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Make/Model Information:

  • Brand:   Copystar
  • Models included:
    • CopyStar CS-2550

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   340
  • File size:  ∼ 21.10  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMCR-1005

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SERVICE
MANUAL
Published in July ’05
2FT70943
Revision 3
CS-2550
CONTENTS
1-1 Specifications
1-1-1 Specifications
1-1-2 Parts names
(1) MFP
(2) Operation panel
1-1-3 Machine cross section
1-1-4 Drive system
1-2 Handling Precautions
1-2-1 Drum
1-2-2 Toner
1-2-3 Installation environment
1-3 Installation
1-3-1 Unpacking and installation
(1) Installation procedure
1-3-2 Setting initial copy modes
1-3-3 Installing the paper feeder (option)
1-3-4 Installing the DP (option)
1-3-5 Installing the duplex unit (option)
1-3-6 Installing the drawer heater (option)
1-3-7 Installing the key counter (option)
1-3-8 Installing the finisher (option)
1-3-9 Installing the job separator (option)
1-3-10 Installing the fax system (option)
1-3-11 Installing the scan system (option)
1-3-12 Installing the hard disk (option)
1-4 Maintenance Mode
1-4-1 Maintenance mode
(1) Executing a maintenance item
(2) Maintenance modes item list
(3) Contents of the maintenance mode items
1-4-2 Management mode
(1) Using the management mode
(2) Setting the job accounting
(3) Copy default
(4) Machine default
(5) Bypass setting
(6) Checking the total counter and printing out the counter report
(7) Status report print out
(8) Language selection function
1-5 Troubleshooting
1-5-1 Paper misfeed detection
(1) Paper misfeed indication
(2) Paper misfeed detection conditions
(3) Paper misfeeds
1-5-2 Self-diagnosis
(1) Self-diagnostic function
(2) Self diagnostic codes
1-5-3 Image formation problems
(1) No image appears (entirely white)
(2) No image appears (entirely black)
(3) Image is too light.
(4) Background is visible
(5) A white line appears longitudinally.
(6) A black line appears longitudinally.
(7) A black line appears laterally
(8) One side of the copy image is darker than the other
(9) Black dots appear on the image
(10) Image is blurred
(11) The leading edge of the image is consistently misaligned with the original.
(12) The leading edge of the image is sporadically misaligned with the original
(13) Paper creases.
(14) Offset occurs.
(15) Image is partly missing
(16) Fixing is poor
(17) Image is out of focus.
(18) Image center does not align with the original center
1-5-4 Electric problems
(1) The machine does not operate when the power switch is turned on.
(2) The drive motor does not operate (C2000).
(3) The registration motor does not operate.
(4) The exit motor does not operate.
(5) The scanner motor does not operate
(6) Cooling fan motor 1 does not operate
(7) Cooling fan motor 2 does not operate
(8) Cooling fan motor 3 does not operate
(9) Cooling fan motor 4 does not operate
(10) Toner motor does not operate
(11) The drawer drive motor does not operate.
(12) The paper feed clutch does not operate
(13) The bypass paper feed solenoid does not operate.
(14) The drawer paper feed clutch doesnot operate
(15) The cleaning lamp does not turn on
(16) The exposure lampdoes not turn on
(17) The exposure lampdoes not turn off
(18) The fixing heater does not turn on (C6000)
(19) The fixing heater does not turn off
(20) Main charging is notperformed
(21) Transfer charging is not performed.
(22) No developing bias is output.
(23) The original size is not detected
(24) The original size is not detected correctly.
(25) The message requesting paper to be loaded is shown when paper is present in the drawer 1
(26) The message requesting paper to be loaded is shown when paper is present in the drawer 2
(27) The size of paper in the drawer 1 is not displayed correctly.
(28) The size of paper in the drawer 2 is not displayed correctly.
(29) A paper jam in the paper feed, paper conveying or fixing section is indicated when
the power switch is turned on
(30) The message requesting covers to be closed is displayed when the front cover and
left cover are closed.
(31) Others
1-5-5 Mechanical problems
(1) No primary paper feed
(2) No secondary paper feed
(3) Skewed paper feed.
(4) The scanner does not travel
(5) Multiple sheets of paper are fed at one time.
(6) Paper jams.
(7) Toner drops on the paper conveying path
(8) Abnormal noise is heard
1-6 Assembly and Disassembly
1-6-1 Precautions for assembly and disassembly
(1) Precautions
(2) Running a maintenance item
1-6-2 Paper feed section
(1) Detaching and refitting the separation pulley
(2) Detaching and refitting the forwarding pulley and paper feed pulley
(3) Detaching and refitting the feed roller
(4) Detaching and refitting the drawer separation pulley
(5) Detaching and refitting the drawer forwarding pulley and drawer paper feed pulley
(6) Detaching and refitting the paper conveying unit
(7) Detaching and refitting the bypass paper feed pulley and bypass separation pad
(8) Detaching and refitting the registration left roller
(9) Detaching and refitting the registration cleaner
(10) Adjustment after roller and clutch replacement
(10-1) Adjusting the leading edge registration of image printing
(10-2) Adjusting the leading edge registration for memory image printing
(10-3) Adjusting the center line of image printing
(10-4) Adjusting the trailing edge margin of image printing
(10-5) Adjusting the margins for printing
(10-6) Adjusting the amount of slack in the paper
1-6-3 Optical section
(1) Detaching and refitting the exposure lamp
(2) Detaching and refitting the scanner wires
(2-1) Detaching the scanner wires
(2-2) Fitting the scanner wires
(3) Detaching and refitting the ISU (reference)
(4) Detaching and refitting the laser scanner unit
(5) Adjusting the longitudinal squareness (reference)
(6) Adjusting magnification of the scanner in the main scanning direction
(7) Adjusting magnification of the scanner in the auxiliary scanning direction
(8) Adjusting the scanner leading edge registration
(9) Adjusting the scanner center line
(10) Adjusting the margins for scanning an original on the contact glass
1-6-4 Drum section
(1) Detaching and refitting the drum unit
(2) Detaching and refitting the drum separation claws
(3) Detaching and refitting the main charger unit
1-6-5 Developing section
(1) Detaching and refitting the developing unit
1-6-6 Transfer section
(1) Detaching and refitting the transfer roller
1-6-7 Fixing section
(1) Detaching and refitting the fixing unit
(2) Detaching and refitting the press roller
(3) Detaching and refitting the fixing heater M and S
(4) Detaching and refitting the heat roller separation claws
(5) Detaching and refitting the heat roller
(6) Detaching and refitting the fixing thermostat
(7) Detaching and refitting the fixing thermistor
(8) Adjusting the fixing unit height (adjusting lateral squareness)
1-7 Requirements on PWB Replacement
1-7-1 Upgrading the firmware on the main PCB
1-7-2 Upgrading the printer board firmware
1-7-3 Adjustment-free variable resistors (VR)
1-7-4 Remarks on PCBs replacement
2-1 Mechanical construction
2-1-1 Paper feed section
2-1-2 Optical section
(1) Original scanning
(2) Image printing
2-1-3 Drum section
2-1-4 Developing section
(1) Formation of magnetic brush
(2) Single component developing system
2-1-5 Transfer and separation sections
2-1-6 Fixing section
(1) Fixing temperature system
(2) Fixing temperature control based on ambient temperature
2-1-7 Exit and switchback sections
2-1-8 Duplex section
(1) Paper conveying operation in duplex copying
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PCBs
(2) Switches and sensors
(3) Motors
(4) Other electrical components
2-3 Operation of the PWBs
2-3-1 Power source PCB
2-3-2 Main PCB
2-3-3 Engine PCB
2-3-4 Printer board PCB
2-3-5 Operation unit PCB
2-3-6 CCD PCB
2-4 Appendixes
Timing chart No.1
Timing chart No.2
Timing chart No.3
Timing chart No.4
Chart of image adjustment procedures
Maintenance parts list
Periodic maintenance procedures
General wiring diagram
2FT-3.0
1-1 Specifications 1-1-1 Specifications
Copying system
Originals
Original feed system
Copy paper
Drawer: 60 - 105 g/m2
Bypass table: 45 - 160 g/m2
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
Minimum: A6R /5 1/2" x 8 1/2"
Magnification ratios
Copy speed
A4: 25 copies/min.
A4R: 15 copies/min.
A3: 13 copies/min.
A5R: 12 copies/min.
A6R: 11 copies/min.
B5: 25 copies/min.
B5R: 15 copies/min.
B4 (257 x 364 mm): 13 copies/min.
11" x 8 1/2": 25 copies/min.
8 1/2" x 11": 15 copies/min.
11" x 17": 13 copies/min.
8 1/2" x14": 13 copies/min.
