1. Manuals
  2. Brands
  3. Oki Manuals
  4. Printer
  5. PACEMARK 4410
  6. Service handbook

Oki Pacemark 4410 Service Handbook

Hide thumbs Also See for Pacemark 4410:
Table of Contents

Advertisement

Quick Links

See also: Service Manual , Maintenance Manual
PACEMARK 4410
PRINTER
SERVICE HANDBOOK

Advertisement

Table of Contents
loading

Related Manuals for Oki Pacemark 4410

Summary of Contents for Oki Pacemark 4410

  • Page 1 PACEMARK 4410 PRINTER SERVICE HANDBOOK...
  • Page 2 PREFACE This maintenance manual describes how to maintain the Pacemark 4410 printer in the field. This manual is for customer engineers. For further information, refer to the Users Manual for handling or operating the equipment. 40496501TH Draft Version...

  • Page 3: Table Of Contents

    CONTENTS 1. CONFIGURATION ..................5 1.1 Basic System Configuration............... 5 1.2 Printer Specifications ................. 6 1.3 Option Specifications ................. 7 1.4 Basic Specifications ................8 2. THEORY OF OPERATION ................ 11 2.1 Electrical Operation ................11 2.1.1 Summary ....................11 2.1.2 Microprocessor and the peripheral circuit ..........
  • Page 4 3.3.13 Head Cooling Fan 1 ................66 3.3.14 Head Cooling Fan 2 ................67 3.3.15 Space Motor .................... 68 3.3.16 Operator Board (POA Printed Board) ............69 3.3.17 Ribbon Feed Assy ................... 70 3.3.18 Printing Head ................... 71 3.3.19 Head Cable ..................... 72 3.3.20 Ribbon Protector ..................

  • Page 5: Configuration

    CONFIGURATION Basic System Configuration The basic system configuration of Pacemark 4410 is illustrated in Figure 1.1. Inter lock SW 40496501TH Draft Version...

  • Page 6: Printer Specifications

    Printer Specifications This printer unit is composed with the following hardware. • Printer mechanism • Main control/Motor driver board • Head driver board • Interface/Motor/Sensor board (including IEEE 1284 bidirectional parallel interface and RS- 232C serial interface) • Motor/Sensor and AG sensor boards •...

  • Page 7: Option Specifications

    Option Specifications Options available for Pacemark 4410 are as follows. (1) Interface boards (a) Oki-HSP (MUPIS) Network card (b) 300/500 Series Serial/ HSP Adapter • RS232C • RS422A • Current Loop 40496501TH Draft Version...

  • Page 8: Basic Specifications

    Basic Specifications (1) Dimensions Width: 768mm(30.24inches) Length: 385mm(15.16inches) Height: 358mm(14.09inches) (2) Weight Approx. 42kg (92.6lbs) (3) Form Continous Paper One-part paper Ream weight: 45 to 90g/m (12 to 24 lb) Multiple-part paper Max.0.79mm(0.031inches)total thickness(with front feed) Max.0.36mm(0.014inches)total thickness(with rear feed) Paper type Ream weight Number of sheet...
  • Page 9 (5) Maximum Number of Dot Columns per Line a) Graphics Single Density Double Density Quadruple Density 1,632 3,264 b) Text Print Mode Character Pitch (CP) 10 CPI 12 CPI 15 CPI 17.1 CPI 20 CPI ML, EPSON, IBM UTILITY 1,632 1,958 2,448 2,798...
  • Page 10 Packing : 12" Drop (14) Noise The 8-second average noise is Max. 55 dBA in quiet utility mode. (ISO 7779) (15) Ribbon Genuine OKI cartridge ribbon Ink color : Black Ribbon life : Approximately 15 million characters (Characters in Utility mode)

  • Page 11: Theory Of Operation

    THEORY OF OPERATION Electrical Operation The electrical operation of the printer circuit is described in this section. 2.1.1 Summary Fig. 2-1 shows the block diagram of the printer. The control board is made up of the microprocessors, peripheral circuits, drive circuits, sensors and interface connectors.
  • Page 12 Figure 2.1 40496501TH Draft Version...
  • Page 13 (2) PG ROM (IC46) This is a 256 x16 bits (4M bit) EPROM with the control program for the printer stored. The MPU executes instructions under this program. The program ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU.
  • Page 14 (3) DRAM(IC28) The RAM is CMOS dynamic RAM with (256K x 16 bit) configuration, and used as buffers (such as receiving buffer, printing buffer, DLL buffer and working buffer). The following shows the examples of the memory access operation. NHDC LSI DRAM A16~BHE DRAMA0~A9...
  • Page 15 (4) CG ROM (IC48) This is a 256K x 16 bits (4M bits) EPROM with the font data for the characters stored. CG ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU.
  • Page 16 (5) EEPROM(IC40) The EEPROM is a CMOS serial I/O type memory which is capable of electrically erasing and writing 1,024 bits. The EEPROM contains menu data. The following shows the memory access operation. NHDC LSI EEPROM EEPROMWR-P EEPROMCS-P EEPROMRD-P EEPROMCLK-P PRE = O Read cycle timing (READ) PE = X...
  • Page 17 (6) Main LSI (IC38: MSM91U036) MSM91U036 is control LSI for head data, DC motor and modification of print data, which has the following functions. (a) Head data control It distributes print data stored in the DRAM over wire arrangements of the print head and outputs it as dot data in synchronism with print timing.
  • Page 18 Main LSI A16~BHE AD0~AD15 MPU CLOCK A16~BHE A16~BHE AD0~AD15 A0–A15 D0–D15 AD0~AD15 A0–A15 D0–D15 Figure 2.6 40496501TH Draft Version...
  • Page 19 (7) NHDC LSI(IC27: TC190G08CF-7036) This LSI controls timer, interruption, memories, printing, external interface, motor drive interface. (a) Timer control It controls the watchdog timer for detecting any out-of-control program, baud rate generator for setting the baud rate of the serial interface, and pulse generation timer for AG plus count.

  • Page 20: Initialization

    2.1.3 Initialization This printer is initialized when the power is tumed on or when the I-PRIME-N signal is input from the host side via the parallel interface. For the initialize operation, the RESET-N signal is first output from the reset circuit to reset the MPU and LSIs.

