Page 1
CS-1650/2050
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SERVICE
MANUAL
Published in Aug ’04
2DA70941
Revision 1
Page 2
2DA/2DB-1
CONTENTS
1-1 Specifications
1-1-1 Specifications ....................................................................................................................................... 1-1-1
1-1-2 Parts names and their functions........................................................................................................... 1-1-3
(1) MFP ................................................................................................................................................ 1-1-3
(2) Operation panel .............................................................................................................................. 1-1-4
1-1-3 Machine cross section.......................................................................................................................... 1-1-5
1-1-4 Drive system ........................................................................................................................................ 1-1-6
1-2 Handling Precautions
1-2-1 Drum .................................................................................................................................................... 1-2-1
1-2-2 Toner .................................................................................................................................................... 1-2-1
1-2-3 Installation environment ....................................................................................................................... 1-2-2
1-3 Installation
1-3-1 Unpacking and installation ................................................................................................................... 1-3-1
(1) Installation procedure ..................................................................................................................... 1-3-1
1-3-2 Setting initial copy modes .................................................................................................................... 1-3-6
1-3-3 Installing the paper feeder (option) ...................................................................................................... 1-3-7
1-3-4 Installing the DP (option) ...................................................................................................................... 1-3-9
1-3-5 Installing the duplex unit (option) ....................................................................................................... 1-3-13
1-3-6 Installing the drawer heater (option)................................................................................................... 1-3-16
1-3-7 Installing the key counter (option) ...................................................................................................... 1-3-19
1-3-8 Installing the finisher (option) ............................................................................................................. 1-3-22
1-3-9 Installing the job separator (option).................................................................................................... 1-3-30
1-3-10 Installing the fax system (option)........................................................................................................ 1-3-35
1-3-11 Installing the scan system (option)..................................................................................................... 1-3-43
1-3-12 Installing the hard disk (option) .......................................................................................................... 1-3-45
1-4 Maintenance Mode
1-4-1 Maintenance mode............................................................................................................................... 1-4-1
(1) Executing a maintenance item ....................................................................................................... 1-4-1
(2) Maintenance modes item list .......................................................................................................... 1-4-2
(3) Contents of maintenance mode items ............................................................................................ 1-4-5
1-4-2 Management mode ............................................................................................................................ 1-4-54
(1) Using the management mode ...................................................................................................... 1-4-54
(2) Setting the job accounting ............................................................................................................ 1-4-55
(3) Copy default ................................................................................................................................. 1-4-56
(4) Machine default ............................................................................................................................ 1-4-58
(5) Bypass setting .............................................................................................................................. 1-4-60
(6) Checking the total counter and printing out the counter report..................................................... 1-4-60
(7) Status report print out ................................................................................................................... 1-4-60
(8) Language selection function ......................................................................................................... 1-4-60
1-5 Troubleshooting
1-5-1 Paper misfeed detection ...................................................................................................................... 1-5-1
(1) Paper misfeed indication ................................................................................................................ 1-5-1
(2) Paper misfeed detection conditions................................................................................................ 1-5-2
(3) Paper misfeeds............................................................................................................................... 1-5-7
1-5-2 Self-diagnosis..................................................................................................................................... 1-5-17
(1) Self-diagnostic function ................................................................................................................ 1-5-17
(2) Self-diagnostic codes ................................................................................................................... 1-5-18
1-5-3 Image formation problems ................................................................................................................. 1-5-26
(1) No image appears (entirely white). ............................................................................................... 1-5-27
(2) No image appears (entirely black). ............................................................................................... 1-5-27
(3) Image is too light. ......................................................................................................................... 1-5-28
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2DA/2DB-1
(4) Background is visible. ................................................................................................................... 1-5-28
(5) A white line appears longitudinally. .............................................................................................. 1-5-28
(6) A black line appears longitudinally. .............................................................................................. 1-5-29
(7) A black line appears laterally. ....................................................................................................... 1-5-29
(8) One side of the copy image is darker than the other. ................................................................... 1-5-29
(9) Black dots appear on the image. .................................................................................................. 1-5-30
(10) Image is blurred. ........................................................................................................................... 1-5-30
(11) The leading edge of the image is consistently misaligned with the original. ................................ 1-5-30
(12) The leading edge of the image is sporadically misaligned with the original. ................................ 1-5-31
(13) Paper creases. ............................................................................................................................. 1-5-31
(14) Offset occurs. ............................................................................................................................... 1-5-31
(15) Image is partly missing. ................................................................................................................ 1-5-32
(16) Fixing is poor. ............................................................................................................................... 1-5-32
(17) Image is out of focus. ................................................................................................................... 1-5-32
(18) Image center does not align with the original center. ................................................................... 1-5-33
1-5-4 Electrical problems ............................................................................................................................. 1-5-34
(1) The machine does not operate when the power switch is turned on............................................ 1-5-34
(2) The drive motor does not operate (C2000). ................................................................................. 1-5-34
(3) The registration motor does not operate. ..................................................................................... 1-5-34
(4) The exit motor does not operate................................................................................................... 1-5-34
(5) The scanner motor does not operate. .......................................................................................... 1-5-35
(6) Cooling fan motor 1 does not operate. ......................................................................................... 1-5-35
(7) Cooling fan motor 2 does not operate. ......................................................................................... 1-5-35
(8) Cooling fan motor 3 does not operate. ......................................................................................... 1-5-35
(9) The drawer drive motor* does not operate. .................................................................................. 1-5-35
(10) The paper feed clutch does not operate. ...................................................................................... 1-5-35
(11) The bypass paper feed clutch does not operate. ......................................................................... 1-5-35
(12) The drawer paper feed clutch* does not operate. ........................................................................ 1-5-36
(13) The cleaning lamp does not turn on. ............................................................................................ 1-5-36
(14) The exposure lamp does not turn on. ........................................................................................... 1-5-36
(15) The exposure lamp does not turn off. ........................................................................................... 1-5-36
(16) The fixing heater does not turn on (C6000). ................................................................................. 1-5-36
(17) The fixing heater does not turn off. ............................................................................................... 1-5-36
(18) Main charging is not performed. ................................................................................................... 1-5-36
(19) Transfer charging is not performed. ............................................................................................. 1-5-37
(20) No developing bias is output. ....................................................................................................... 1-5-37
(21) The original size is not detected. .................................................................................................. 1-5-37
(22) The original size is not detected correctly. ................................................................................... 1-5-37
(23) The message requesting paper to be loaded is shown when paper is present in the drawer 1. .. 1-5-37
(24) The message requesting paper to be loaded is shown when paper is present in the drawer 2*. 1-5-37
(25) The size of paper in the drawer 1 is not displayed correctly......................................................... 1-5-37
(26) The size of paper in the drawer 2* is not displayed correctly. ...................................................... 1-5-37
(27) A paper jam in the paper feed, paper conveying or fixing section is indicated when
the power switch is turned on. ...................................................................................................... 1-5-38
(28) The message requesting covers to be closed is displayed when the front cover and
left cover are closed. .................................................................................................................... 1-5-38
(29) Others. .......................................................................................................................................... 1-5-38
1-5-5 Mechanical problems ......................................................................................................................... 1-5-39
(1) No primary paper feed. ................................................................................................................. 1-5-39
(2) No secondary paper feed. ............................................................................................................ 1-5-39
(3) Skewed paper feed....................................................................................................................... 1-5-39
(4) The scanner does not travel. ........................................................................................................ 1-5-39
(5) Multiple sheets of paper are fed at one time.................................................................................. 1-5-39
(6) Paper jams. .................................................................................................................................. 1-5-39
(7) Toner drops on the paper conveying path. ................................................................................... 1-5-40
(8) Abnormal noise is heard. .............................................................................................................. 1-5-40
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2DA/2DB-1
1-6 Assembly and Disassembly
1-6-1 Precautions for assembly and disassembly ......................................................................................... 1-6-1
(1) Precautions..................................................................................................................................... 1-6-1
(2) Running a maintenance item .......................................................................................................... 1-6-2
1-6-2 Paper feed section ............................................................................................................................... 1-6-3
(1) Detaching and refitting the separation pulley ................................................................................. 1-6-3
(2) Detaching and refitting the forwarding pulley and paper feed pulley .............................................. 1-6-5
(3) Detaching and refitting the feed roller (20 ppm model only) ........................................................... 1-6-7
(4) Detaching and refitting the drawer separation pulley (20 ppm model only).................................... 1-6-8
(5) Detaching and refitting the drawer forwarding pulley and drawer paper feed pulley
(20 ppm model only)....................................................................................................................... 1-6-9
(6) Detaching and refitting the paper conveying unit ......................................................................... 1-6-11
(7) Detaching and refitting the bypass paper feed pulley and bypass separation pad ...................... 1-6-13
(8) Detaching and refitting the registration left roller .......................................................................... 1-6-15
(9) Detaching and refitting the registration cleaner ............................................................................ 1-6-15
(10) Adjustment after roller and clutch replacement ............................................................................ 1-6-16
(10-1) Adjusting the leading edge registration of image printing .................................................... 1-6-16
(10-2) Adjusting the leading edge registration for memory image printing..................................... 1-6-17
(10-3) Adjusting the center line of image printing........................................................................... 1-6-18
(10-4) Adjusting the trailing edge margin of image printing............................................................ 1-6-19
(10-5) Adjusting the margins for printing ........................................................................................ 1-6-20
(10-6) Adjusting the amount of slack in the paper.......................................................................... 1-6-21
1-6-3 Optical section.................................................................................................................................... 1-6-22
(1) Detaching and refitting the exposure lamp ................................................................................... 1-6-22
(2) Detaching and refitting the scanner wires .................................................................................... 1-6-23
(2-1) Detaching the scanner wires ............................................................................................... 1-6-23
(2-2) Fitting the scanner wires...................................................................................................... 1-6-25
(3) Detaching and refitting the ISU (reference) .................................................................................. 1-6-28
(4) Detaching and refitting the laser scanner unit .............................................................................. 1-6-29
(5) Adjusting the longitudinal squareness (reference) ....................................................................... 1-6-32
(6) Adjusting magnification of the scanner in the main scanning direction ........................................ 1-6-33
(7) Adjusting magnification of the scanner in the auxiliary scanning direction ................................... 1-6-34
(8) Adjusting the scanner leading edge registration........................................................................... 1-6-35
(9) Adjusting the scanner center line ................................................................................................. 1-6-36
(10) Adjusting the margins for scanning an original on the contact glass ............................................ 1-6-37
1-6-4 Drum section ....................................................................................................................................... 1-6-38
(1) Detaching and refitting the drum unit............................................................................................ 1-6-38
(2) Detaching and refitting the drum separation claws....................................................................... 1-6-39
(3) Detaching and refitting the main charger unit ............................................................................... 1-6-40
1-6-5 Developing section .............................................................................................................................. 1-6-41
(1) Detaching and refitting the developing unit .................................................................................. 1-6-41
1-6-6 Transfer section .................................................................................................................................. 1-6-42
(1) Detaching and refitting the transfer roller ..................................................................................... 1-6-42
1-6-7 Fixing section ...................................................................................................................................... 1-6-43
(1) Detaching and refitting the fixing unit ........................................................................................... 1-6-43
(2) Detaching and refitting the press roller ......................................................................................... 1-6-45
(3) Detaching and refitting the fixing heater M and S......................................................................... 1-6-46
(4) Detaching and refitting the heat roller separation claws ............................................................... 1-6-47
(5) Detaching and refitting the heat roller........................................................................................... 1-6-48
(6) Detaching and refitting the fixing thermostat ................................................................................ 1-6-49
(7) Detaching and refitting the fixing thermistor ................................................................................. 1-6-49
(8) Adjusting the fixing unit height (adjusting lateral squareness)...................................................... 1-6-50
1-7 Requirements on PCB Replacement
1-7-1 Upgrading the firmware on the main PCB............................................................................................ 1-7-1
1-7-2 Upgrading the printer board firmware .................................................................................................. 1-7-2
1-7-3 Adjustment-free variable resisters (VR) ............................................................................................... 1-7-3
1-7-4 Remarks on engine PCB or main PCB replacement ........................................................................... 1-7-3
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2DA/2DB-1
2-1 Mechanical construction
2-1-1 Paper feed section ............................................................................................................................... 2-1-1
2-1-2 Optical section...................................................................................................................................... 2-1-4
(1) Original scanning ............................................................................................................................ 2-1-5
(2) Image printing ................................................................................................................................. 2-1-6
2-1-3 Drum section ........................................................................................................................................ 2-1-8
2-1-4 Developing section ............................................................................................................................. 2-1-10
(1) Formation of magnetic brush ........................................................................................................ 2-1-11
(2) Single component developing system .......................................................................................... 2-1-12
2-1-5 Transfer and separation sections ....................................................................................................... 2-1-13
2-1-6 Fixing section ..................................................................................................................................... 2-1-15
(1) Fixing temperature system ........................................................................................................... 2-1-16
(2) Fixing temperature control based on ambient temperature .......................................................... 2-1-16
2-1-7 Exit and switchback sections ............................................................................................................. 2-1-17
2-1-8 Duplex section.................................................................................................................................... 2-1-18
(1) Paper conveying operation in duplex copying .............................................................................. 2-1-19
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ........................................................................................................................... 2-2-1
(1) PCBs .............................................................................................................................................. 2-2-1
(2) Switches and sensors..................................................................................................................... 2-2-2
(3) Motors............................................................................................................................................. 2-2-4
(4) Other electrical components ........................................................................................................... 2-2-5
2-3 Operation of the PCBs
2-3-1 Power source PCB ............................................................................................................................... 2-3-1
2-3-2 Main PCB ............................................................................................................................................. 2-3-4
2-3-3 Engine PCB.......................................................................................................................................... 2-3-8
2-3-4 Printer board PCB .............................................................................................................................. 2-3-14
2-3-5 Operation unit PCB ............................................................................................................................ 2-3-18
2-3-6 CCD PCB ........................................................................................................................................... 2-3-21
2-4 Appendixes
Timing chart No. 1 .......................................................................................................................................... 2-4-1
Timing chart No. 2 .......................................................................................................................................... 2-4-2
Timing chart No. 3 .......................................................................................................................................... 2-4-3
Timing chart No. 4 .......................................................................................................................................... 2-4-4
Chart of image adjustment procedures .......................................................................................................... 2-4-5
Maintenance parts list .................................................................................................................................... 2-4-8
Periodic maintenance procedures .................................................................................................................. 2-4-9
General wiring diagram ................................................................................................................................ 2-4-11
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2DA/2DB
1-1-1
1-1-1 Specifications
Type ...............................................Desktop
Copying system..............................Indirect electrostatic system
Originals ......................................... Sheets, books and 3-dimensional objects (Maximum original size: A3/11" × 17")
Original feed system ...................... Fixed
Copy paper.....................................Paper weights
Drawer: 60 – 105 g/m
2
Bypass table: 45 – 160 g/m
2
Paper type
Drawer: Plain paper, recycled paper and colored paper
Bypass table: Plain paper, recycled paper, thin paper, thick paper and colored paper
Copying sizes.................................Maximum: A3/11" × 17"
Minimum: A6R /5
1
/2" × 81/2"
Magnification ratios ........................Manual mode: 25 – 200%, 1% increments
Copy speed .................................... At 100% magnification in copy mode:
16 ppm model
A4: 16 copies/min.
A4R: 13 copies/min.
A3: 8 copies/min.
A5R: 10 copies/min.
A6R: 10 copies/min.
B5: 16 copies/min.
B5R: 13 copies/min.
B4 (257 × 364 mm): 8 copies/min.
11" × 8
1
/2": 16 copies/min.
8
1
/2" × 11": 13 copies/min.
11" × 17": 8 copies/min.
81/2" × 14": 8 copies/min.
First copy time................................5.9 s or less (A4/11" × 8
1
/2")
Warm-up time.................................Less then 20 s (room temperature 23°C/73.4°F, 50% RH)
Time for recovery from low power mode: 10 s
Time for recovery from sleep mode: 20 s
Paper feed system .........................Automatic feed
Capacity:
Drawers: 300 sheets (80 g/m
2
)
100 sheets (90 – 105 g/m
2
)
Manual feed
Capacity:
Bypass: 50 sheets (A4/11" × 8
1
/2" or less)
25 sheets (A3, B4, 11" × 17", 81/2" × 14")
Paper ejection system....................In-machine ejection (face down)
Capacity: 250 sheets (80 g/m
2
)
Continuous copying........................1 – 999 sheets
Photoconductor .............................. OPC (drum diameter 30 mm)
Charging system ............................Single positive corona charging
Recording system .......................... Semiconductor laser
Developing system.........................Single component developing system
Toner: magnetism toner
Toner replenishing: automatic from a toner container
Transfer system ............................. Transfer roller
Separation system ......................... Curvature separation and separation electrode
Fixing system .................................Heat roller
Heat source: halogen heaters (120 V specifications:main 550 W, sub 400W/ 220-240
V specifications: main 590 W, sub 430 W)
Control temperature: 170°C/338°F (180°C/356°F on and after 6th sheet)
Abnormally high temperature protection device: 180°C/356°F thermostat
Fixing pressure: 44.1 N
Charge erasing system ..................Exposure by cleaning lamp
Cleaning system.............................Cleaning blade
Scanning system............................Flat bed scanning by CCD image sensor
Bitmap memory .............................. 35 MB (standard)
Image storage memory ..................29 MB (standard)
20 ppm model
A4: 20 copies/min.
A4R: 13 copies/min.
A3: 10 copies/min.
A5R: 10 copies/min.
A6R: 10 copies/min.
B5: 20 copies/min.
B5R: 13 copies/min.
B4 (257 × 364 mm): 11 copies/min.
11" × 8
1
/2": 20 copies/min.
81/2" × 11": 13 copies/min.
11" × 17": 10 copies/min.
8
1
/2" × 14": 11 copies/min.
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2DA/2DB
1-5-2
(2)Paper misfeed detection conditions
Figure 1-5-2
ESW
FSSW
RSW
PFCL
RM
DUPPCSW
DUPFCL
BYPPFSOL
PCSW
DPTSW
OSBSW
OCM OFM
DPFCL1
DFSW1
DFSW2
DPFCL2
DPFCL3
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2DA/2DB
1-5-3
Section Jam code Description Conditions
System
Paper feed
section
Paper conveying
section
00
04
05
10
11
12
13
14
15
16
20
21
No paper feed
Cover open JAM
Secondary paper feed
timeout
No paper feed from the
bypass tray
No paper feed from the
drawer 1 (drawer)
No paper feed from the
drawer 2*
2
(first paper
feeder)
No paper feed from the
drawer 3*
1
(second paper
feeder)
No paper feed from the
drawer 4*
1
(third paper
feeder)
Misfeed in vertical paper
conveying 1
Misfeed in vertical paper
conveying 2
Multiple sheets in the bypass tray
Multiple sheets in the
drawer 1 (drawer)
When the power switch is turned on, the machine detects
activation of the registration switch (RSW), the exit switch
(ESW) or the feedshift switch (FSSW).
A cover open state is detected during copying.
When the machine waits for secondary paper feed, 30 s or
more have elapsed.
The registration switch (RSW) does not turn on within 1680
ms of the bypass paper feed solenoid (BYPPFSOL) turning
on; the solenoid is then successively held off for 1 s and
turned back on once, but the switch again fails to turn on
within 1680 ms.
The registration switch (RSW) does not turn on within 1430
ms of the paper feed clutch (PFCL) turning on; the clutch is
then successively held off for 1 s and turned back on once,
but the switch again fails to turn on within 1430 ms.
The registration switch (RSW) does not turn on within 2780
ms of the drawer paper feed clutch 1 (DPFCL1)*
2
turning on;
the clutch is then successively held off for 1 s and turned
back on once, but the switch again fails to turn on within
2780 ms.
The drawer feed switch 1 (DFSW1)*
2
does not turn on within
2490 ms of the drawer paper feed clutch 2 (DPFCL2)*
1
turning on; the clutch is then successively held off for 1 s and
turned back on once, but the switch again fails to turn on
within 2490 ms.
The drawer feed switch 2 (DFSW2)*
1
does not turn on within
2490 ms of the drawer paper feed clutch 3 (DPFCL3)*
1
turning on; the clutch is then successively held off for 1 s and
turned back on once, but the switch again fails to turn on
within 2490 ms.
The registration switch (RSW) does not turn on within 2340
ms of drawer feed switch 1 (DFSW1)*
2
turning on.
The drawer feed switch 1 (DFSW1)*2 does not turn off within
2050 ms of drawer feed switch 2 (DFSW2)*
1
turning on.
The drawer feed switch 1 (DFSW1)*2 does not turn off within
2050 ms of drawer feed switch 2 (DFSW2)*
1
turning off.
The drawer feed switch 1 (DFSW1)*2 does not turn on within
2050 ms of drawer feed switch 2 (DFSW2)*
1
turning on.
The registration switch (RSW) does not turn off within 6320
ms of registration switch (RSW) turning on.
The registration switch (RSW) does not turn off within 1680
ms of bypass paper feed solenoid (BYPPFSOL) turning on.
The registration switch (RSW) does not turn off within 6320
ms of registration switch (RSW) turning on.
The registration switch (RSW) does not turn off within 1430
ms of paper feed clutch (PFCL) turning on.
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
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Page 9
PARTS LIST
Published in Sept.’04
2DA70951
Revision 1
CS-1650/2050
Includes: DP-410
PF-410
JS-410
DF-410
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Page 10
-
1
-
CONTENTS
FIG. 1 EXTERIOR COVERS................................................. 2
FIG. 2 FRAMES.....................................................................4
FIG. 3 EXTERIOR COVERS (2050)...................................... 6
FIG. 4 PAPER FEED SECTION (2050)................................. 8
FIG. 5 CASSETTE...............................................................10
FIG. 6 CONVEYING SECTION...........................................12
FIG. 7 PAPER FEED SECTION................... ....................... 14
FIG. 8 BYPASS SECTION .................................................. 16
FIG. 9 EXIT SECTION.........................................................18
FIG. 10 SCANNER SECTION................................................20
FIG. 11 IMAGING UNIT .........................................................22
FIG. 12 FUSER UNIT.............................................................24
FIG. 13 DRIVING & COOLING SECTION .............................26
FIG. 14 ELECTRICAL COMPONENTS .................................28
FIG. 15 OPERATION UNIT....................................................30
FIG. 16 OPTION I (ORIGINAL HOLDER)..............................32
FIG. 17 OPTION II & TOOL ...................................................34
• INDEX ...................................................................36
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Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
Copystar CS-1650 2050 sm_04.pdf
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