First copy time
Warm-up time
Time for recovery from low power mode: 10 s
Time for recovery from sleep mode: 20 s
Paper feed system
Capacity:
Drawers: 300 sheets (80 g/m2)
100 sheets (90 - 105 g/m2)
Manual feed
Capacity:
Bypass: 50 sheets (A4/11" x 8 1/2" or less)
25 sheets (A3, B4, 11" x 17", 8 1/2" x 14")
Paper ejection system
Capacity: 250 sheets (80 g/m2)
Continuous copying
Photoconductor
Charging system
Recording system
Developing system
Toner: magnetism toner
Toner replenishing: automatic from a toner container
Transfer system
Separation system
Fixing system
Heat source: halogen heaters (120 V specifications: main 550 W, sub 400W/ 220-240
V specifications: main 600 W, sub 430 W)
Control temperature: 180 C/356 F (190 C/374 F on and after 6th sheet)
Abnormally high temperature protection device: 180 C/356 F thermostat
Fixing pressure: 44.1 N
Charge erasing system
Cleaning system
Scanning system
Bitmap memory
Image storage memory
Additional memory
2FT-3.0
Resolution
Light source
Dimensions
22 5/8" (W) x 23 3/8" (D) x 25 9/16" (H)
Floor requirements
32 5/8" (W) x 23 3/8" (D) (at the time of using bypass table)
Functions
tion, zoom function, Duplex copy, Divided copy, Binding margin, Border width, Aggre-
gate copy, Sort copy, Eco-copy, Copy program and Section management mode
Power source
220 - 240 V AC, 50 Hz, 5.0 A
Options
fax system, network scanner, hard disk, additional memory and original cover
Printer functions
Printing speed
First print time
Resolution
Additional memory: 32 MB, 64 MB, 128 MB and 256 MB
Hard disk: 340 MB, 512 MB and 1 GB
Applicable OS
Apple Macintosh OS 9.x/OS X 10.x
UNIX/Linux
Interface
Network interface
USB 2.0 (USB Hi-Speed)
Network interface card (option)
Duplex unit
Copy paper
Paper type: Plain paper, recycled paper and colored paper
Paper sizes
Power source
Dimensions
14 1/2" (W) x 2 1/16" (D) x 7 1/16" (H)
Section Jam code Description Conditions
System 00 No paper feed When the power switch is turned on, the machine detects acti-
vation of the registration switch (RSW), the exit switch (ESW)
or the feedshift switch (FSSW).
04 Cover open JAM A cover open state is detected during copying.
05 Secondary paper feed
timeout
When the machine waits for secondary paper feed, 30 s or
more have elapsed.
Paper feed
section
10 No paper feed from the
bypass tray
The registration switch (RSW) does not turn on within 1323 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 1323
11 No paper feed from the
drawer 1 (drawer)
The registration switch (RSW) does not turn on within 1126 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 1126 ms.
12 No paper feed from the
drawer 2 (first paper
feeder)
The registration switch (RSW) does not turn on within 2189 ms
of the drawer paper feed clutch 1 (DPFCL1) 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 2189 ms.
13 No paper feed from the
drawer 3* (second paper
feeder)
The drawer feed switch 1 (DFSW1) does not turn on within
1961 ms of the drawer paper feed clutch 2 (DPFCL2)* 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 1961
14 No paper feed from the
drawer 4* (third paper
feeder)
The drawer feed switch 2 (DFSW2)* does not turn on within
1961 ms of the drawer paper feed clutch 3 (DPFCL3)* 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 1961
15 Misfeed in vertical paper
conveying 1
The registration switch (RSW) does not turn on within 1843 ms
of drawer feed switch 1 (DFSW1) turning on.
The drawer feed switch 1 (DFSW1) does not turn off within
1614 ms of drawer feed switch 2 (DFSW2)* turning on.
The drawer feed switch 1 (DFSW1) does not turn off within
1614 ms of drawer feed switch 2 (DFSW2)* turning off.
16 Misfeed in vertical paper
conveying 2
The drawer feed switch 1 (DFSW1) does not turn on within
1614 ms of drawer feed switch 2 (DFSW2)* turning on.
conveying
section
20 Multiple sheets in the
bypass tray
The registration switch (RSW) does not turn off within 4976 ms
of registration switch (RSW) turning on.
The registration switch (RSW) does not turn off within 1323 ms
of bypass paper feed solenoid (BYPPFSOL) turning on.
21 Multiple sheets in the
drawer 1 (drawer)
The registration switch (RSW) does not turn off within 4976 ms
of registration switch (RSW) turning on.
The registration switch (RSW) does not turn off within 1126 ms
of paper feed clutch (PFCL) turning on.
*: Optional.
PARTS LIST
Published in July ’05
2FT70953
Revision 3
CS-2550
Includes: DP-410
DF-410
Fax System (L)
CONTENTS
FIG. 1 Exterior Covers
FIG. 2 Frames
FIG. 3 Exterior Covers (Lower Cassette)
FIG. 4 Paper Feed Section (Lower Cassette)
FIG. 5 Cassette
FIG. 6 Conveying Section
FIG. 7 Paper Feed Section
FIG. 8 Bypass Section
FIG. 9 Exit Section
FIG. 10 Scanner Section
FIG. 11 Imaging Unit
FIG. 12 Fuser Unit
FIG. 13 Driving & Cooling Section
FIG. 14 Electrical Components
FIG. 15 Operation Unit
FIG. 16 Option I (Original Holder)
FIG. 17 Option II & Tool & Maintenance Kits
FIG. 18 Option III (DU-410)
INDEX


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