  • Page 21: Interface Control

    Interface control The PM4410 is provided with the centronics parallel interface and RS-232C serial interface as standard features.Also, it can be connected to option OKI HSP or Opt. Card. The interface cable can be connected simultaneously with these interfaces. These interfaces can be switched with the menu switch on the operation panel, in addition, you can designate auto-select for them.

  • Page 22: Serial Interface

    2.1.6 Serial Interface The MPU sets the baud rate which is selected with the menu switch for the NHDC LSI and have the serial I/F LSI to output the clock frequency of the baud rate. Input signals from the serial I/F (DSR, CTS, CD and RD) are converted into TTL level ones by the Line driver/receiver and input to the serial I/F LSI and NHDC LSI.

  • Page 23: Printing Operation

    2.1.7 Printing operation The time chart for the spacing and printing, line feed operations are as shown below. The spacing, printing and line feed operations are controlled by the MPU. The MPU also controls the entire timing of these operations. Acceler- Constant speed Deceler-...

  • Page 24: Printhead Control

    2.1.8 Printhead control The printhead is controlled by the Main LSI and NHDC LSI. Printing is synchronized with the ITOUT signal from the NHDC LSI. Control Board Driver Board NHDC LSI A/D bus DRIVER Print Head Print Data Print Data HEAD1-P~ HEAD1~ HEAD18-P...
  • Page 25 Basic drive time (1)+(2)+(3) Basic drive time Dot magnet drive coil current signals (D1–D18) signals (D1–D18) Figure 2.12 40496501TH Draft Version...

  • Page 26: Print Compensation Control

    2.1.9 Print Compensation Control The print compensation can be made as shown below: (a) Simultaneous Compensation of the number of impact pins The NHDC LSI is provided with the compensation table for each pin to make necessary compensation. Number of impact pins Many Drive time Short...

  • Page 27: Line Feed

    (2) Slit encoder As the space motor rotates, it generates feedback pulse signals SPA-P and SPB-P. The Main LSI detects the edge pulses from these signals and multiplies the frequency to output the S720-P signals as the normalized timing to NHDC LSI to generate head drive timing. SPA-P SPB-P 1/360"...

  • Page 28: Bail, Tractor Switching, Ag, Ribbon Motor Control

    2.1.12 Bail, tractor switching, AG, ribbon motor control Bail, tractor switching, AG and ribbon motor control is as shown below. The AG motor is locked with AGHOLD-P. MO ø1 MO ø2 MO ø3 MO ø4 MO OVDV AGHOLD-P Figure 2.16 40496501TH Draft Version...

  • Page 29: Operation Panel

    2.1.13 Operation Panel The clock synchronization OPCLK of NHDC LSI is used to input the switch data and output the LED data and LCD data through the operation panel control LSI (IC1: BU6152S). BU6152S NHDC LSI OPDATAOUT-P OPSCLK-N SCKN Command LED driver and Data OPSQCR-N...
  • Page 30 Figure 2.18 40496501TH Draft Version...

  • Page 31: Alarm Circuits

    2.1.14 Alarm circuits (1) Driver circuit abnormality detection alarm. This protective circuite prevents secondary troubles by stopping the power supply upon detection of an abnormality in the print head, SP motor driver circuit or other motor driver circuits. This circuit monitors the driving time by means of the signals (DT1COM1, SPV, LF COM, AG- MCOM, RBN-MCOM, TR-MCOM, BEIL-MCOM and RENCOM) connected to the overdrive signals for each driver circuit.
  • Page 32 (6) Head thermistor short/open alarm circuit The head thermistor voltage is monitored physically. When short or open circuit occurs, the HDTHALM-N signal is input to the sub LSI (IC18) and read by the MPU. The MPU stops the printing operation, informs the host of the short/open alarm, and lights the alarm lamp. When the head is unloaded, the head thermistor becomes open, resulting in this alarm.

  • Page 33: Power Supply Circuit

    2.1.15 Power supply circuit This switching type power supply circuit supplies the +5 VDC, ±12 VDC and +44 VDC. FUSE Noise filter +44 V primary Rectification and +44V circuit switching circuit smoothing circuit ACIN POWALM-P Switching Alarm control POWOFF-P control circuit circuit POWDWN-P +5 V and ±12 V...

  • Page 34: Mechanical Operation

    Mechanical Operation 2.2.1 Printhead mechanism and operation (See Figure 2-13) Teh printhead is a spring charged 18-pin driving head using a permanent magnet. It is attached to the carriage, which moves in parallel with the platen. Electrically, this unit is connected to the control circuits through the control board.
  • Page 35 (2) Motion of Printhead (Fig.2-14) The armature usually looses the armature sprint with a permanent magnet, making it to be attracted by the core. In this time, the print wire integrated with the armature is also in reset state, When the magnet coil is energized by a print command sent from the device controller, a magnetic flux will generate in the opposite direction against that of the permanent magnet and a restoring force of the armature in the opposite direction against the core, and then the print wire impinge on the platen.

  • Page 36: Spacing Operation

    2.2.2 Spacing operation (See Figure.2-15) Spacing is effected by driving the carriage assembly installed to the main shaft and slide beam set in parallel with the platen by the DC servo motor. (a) DC motor with motor (b) Carriage frame (c) Carriage shaft (d) Space belt (e) Sensor...

  • Page 37: Head Gap Adjusting

    2.2.3 Head gap adjusting The auto gap adjusting mechanism automatically adjusts the space between the platen and print head according to the thickness of papers. This mechanism does this driving the platen back and forth with the AG motor (pulse motor), and effects the auto gap motion after the reverse motion of the platen.
  • Page 38 (1) AG detection mechanism Carriage frame AG press plate Platen sheet guide Platen Moving direction of platen Coil Sensor frame Eccentric collar Core Bearing EI sensor Deflecting direction of sensor frame Cam roller Figure 2.23 (2) AG sensor slit disk driving mechanism Platen Platen Bearing...
  • Page 39 (3) AG detector detail drawing Head AG plate Paper AG sensor flame Ferrite core Figure 2.25 40496501TH Draft Version...

  • Page 40: Ribbon Drive

    2.2.4 Ribbon drive (See Figure) The ribbon feed mechanism feeds the ink ribbon and functions by driving the ribbon motor (pulse motor). (1) Ribbon cartridge This has a mechanism of capable of printing clear characters at all times by using a one-way- feed endless ribbon.

  • Page 41: Paper Feed Mechanism

    2.2.5 Paper Feed Mechanism The line feed on the print paper is driven by the LF motor (pulse motor) and done by rotating the sheet feeder and feed roller. (1) Front tractor The rotation of the LF motor rotates the drive shaft through the LF gear, change gear and front tractor drive gear, driving the pin belt of hte front tractor Assy.
  • Page 42 (2) Rear tractor The rotation of the LF motor rotates 2 drive shafts through the LF gear, change gear and rear tractor drive gear A/B, driving the pin wheel and pin belt of the tractor Assy. This feeds a continuous paper set on the pin belt. Simultaneously, this drives the feed roller F/R through the mini-pitch belt following LF gear to carry the paper in synchronization with the tractor.
  • Page 43 (3) Tractor changing motion The front tractor and rear tractor are switched by exclusive tractor change motor (pulse motor). Operating keys on the operating panel and receiving a command rotates the tractor change motor, moving the tractor change lever back and forth through gears so that the change gear moves transversely.
  • Page 44 • Rear tractor drive Rear drive shaft Front drive shaft Change lever Front tractor drive gear Change gear Rear tractor drive gear LF gear Change motor • Front tractor drive Figure 2.30 40496501TH Draft Version...

  • Page 45: Bail Feed Mechanism

    2.2.6 Bail Feed Mechanism (See Figure ) This mechanism automatically opens the bail for pulling a paper into, and closes it after the paper passes through the bail. This function is operated by exclusive bail motor (pulse motor). The bail motor rotates depending on the position of a paper, moving the bail lift lever (L) back and forth through gears.
  • Page 46 (i) Close position Bail lift lever Bail lift pin Close Close (ii) Open position Close Open (iii) Half open position Open Half open Figure 2.32 40496501TH Draft Version...

  • Page 47: Paper End Detection Mechanism

    2.2.7 Paper End Detection Mechanism (See Figure ) (1) Front/ Rear form end detection mechanism (when the form with sprocket holes is used) The form prevents the paper end lever tip end from coming into the hole on the sheet feeder cover rib and the microswitch is set to the ON state.
  • Page 48 (3) Rear tractor Form Sheet feed cover rib Pin tractor L Micro switch Paper end lever Figure 2.34 Rear form end detection mechanism 40496501TH Draft Version...

  • Page 49: Parts Replacement

    PARTS REPLACEMENT The section explains the procedures for replacement of parts, assemblies, and units in the field. Only the removal procedures are explained here. Reverse the procedure for the installation. Precautions for Parts Replacement (1) Before starting parts replacement, remove the AC cable and interface cable. (a) Remove the AC cable and the interface cable in the following procedure: Turn off ("o") the power switch of the printer ii) Disconnect the AC inlet plug of the AC cable from the AC receptacle.
  • Page 50 (10) Disassembly prohibited parts The following units and parts should not be disassembled because they cannot reassembled if they are broken apart.) Unit Disassembly prohibited parts Details Print head Print head Print head unit Printer Unit Space motor Motor unit Ribbon pulse motor Autogap motor Tractor change motor...
  • Page 51 [Service Tools] Table 3-1 shows the tools required for field replacement of printed circuit boards and units. Table 3-1 Service Tools Service Tools Q' ty Place of use Remarks No. 1-100 Philips 2~2.5 mm screws screwdriver No. 2-250 Philips 3~5 mm screws screwdriver, Magnetized No.

  • Page 52: Parts Layout

    Parts Layout Figure 3-1 40496501TH Draft Version...

  • Page 53: How To Change Parts

    How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below. 40496501TH Draft Version...

  • Page 54: Cover-Assy-Access / Cover-Assy-Side (R) / Cover-Assy-Side (L) /Cover-Assy-Front / Frame-Assy-Rear / Plate-Front (Stuck)

    3.3.1 Cover-Assy-Access / Cover-Assy-Side (R) / Cover-Assy-Side (L) /Cover-Assy-Front / Frame- Assy-Rear / Plate-Front (stuck) (1) Remove Guide Sheet 1 and Cover Assy Access 2. (2) Unscrew 2 screws 3 and the screw 4 and the screw 5, then remove Cover Assy Side (R) 6, sliding it to the arrow direction.

  • Page 55: Printer Unit

    3.3.2 Printer Unit (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew 4 screws 2 which fix Printer Unit 1. (3) Unplug I/F Connecting Cable 4 and Head Cable 5 from Control Board 3.

  • Page 56: Control Block [Control Board (Pma Printed Board), Driver Board (Pda Printed Board)]

    3.3.3 Control Block [Control Board (PMA Printed Board), Driver Board (PDA Printed Board)] (1) Remove Cover Rear (B). (See 3.3.1) (2) Unscrew 2 screws 1 and unplug all the connecting cords to Control Block 2. (3) Remove Control Block 2, sliding it into the arrow direction. [Control Board (PMA Printed Board) and Driver Board (PDA Printed Board)] Unscrew 2 screws 3 then pull Driver Board (PDA Printed Board) 4 upward and release it from the connecting position to Control Board (PMA Printed Board) 5.

  • Page 57: Power Supply Assy

    3.3.4 Power Supply Assy (1) Remove Guide Paper (B), Cover Blank Lower and Rear Cover (B). (See 3.3.1) (2) Unplug connectors to Power Supply Unit 1. (3) Unscrew the screw 2 and release Earth Wire 3. (4) Unscrew the screw 4 and remove Bracket PG 5. (5) Unscrew 2 screws 6.

  • Page 58: Pg Cooling Fan

    3.3.5 PG Cooling Fan (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear. (See 3.3.1) (2) Unplug the connectors 2 to Junction Board (PRA Printed Board)(CN13)1. (3) Unscrew 2 screws 3 and remove PG Cooling Fan 4. (4) For installation, reverse the removal procedure.

  • Page 59: I/F Board (Pha Printed Board)

    3.3.6 I/F Board (PHA Printed Board) (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew the screw 1 and remove Cable Holder 2. (3) Unscrew 2 screws 3 and remove I/F Board Holder Cover 4.

  • Page 60: Ag Board (Pga Printed Board) / Connector Cord

    3.3.7 AG Board (PGA Printed Board) / Connector Cord (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug the connectors 0 to Junction Board (PRA Printed Board)(CN3) 9. (3) Unscrew the screw 1.

  • Page 61: Ag Motor Assy

    3.3.8 AG Motor Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew 2 screws 1 and remove Bail Gear Assy 2. (3) Unscrew 2 screws 3 and remove AG Motor Assy 4.

  • Page 62: Mini Pitch Belt

    3.3.9 Mini Pitch Belt (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew 2 screws 1 and remove Shaft Support Plate (press fit) 2. (3) Screw down the screw 3 and turn Idle Pulley Assy 4 into the right direction.

  • Page 63: Tractor Change Motor Assy

    3.3.10 Tractor Change Motor Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printer Unit. (See 3.3.2) (3) Remove I/F Board. (See 3.3.6) (4) Release the cords from Cord Clamp 3 on the cord route.

  • Page 64: Bail Motor Assy

    3.3.11 Bail Motor Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug the connectors 1 from I/F Board (PHA Printed Board)(CN2) B. (3) Unplug the connectors A from I/F Board (PHA Printed Board)(CN11) B.

  • Page 65: Lf Motor Assy

    3.3.12 LF Motor Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove I/F Board. (See 3.3.6) (3) Remove Printer Unit. (See3.3.2) (4) Remove Tractor Change Motor Assy.

  • Page 66: Head Cooling Fan 1

    3.3.13 Head Cooling Fan 1 (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug the connector 1 from Junction Board (PRA Printed Board)(CN6) 6. (3) Release the cords from the cord clamps on the cord route.

  • Page 67: Head Cooling Fan 2

    3.3.14 Head Cooling Fan 2 (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew the screw 1 and remove Cable Holder Cover 2. (3) Unplug the connector 3 from I/F Board (PHA Printed Board)(CN6) 6.

  • Page 68: Space Motor

    3.3.15 Space Motor (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printer Unit. (See 3.3.2) (3) Remove the stopper 1. (4) Screw down 2 fixing screws 2 on Idle Pulley Bracket.

  • Page 69: Operator Board (Poa Printed Board)

    3.3.16 Operator Board (POA Printed Board) (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug the connector 2 from Operator Board (POA Printed Board)(CN1) 1. (3) Unscrew 2 screws 3 and Remove Operator Block Assy 4.

  • Page 70: Ribbon Feed Assy

    3.3.17 Ribbon Feed Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug the connector 1 from Junction Board (PRA Printed Board)(CN9) 7. (3) Unscrew 2 screws 2 and remove Ribbon Feed Assy 3.

  • Page 71: Printing Head

    3.3.18 Printing Head (1) Lean Frame Assy Rear backward and open Access Cover. (2) Move the printing head to the recess on the right seen from the front. (3) Pull out Ribbon Guide 1 upward. (4) Unscrew 2 screws 2 and remove Printing Head 3 from the connector. (5) For installation, reverse the removal procedure.

  • Page 72: Head Cable

    3.3.19 Head Cable (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printing Head. (See 3.3.18) (3) Remove Printer Unit. (See 3.3.2) (4) Remove Cable Holder Cover.

  • Page 73: Ribbon Protector

    3.3.20 Ribbon Protector (1) Remove Printing Head. (See 3.3.18) (2) Open Access Cover 1. (3) Unscrew the screw 2 and remove the cord clamp 3. (4) Unscrew the screw 4 and remove Paper Width Sensor 5. (5) Unplug the connector 6. (6) Remove 2 Ribbon Guide Posts 7 and 2 washers 8.

  • Page 74: Space Motor Fan

    3.3.21 Space Motor Fan (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printer Unit. (See 3.3.2) (3) Unscrew 2 screws 1 and unplug the connector 2 from Junction Board (PRA Printed Board) (CN12) 4, then remove Space Motor Fan 3.

  • Page 75: Junction Board

    3.3.22 Junction Board (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug all the connectors from the above. (3) Unscrew 2 screws 1 and remove Junction Board (PRA Printed Board) 2. (4) Unscrew 3 screws 3 and remove Junction Board Bracket 4.

  • Page 76: Cover Open Switch Assy / Ribbon Rotation Sensor

    3.3.23 Cover Open Switch Assy / Ribbon Rotation Sensor (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Head Cooling Fan 1. (See 3.3.13) (3) Unscrew the screw 1 and 2 screws 2, and remove Ribbon Bracket 3.

  • Page 77: Interlock Switch / Interlock Switch Cord Assy

    3.3.24 Interlock Switch / Interlock Switch Cord Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unplug 4 cables 1. (3) Unscrew 2 screws 2 and remove Interlock Switch 3.

  • Page 78: Knob Bracket Assy

    3.3.25 Knob Bracket Assy (1) Remove Bail Motor. (See 3.3.11) (2) Unscrew the screw 1 and remove the gear 2. (3) Unscrew 2 screws 3 and remove Knob Bracket Assy 4. (4) Unscrew 2 screws 5 and remove AG Sensor Cover 6. (5) Unscrew the screw 7 and remove Knob Cover 8.

  • Page 79: Space Belt

    3.3.26 Space Belt (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Space Motor. (See 3.3.15) (3) Remove Printing Head. (See 3.3.18) (4) Remove Idle Pulley 1 from Idle Pulley Bracket, then remove Space Belt 2.

  • Page 80: Ag Sensor Frame / Start Searching Sensor

    3.3.27 AG Sensor Frame / Start Searching Sensor (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew 2 screws 1 and remove Rear Plate 2. (3) Unscrew 2 screws 3 and remove AG Sensor Cover 4.

  • Page 81: Paper Jam Sensor Assy / Bail Pe Sensor Assy

    3.3.28 Paper Jam Sensor Assy / Bail PE Sensor Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Unscrew the screw 1 and release the latch, then remove Paper Jam Sensor Assy 2. (3) Unscrew the screw 3 and release the latch, then remove Bail PE Sensor Assy 4.

  • Page 82: Sprocket Assy (L) (R) (Front Tractor)

    3.3.29 Sprocket Assy (L) (R) (Front Tractor) (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printer Unit. (See 3.3.2) (3) Remove Space Motor Fans.

  • Page 83: Sheet Feeder Assy (L) Rear / Sheet Feeder Assy (R) Rear

    3.3.30 Sheet Feeder Assy (L) Rear / Sheet Feeder Assy (R) Rear (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Printer Unit.
  • Page 84 Align the hole positions [When mounting] Wave Eling Drive shaft Washer Bush Releasing the Gear latches R Side View 40496501TH Draft Version...
  • Page 85 Wheel Match the direction of projections Pinwheel Match the position of marks Rear tracor Assy Gears phase drawing 1. Matching the phase of pin tractors a. Match the direction of pin wheel projections on right/left pin tractor to that of mark on the 2 (rear tractor drive gear) b.

  • Page 86: Bail Assy

    3.3.31 Bail Assy (1) Remove Cover Assy Access / Cover Assy Side (R) / Cover Assy Side (L) /Cover Assy Front / Frame Assy Rear / Plate Front (stuck). (See 3.3.1) (2) Remove Mini Pitch Belt. (See 3.3.9) (3) Remove Bail Motor Assy (See 3.3.11) (4) Remove 2 Drive Pulleys 1.

  • Page 87: Adjustments

    ADJUSTMENTS (1) Be sure to carry out this adjustment with the printer mechanism mounted on the lower cover. (2) Be sure to carry out this adjustment operation on a level and highly rigid work table (flatness: less than 0.039 inch or 1 mm) so as to minimize adjustment error. [Service Tool] •...
  • Page 88 Item No. Items Standard Value Illustration Adjustment Method 1Remove the Rear Cover (B), and set Protector Gap Adjustment (1)Range Adjustment Dip Switch 1 on the board to “ON” DIP Switch (maintenance mode). Lower Cover Temporary Rear Cover (B) Maintenance DIP SW O N - L I N E E P S POWER...
  • Page 89 Item No. Items Standard Value Illustration Adjustment Method 1Insert the thickness gauge between AG Plate Gap C=0.14±0.02mm the AG frame and the AG plate to veri- AG Frame fy the gap value C is between 0.12 and AG Plate 0.16 mm. 2If adjustment is required, screw down the mounting screws and adjust the ec- centric collar to make the protector gap...
  • Page 90 Item No. Items Standard Value Illustration Adjustment Method 1Adjust the LF motor belt tension, with LF Motor Belt Tension 200 ~ 250gf the idle pulley assy, to produce the Drive Pulley A standard value when the belt is deflect- ed 1.5 mm at the middle of the LF gear and the drive pulley B.
  • Page 91 Item No. Items Standard Value Illustration Adjustment Method 1Verify the backlash is 0.1 mm bet- Auto Gap Motor Assy J=0.1mm Backlash ween the idle gear and the adjusting Mounting Screws Change Motor cam. 2If adjustment is required, screw down the 2 screws fixing the auto gap assy, Idle Gear and ensure the backlash between the idle gear and the adjusting cam.
  • Page 92 Item No. Items Standard Value Illustration Adjustment Method 1In installing the print head, accurately Installing print head bump it to the inpinging plate on the Mounting screw carriage frame. Print head Notes: The print head should be installed/ removed at 1-range position.(prevent protector deformation) Carriage frame 2How to tighten screws in installing...
  • Page 93 Item No. Items Standard Value Illustration Adjustment Method Correct the printing alignment in each "Registration1 ..7". (Note2)(Note3) Number Correction dot position of reverse printing Note2)After printing, change items with Printing position is shifted by 0.25mm to right of the reference position. 4 switch Printing position is shifted by 0.20mm to right of the reference position.

  • Page 94: Cleanig And Lubrication

    CLEANING AND LUBRICATION Cleaning [Caution] Be sure to turn OFF the AC POWER switch before cleaning. Remove the AC Power cord from the printer. Avoid dust inside the printer mechanism when cleaning. If a lubricated part has been cleaned, be sure to apply lubricating oil to that portion after cleaning.
  • Page 95 40496501TH Draft Version...

  • Page 96: Lubrication

    Lubrication This printer is designed to be maintenance free and requires no lubrication during normal operation. However it is necessary to apply lubricant in case the printer is disassembled, reassembled, cleaned or parts have been changed. (1) Cleaning time Remarks: 1) Turn off the power before cleaning.

  • Page 97: Right Side View

    Sliding Surface between Bail Life Lever and Shaft(at left and right) Bail Lift Lever Rack GEP- A (2 points at upper and lower) GEP- A (at left and right) Gear Teeth Surfasce GEP- A Shaft PM- B (2 points at left and right) Sliding Surface between Feed Shaft Bearing and Side Frame (at upper and lower) GEP- A (2 points at upper and lower)

  • Page 98: Left Side View

    Sliding Surface between Bail Life Lever and Stud(at left and right) GEP- A (at left and right) Shaft PM- B (3 points at left and right) Gear Teeth Surface GEP- A Sliding Surface between Bail Life Lever and Bail Motor Bracket GEP- A Adjusting Cam Surface GEP- A (at left and right)
  • Page 99 Sliding Surface between Platen Slide Plate and Platen TEP- A (2 points at upper and lower) Platen Slide Plate Platen Side Frame 40496501TH Draft Version...
  • Page 100 Feed Roller Shaft FU Sliding Surface between Pressure Roller Piece and Feed Roller Shaft (3 points) GEP- A Pressure Roller Piece Front Spring 40496501TH Draft Version...
  • Page 101 Gear Teeth Surfasce GEP- A Gear Teeth Surfasce GEP- A Gear Teeth Surfasce Gear Teeth Surfasce GEP- A GEP- A Between Gear and Bracket Between Gear and Shaft Between bush and Shaft GEP- A PM- B PM- B Between Gear and Bracket Between Gear and Shaft Between bush and Shaft GEP- A...
  • Page 102 Apply a small amount of Albania grease on the diagonally shaded section. (GEP- B ) Apply a small amount of Albania grease on the feed shaft sliding surface. (GEP- B )(top and bottom)(both right and left) Apply a small amount of Albania grease on the stud sliding surface.
  • Page 103 Apply a small amount of Albania grease on the stud sliding surface. (GEP- B )(both right and left) 40496501TH Draft Version...

  • Page 104: Troubleshooting And Repair

    TROUBLESHOOTING AND REPAIR Items to Check Before Repair (1) Check the inspection items specified in the instruction manual. (2) Find out as many details of the trouble as possible from the customer. (3) Inspect in the conditions as close as possible to those at the time the trouble occured. (4) Proceed with the repair as follows: Check the trouble status according to Table 6.1 for the details of the troble.

  • Page 105: Lamp And Lcd Display

    Lamp and LCD Display (1) Printer mode display Table 6.2 Printer mode ALARM SELECT Contents Remedy O p e r a t i o n ON LINE Indicates that the printer is ready for receiving. O N - L I N E mode HEX DUMP Indicates that the printer is in the hex dump mode.
  • Page 106 Table 6.3 Printer mode ALARM SELECT Contents Remedy O p e r a t o r PATH Paper jam due to path change. alarm CHANGE JAM P A T H C H A N G E J A M PAPER Indicates that paper is released.
  • Page 107 Table 6.4 Error Category Comments Remedies RAM ALARM D-RAM Error D - R A M S-RAM Error S - R A M ROM ALARM Program-ROM Error P R O G R A M - R O M CG-ROM Error C G - R O M EEPROM Error E E P R O M PROGRAM ALARM...
  • Page 108 Error Category Comments Remedies ENGINE ALARM Ribbon Motor Error Refer to flow chart 5 R I B B O N Paper Width Sensor Error O P T I C A L S E N S O R OPERATION PANEL LCD Time-out Error ALARM L C D T I M E O U T...

  • Page 109: Part Layout

    Part Layout (1) Board * SPSN-Board is illustrated on the next page (2) to define the detail positions. CN10 CN13 CN11 Serial Parallel CN15 CN14 CN12 CN7 CN6 40496501TH Draft Version...
  • Page 110 (2) Other SPSN-PCB Bail Open Switch Front Tractor On Switch Bail Motor Path-Change Motor 40496501TH Draft Version...

  • Page 111: Connection

    Connection (1) Printhead Resistance of each coil should be about 5.8Ω PMA PCB PDA PCB Head connector Head pin number Head driver circuite diagram HDT1-01-N HDT1-01-N HD01-N HDT20-01-P HDT20-01-P HD01-P HDT1-02-N HDT1-02-N HD02-N HDT20-02-P HDT20-02-P HD02-P HDT1-03-N HDT1-03-N HD03-N HDT20-03-P HDT20-03-P HD03-P HDT1-04-N...

  • Page 112: Parts List

    (2) Line feed motor Resistance of each coil should be about 4.2Ω PMA-PCB PHA-PCB CN13 LFDV1 LFCOM LFDV3 LFDV2 LFDV4 (3) Space motor Resistance of motor should be about 1.08Ω PMA-PCB PRA-PCB CN10 Inter lock switch SP FOW SP REV 44VF1 SPACING 12Ω...
  • Page 113 (4) Ribbon motor Resistance of each coil should be about 155Ω PMA-PCB PRA-PCB RBN-MDV1 RBN-MCOM RBN-MDV3 RBN-MDV2 RIBBON RBN-MDV4 (5) Path-change motor Resistance of each coil should be about 90Ω PMA-PCB PHA-PCB PDA-PCB Path-change motor common drive circuite diagram TR-MDV1 TR-MCOM TR-MCOM TR-MDV3...
  • Page 114 (7) Bail motor Resistance of each coil should be about 90Ω PHA-PCB PMA-PCB BEIL-MDV1 BAIL-MCOM BEILMDV3 BAILMDV2 BAIL BEIL-MDV4 (8) Space Fan1 PRA-PCB PMA-PCB CN12 Space Fan1 SPFANDV-P SPFANALM1-P (9) Space Fan2 PMA-PCB Space Fan2 SPFANDV-P SPFANALM2-P (10) Head Fan1 PRA-PCB PMA-PCB Head Fan1...
  • Page 115 (11) Head Fan2 PHA-PCB PMA-PCB Head Fan2 HDFAN2DV-P HDFAN2ALM-P 1, 3, 5 2, 4, 6 (12) Power Fan PHA-PCB PMA-PCB CN13 Power Fan POWFANDV-P POWFANALM-P (13) space slit sensor PMA-PCB Slit sensor PHA-P PHB-P SPTH-P (14) Auto-gap slit sensor PRA-PCB PGA-PCB PMA-PCB Slit sensor...
  • Page 116 (15) Cover Open Switch/ Ribbon Jam Sensor PRA-PCB PMA-PCB Cover open switch COVEROPN 1SW-P NO NC *RTRCOVEROPNSW-P Ribon jam sensor RBNSEN-P SNS5V-1 * RTRCOVEROPNSW-P is unused. 180Ω 1/4W (16) Optical Sensor Optical sensor PDA-PCB PMA-PCB Head cable WITHSNS-P SNS5V-1 30~32 30~32 150Ω...
  • Page 117 (18) Paper Jam Sensor/ Bail Paper End Sensor Paper jam sensor PHA-PCB PMA-PCB SHEETJAM-P SNS5V-O BEILPE-P 1,3,5 2,4,6 Bail paper end sensor 180Ω 1/4W 150Ω 1/4W (19) Bail Open Switch/ Front Tractor On Switch Bail open switch PHA-PCB PMA-PCB BEILOPNSW-P FTRONSW-P COVEROPN0SW-P Front tractor on switch...
  • Page 118 (21) Rear Tractor Paper End Switch Rear tractor paper end switch PHA-PCB PMA-PCB RTRPESW-P 1,3,5 2,4,6 (22) Power Supply Unit Inlet Power supply unit PMA-PCB ACIN DCOUT1 Power circuit diagram AC-L AC-L +44V +44V 7~12 7~12 AC-N AC-N DCOUT2 6~12 +12V +12V -12V...
  • Page 119 (23) Operation Panel LCD UNIT PMA-PCB PHA-PCB POA-PCB OPeration panel cirduit diagram SHIFTSWON-N SHIFTSWON-N BL5V OPSCLK-N OPSCLK-N OPDATAOUT-P OPDATAOUT-P OPDATAIN-P OPDATAIN-P OPQCR-N OPQCR-N BZON-P BZON-P +5VD +5VD 1,12 1,3,5 2,4,6 9,10 BL5V 40496501TH Draft Version...
  • Page 120 (24) Standard Interface PMA-PCB PHA-PCB CN14 Centronics interface code STROB-N STROB-N DATA1-P DATA1-P DATA2-P DATA2-P DATA3-P DATA3-P DATA4-P DATA4-P DATA5-P DATA5-P DATA6-P DATA6-P DATA7-P DATA7-P DATA8-P DATA8-P ACK-N ACK-N BUSY-N BUSY-N PERROR-P PERROR-P SELECT-P SELECT-P AUTOFD-N AUTOFD-N 1,3,5 2,4,6 16,33,19~30 16,33,19~30 17,37,38 17,37,38...
  • Page 121 (25) Short Plug * For setting details see the maintenance manual 10KΩ 1/10W IC45-BYTE IC47-BYTE PGROMCS-H CNIF-H 3.3KΩ 1/10W 10KΩ 1/10W PGROMSEL-N 3.9KΩ 1/10W CNPLOGIC-H 100Ω 1/4W 40496501TH Draft Version...
  • Page 122 (26) Others PMA-PCB PDA-PCB CN1 CN1 POWEROFF-P POWEROFF-P 68,69,70 68,69,70 +44VF +44VF 20,21 20,21 +12V +12V 35~40,75 35~40,75 73,74,76~80 73,74,76~80 +44V +44V 71,72 71,72 +12VR +12VR DVREV3-P DVREV3-P DVREV2-P DVREV2-P DVREV1-P DVREV1-P DVREV0-P DVREV0-P PMA-PCB PRA-PCB SPTH-P ROHTAPHA-P ROHTAPHB-P PMA-PCB PHA-PCB OUTTH OUTTH...
  • Page 123 (27) MUPIS Interface (Option) PMA-PCB MPSD01-P MPSD10-P MPSD02-P MPSD09-P MPSD01-P MPSD08-P MPSD07-P MPSRD-N MPSA08-P MPSA01-P MPSA02-P MPSA03-P MUPISARI-N MPSA04-P MPSA05-P MUPIS CARD MPSA06-P MPSA07-P MPSCE-N MPSDECORD1-P MPSCUREQ-N MPSOPREQ-N OPDCT0-N OPDCT1-N MPSD04-P MPSD12-P MPSD11-P MPSD05-P MPSD13-P MPSD06-P MPSD14-P MPSD00-P MPSD15-P MPSA00-P MPSA15-P MPSA14-P MPSA13-P...
  • Page 124 PE-N ACK-N SIFSEL-N BUSY-P IFDATA4-P MUPIS CARD IFDATA3-P IFDATA5-P IFDATA2-P IFDATA6-P IFDATA1-P IFDATA7-P IFDATA8-P SIFRST-P RSTIN-N SIFSTB-N SIFON-N SIFRD-N CNBARI-N 40496501TH Draft Version...
  • Page 125 (28) Option Interface Option Interface-PCB PMA-PCB PAA-PCB Attachment circuit diagram Serial Interface circuit diagram PE-P PE-P IFDATA8-P IFDATA8-P ACK-N ACK-N FDATA7-P FDATA7-P SIFSEL-N SIFSEL-N FDATA6-P FDATA6-P BUSY-P BUSY-P FDATA5-P FDATA5-P IFDATA4-P IFDATA4-P FDATA4-P FDATA4-P IFDATA3-P IFDATA3-P FDATA3-P FDATA3-P IFDATA5-P IFDATA5-P FDATA2-P FDATA2-P Interface...
  • Page 126 RD-N RD-N CE-N CE-N DECODE1 DECODE1 CUREQ-N CUREQ-N OPREQ-N OPREQ-N OPDCT0-N OPDCT0-N OPDCT1-N OPDCT1-N A5,A9,A13 A21,A25 A5,A9,A13 A2~A4,A5~A8, A21,A25 A10~A12,A14~A20, A22~A24,A26~A32 A2~A4,A5~A8, A10~A12,A14~A20, A22~A24,A26~A32 40496501TH Draft Version...
  • Page 127 (29) Continuous-Form Paper Cutter (Option) PMA-PCB PRA-PCB 39,41,43,44 39,41,43,44 44VF CUTMOYDV-P CONTINUOUS-FORM CUTM1-P PAPER CUTTER CUTM2-P CUTM3-P CUTM4-P RENCUT-N 40496501TH Draft Version...
  • Page 128 Printer is not powered on at all. • The AC cable connected properly? • Connect the cable properly. • AC Input Fuse blown? • Replace it with a new AC Input Fuse of the same type and rating. • Remedied? •...
  • Page 129 • The cable to POA-Board CN1 connected properly? • Connect the cable properly. • Replace POA-Board or PMA-Board. 40496501TH Draft Version...
  • Page 130 2 Printer does not operate at all, while Power Lamp is on, Alarm Lamp blinks and nothing is displayed on LCD. • The cable to POA-Board CN2 connected properly? • Connect the cable properly. • Replace LCD Unit. 40496501TH Draft Version...
  • Page 131 3 Printer does not operate at all, while Power Lamp is on, Alarm Lamp is on/off and nothing is displayed on LCD. • Replace POA-Board. Recovered? • • Replace Program-ROM. Recovered? • • Replace PMA-Board 40496501TH Draft Version...
  • Page 132 4 Spacing is abnormal, while Alarm Lamp is on and “ERROR HOMING” or “ERROR SPACING” is displayed on LCD. • Paper rolled into Carriage? • Remove the printing paper. • Carriage moves if Printer is restarted? • Go to C. •...
  • Page 133 • Check conduction only at Interlock Switch. Is it normal? • Replace Interlock Switch. • Replace Cord Assy. • Replace DC Motor. 40496501TH Draft Version...
  • Page 134 • Loose Carriage Belt? • Adjust Carriage Belt tension properly. • The cable to PMA-Board CN8 connected properly? • Connect the cable properly. • The Slit Sensor cable under Space Motor connected properly with the Printer-side cable? • Connect the cable properly. •...
  • Page 135 5 Carriage does not operate at all, while the Alarm Lamp is on and “ERROR AUTOGAP” is displayed on LCD. • Platen works normally during initialization? The cables to PRA-Board CN1 and CN2 connected properly? • Connect the cables properly. •...
  • Page 136 • Go to D. • Replace Auto-Gap Motor. • The cables to PRA-Board CN1, CN3 and PGA-Board CN1 connected properly? • Connect the cables properly. • The cables to PMA-Board CN2 and CN8 connected properly? • Connect the cables properly. •...
  • Page 137 6 After Carriage works, Alarm Lamp goes on and “ERROR (in the upper row), BAIL (in the lower)” is displayed on LCD. • Bail operates during initialization? • The cables to PHA-Board CN2 and CN1 connected properly? • Connect the cables properly. •...
  • Page 138 • Connect the cables properly. • The connector to PMA-Board CN6 connected properly? • Connect it properly. • Replace the Bail Open Switch/Front Tractor On Switch cable. Recovered? • • Replace PMA-Board. Recovered? • • Replace the junction cable. Recovered? •...
  • Page 139 7 After Carriage operates, Alarm Lamp goes on and “ERROR (in the upper row), PATH CHANGE (in the lower)” is displayed on LCD. • Tractor Change Lever operates during initialization? • The cables to PHA-Board CN1 and CN7 connected properly? •...
  • Page 140 • Connect the cables properly. • The cable to PMA-Board CN6 connected properly? • Connect the cable properly. • Replace the Bail Open Switch/Front Tractor On Switch cable. Recovered? • • Replace PMA-Board. Recovered? • • Replace the junction cable. Recovered? •...
  • Page 141 8 After initialization, Alarm Lamp goes on and “ERROR (in the upper row), RIBBON JAM (in the lower)” is displayed on LCD. • Ribbon fed during initialization? • The cables to PRA-Board CN1 and CN9 connected properly? • Connect the cables properly. •...
  • Page 142 • Replace Ink Ribbon Cartridge. • Check the ribbon route in Ink Ribbon Cartridge. Is it normal? XXX rotating? • Set the ink ribbon on the correct route. • Ink Ribbon Rotation Sensor mounted properly? • Install the sensor properly. •...
  • Page 143 9 Paper is not line fed, while the Alarm Lamp is on and “ERROR (in the upper row), FEED JAM (in the lower)” is displayed on LCD. • The printing paper stuck on the paper feed route? • Remove the paper. •...
  • Page 144 0 Paper is line fed, but “FEED JAM” is displayed on LCD. • The cables to PHA-Board CN1 and CN3 connected properly? • Connect the cables properly. • The cable to PMA-Board CN6 Connector connected properly? • Connect the cable properly. •...
  • Page 145 A Printer does not operate at all, while the Alarm Lamp is on and “ERROR FUSE” is displayed on LCD. • The cable to PMA-Board CN3 connected properly? • Connect the cable properly. • The cable to Printer Unit Connector DCOUT2 connected properly? •...
  • Page 146 • No junction cable failure at Bail/Path-Change/LF motors, and between PMA-Board and PHA-Board? • Replace the damaged cable, if any. • Replace PHA-Board. • No junction cable failure at Ribbon/Space/Auto-Gap motors, and between PMA- Board and PRA-Board? • Replace the damaged cable, if any. •...
  • Page 147 B Printer goes off during operation. • Turn Printer on, with PMA-Board CN3 cable unplugged. Printer goes off during operation? • Replace Power Supply Unit. • Turn Printer on, with PMA-Board CN2, CN6 and PDA-Board CN5 unplugged. Printer goes off during operation? •...
  • Page 148 C Printer does not operate after being turned on, while “INITIALIZING” is displayed on LCD. • The interface cable connected properly? • Connect the cable properly. • Replace the interface cable. Recovered? • • Replace PMA-Board. 40496501TH Draft Version...
  • Page 149 D Wrong characters are printed or characters are omitted. • Self Diagnosis Printing conducted normally? • Replace PMA-Board. • The interface cable and the network cable connected properly? • Connect the cables properly. • The cables to PMA-Board CN6 and PHA-Board CN1 connected properly? •...
  • Page 150 E Printer operates normally but characters are not printed. • Self Diagnosis Printing conducted normally? • Replace PMA-Board. • The interface cable connected properly? • Connect the cable properly. • Replace the interface cable. Recovered? • • The interface is parallel or serial? Parallel Serial •...
  • Page 151 • • Replace PHA-Board. Recovered? • • Replace PMA-Board. 40496501TH Draft Version...
  • Page 152 F Printer operates normally but characters are not printed. (With Option Serial Board used) • Self Diagnosis Printing conducted normally? • Replace PMA-Board. • The interface cable connected properly? • Connect the cable properly. • The serial interface setting adjusted for the system? •...
  • Page 153 • Option Serial Board recognized by Printer? • Option Serial Board connected to PAA-Board properly? • Connect it properly. • Replace Option Serial Board. • Check -12V output at PMA-Board. Slide Control Block toward outside without unplugging the cables. (Stop sliding when the cables becomes straight.
  • Page 154 • • With Menu, check Printer’s recognition of MUPIS Card. At Menu Setting, select “Set-up” as Group and “Host Interface” as Item. If “OKI HSP” is displayed in Set Window, Printer recognizes the card. • MUPIS Card recognized by Printer? •...
  • Page 155 • Replace PMA-Board. H Dots are omitted. • Head Gap adjusted properly? • