partly Missing
134
Fusing Is Poor
134
Image Is out of Focus
134
Image Center Does Not Align with the Original Center
135
Electric Problems
136
Mechanical Problems
140
Precautions for Assembly and Disassembly
143
Drum
143
Toner
143
How to Tell a Genuine Kyocera Mita Toner Container
144
Detaching and Refitting the Separation Pulley
145
Paper Feed Section
145
Detaching and Refitting the Forwarding Pulley and Paper Feed Pulley
148
Detaching and Refitting the Paper Conveying Unit
151
Detaching and Refitting the MP Paper Feed Pulley and MP Separation Pad
153
Detaching and Refitting the Left Registration Roller
156
Detaching and Refitting the Right Registration Roller
157
Optical Section
159
Detaching and Refitting the Exposure Lamp
159
Detaching and Refitting the Scanner Wires
161
Detaching the Scanner Wires
161
Fitting the Scanner Wires
164
Detaching and Refitting the ISU (Reference)
168
Detaching and Refitting the Laser Scanner Unit
170
Adjusting the Longitudinal Squareness (Reference)
175
Drum Section
176
Detaching and Refitting the Drum Unit
176
Detaching and Refitting the Drum Separation Claws
177
Detaching and Refitting the Main Charger Unit
178
Developing Section
179
Detaching and Refitting the Developing Unit
179
Transfer Section
180
Detaching and Refitting the Transfer Roller
180
Detaching and Refitting the Fuser Unit
182
Fuser Section
182
Detaching and Refitting the Press Roller
184
Detaching and Refitting the Fuser Heater
186
Detaching and Refitting the Heat Roller Separation Claws
189
Detaching and Refitting the Heat Roller
190
Detaching and Refitting the Fuser Thermistor
192
Detaching and Refitting the Fuser Thermostat
193
Adjusting Front Position of the Fuser Unit (Adjusting Lateral Squareness)
194
Others
195
Detaching and Refitting the Eject Unit
195
Direction of Installing the Principal Fan Motors
197
1-6 Requirements on PWB Replacement
199
Upgrading the Firmware
199
Remarks on Main/Engine PWB Replacement
200
Adjustment-Free Variable Resistors (VR)
200
Upgrading the Printing System Firmware
201
Upgrade Using PC/USB
201
2-1 Mechanical Construction
203
Paper Feed Section
203
Paper Feed Section Block Diagram
204
Image Scanner Section
205
Optical Section
205
Image Scanner Section Block Diagram
206
Laser Scanner Section
207
Laser Scanner Section Block Diagram
208
Drum Section
209
Drum Section Block Diagram
210
Developing Section
211
Developing Section Block Diagram
212
Single Component Developing System
213
Transfer and Separation Sections
214
Transfer and Separation Sections Block Diagram
214
Fuser Section
215
Fuser Section Block Diagram
216
Eject and Switchback Sections
217
Eject and Switchback Sections Block Diagram
218
Duplex Section
219
Duplex Section Block Diagram
220
Electrical Parts Layout
221
Pwbs
221
List of Correspondences of PWB Names
222
Switches and Sensors
223
Motors
224
Others
225
2-3 Operation of the Pwbs
227
Power Source PWB
227
Power Source PWB Silk-Screen Diagram
227
Main/Engine PWB
229
Main/Engine PWB Silk-Screen Diagram
229
Cassette PWB Silk-Screen Diagram
237
Operation PWB Silk-Screen Diagram
240
2-4 Appendixes
243
Maintenance Parts List
243
Periodic Maintenance Procedures
244
Chart of Image Adjustment Procedures
247
Wiring Diagram
249
Installation Guide for Document Processor
250
Supplied Parts
251
Installing the DP
252
Adhering the Film
254
Attaching the Original Mat
254
Connecting the Signal Cable
255
Adhering the Labels
255
Checking the Operation
256
Checking Image from the DP
257
Checking the Angle of Leading Edge
258
Adjusting the DP
259
Checking the Angle of Trailing Edge
261
Checking the Magnification
265
If the Operation Panel Is an LCD Type
266
Checking the Leading Edge Timing
267
If the Operation Panel Is a 7-Segment Type
267
Checking the Center Line
269
If the Operation Panel Is a 7-Segment Type
269
Automatic Adjustment Using the Original for Adjustment
271
Adjusting the DP Open/Close Angle
272
To Adjust the DP Open/Close Angle to 30 Degrees
272
Installation Guide for Paper Feed
273
Paper Feeder
273
Additional Step During PF-420 Installation
274
Adjusting the Leading Edge Timing
283
Adjusting the Center Line
284
Installation Guide for Duplex Unit
287
Printing System (Z)
296
Installation for Printing System
297
Installing the USB Interface IB-110
298
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