Brother CP1800- User Manual

II - 2 2.2 MECHANISMS The machine consists of the following three mechanisms and sensors: n Scanner Mechanism (Copyboard) - Scrolling the copyboard screen- Scanning the copyboard screen n Thermal Printing Mechanism (Printer) - Printing image drawn on the copyboard screen and feeding recording paper ...

II - 4 2.2.2 Thermal printing mechanism The thermal printing mechanism in the printer consists of the thermal recording head, platen, anti-curl system (ACS) plate, and paper compartment cover. The heat-sensitive recording paper is routed between the paper guide bar and ACS plate to therecording head...

II - 5 2.2.3 Sensors This machine has three sensors--PE/cover sensor (photosensor), thermistor in the thermalrecording head, and left-hand CIS unit acting as a home position detector of the copyboard screen. The PE/cover sensor is located on the PE/cover sensor PCB secured to the recorder frame. Itd...

CHAPTER III . DISASSEMBLY/REASSEMBLY AND LUBRICATION

i CHAPTER III . DISASSEMBLY/REASSEMBLY AND LUBRICATION CONTENTS 3.1 DISASSEMBLY/REASSEMBLY ........................................................................... III -1 n Safety Precautions.............................................................................................. III -1 n Ti...

ii [ 3 ] Removing the lower pipe and WB motor ............................................... III -29 Removing the lower corner plates and lower frame ............................... III -29 Removing the pipe holder stoppers, pipe spacer L, lower pipe andits holders ....................................

III - 1 3.1 DISASSEMBLY/REASSEMBLY n n Safety Precautions To prevent the creation of secondary problems by mishandling, observe the following precautionsduring maintenance work. (1) Turn the power off and unplug the AC cord from the power outlet before accessing parts or units inside the machine. Wh...

III - 2 n n Tightening Torque List Location Screw type Q'ty Tightening torque (N • m) PRINTER Platen stopper Taptite, pan B M4x20 1 0.69 ± 0.1 Platen frames R and L Taptite, bind B M4x12 4 0.98 ± 0.2 Printer support Taptite, cup S M3x6 2 0.69 ± 0.1 Taptite, bind B M4x12 2 0.98 ± 0.2 Sub cover Taptit...

III - 3 n n Preparation Prior to proceeding to the disassembly procedure, (1) Unplug - the AC cord and AC adapter and- the optional PC interface cable if connected. (Not shown below.) (2) Remove the tray and recording paper. (3) CP2000/CB200: Take down the assembly of the copyboard and printer from ...

III - 8 [ 2 ] Removing the components from the paper compartment cover Removing the paper guide bar and platen (1) If the printer base unit has not been removed, open the paper compartment cover by pulling up its latch. (2) Remove the retaining ring (E2) from each end of the paper guide bar, then re...

III - 9 Removing the lock shaft and paper compartment latch (6) At the right end of the lock shaft, remove the lock lever by unlatching the pawls in the direction of arrows • and pulling the lock lever outwards (arrow ‚ ) and then unhook the lock lever spring from the platen frame R. (7) Move the lo...

III - 10 Removing the paper stoppers and platen frames (8) Remove two screws from the platen frame R and take out the platen frame R together with the hinge spring, paper stopper R and its spring. (9) Remove two screws from the platen frame L and take out the platen frame L together with the paper s...

III - 12 [ 3 ] Removing the components from the printer base unit Removing the printer support (1) Take off the printer support from the printer base unit by removing the four screws. NOTE: After removing the printer support, take care not to bend the grounding spring R.

III - 13 Removing the sub cover and control panel PCB (2) Take off the sub cover by removing the screw. (3) Disconnect the panel harness from the main PCB. Only when you need to replace the panel cover or control panel PCB, perform steps (4) through(6). (4) Peel off the panel sheet. NOTE: Once remov...

III - 14 Removing the main PCB and its bracket (7) Disconnect the following harnesses from the main PCB while holding down the main PCB: - Recording head signal harness- Sensor harness- Panel harness (if connected)- Printer motor harness- Recording head power harness

III - 17 Removing the drive unit and hinge plate L (12) Remove two screws from the drive unit. (13) Slightly lift up the drive unit and disconnect the printer motor harness from the motor. NOTE: After removing the drive unit, take care not to drop the grounding spring L. (14) Take off the motor cove...

III - 21 • After reassembly, make sure that the harnesses are routed as shown below. Removing the films NOTE: Once removed, the films will become unusable and new ones will have to be put back in. (25) Remove the films as shown below. n n Reassembling notes • Attach the adhesive face of each film to...

III - 22 3.1.2 Disassembly of Copyboard [ 1 ] Removing the CIS units Removing the upper cover, corner covers, CIS protector, and upper support frame (1) Remove the upper cover (three shoulder screws). (2) Remove the corner covers A and B (two flat S screws, M3x10 from each cover). (3) Remove the CIS...

III - 23 Removing the CIS frame and CIS units (5) Remove the CIS frame (two cup S taptite screws, M3x10 from its each end). (6) Pivot up the CIS frame as shown below, remove the three harness sponges, disconnect the three CIS harnesses from the CIS units, and then lift up the CIS frame. NOTE: When h...

III - 26 [ 2 ] Removing the relay PCB and printer-copyboard interface cable Removing the lower cover, corner covers, CIS protector, and lower support frame (1) Remove the lower cover (three shoulder screws). (2) Remove the corner covers A and B (two flat S screws, M3x10 from each cover). (3) Remove ...

III - 29 n n Reassembling notes • Before connecting each of the CIS harnesses to the relay PCB, be sure to fit its ferrite coreover the cable clip. As shown on page III-27, in the order of the blue, yellow, and red CISharnesses, fit their ferrite cores over the cable clip and then connect those harn...

III - 33 Removing the WB motor (9) Remove the WB motor (two pan screws with S/P washer, M3x6DB) from the lower pipe holder L. n n Reassembling notes • When securing the WB motor to the lower pipe holder L, first tighten a screw in the smallerscrew hole. • Before securing the lower corner plates R an...

III - 40 3.2 LUBRICATION Apply the specified lubricant to the lubrication points as shown below. Lubricant type (Manufacturer): Molykote grease EM-30L or EM-30LG (Dow Corning) Lubricant amount: Rice-sized pinch of grease (6 mm 3 ) [ 1 ] Joints between the platen shaft and its bushings [ 2 ] WB motor...

III - 41 [ 3 ] Lower pipe holder L [ 4 ] Lower pipe holder R

CHAPTER IV . MAINTENANCE MODE CONTENTS 4.1 ENTRY INTO THE MAINTENANCE MODE .......................................................... IV -1 4.2 LIST OF MAINTENANCE-MODE FUNCTIONS .................................................... IV -2 4.3 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS ..........

IV - 1 4.1 ENTRY INTO THE MAINTENANCE MODE To make the machine enter the maintenance mode: (1) Open the paper compartment cover. The PAPER LED comes on. (2) Hold down the following two keys at the same time for at least 15 seconds: - COPY ALL and FEED keys or - COPY and FEED keys Which key combinati...

IV - 3 4.3 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS 4.3.1 Setting of the scanning compensation parameters stored in the EEPROM (involving homepositioning of the copyboard screen) [Function code 55] n n Function The machine performs home-positioning of the copyboard screen (using black HP m...

IV - 5 4.3.3 Automatic setting of the scanning compensation parameters stored in the EEPROM[Function code 02] n n Function This function allows you to make automatic setting of the scanning compensation parameters sothat the machine will automatically start home-positioning of the copyboard screen a...

CONTENTS 5.1 ERROR INDICATION ........................................................................................... V -1 5.1.1 Intermittent Errors ..................................................................................... V -1 5.1.2 Fatal Errors ........................................

V - 3 5.2 TROUBLESHOOTING 5.2.1 Introduction This section gives the service personnel some of the troubleshooting procedures to be followed ifan error or malfunction occurs with the machine. It is impossible to anticipate all of the possibleproblems which may occur in future and determine the troubl...

V - 4 Sample Read This First User Setup Guide for Repaired Machine Thank you very much for your patronage. We have repaired your printer and are sending it backto you. To ensure you get the most out of the performance in the machine, follow all instructions givenbelow. (1) Clean the whole surface of...

CP1800/CP2000/CB200 APPENDIX Circuit Diagrams A. Main PCB B. Relay PCB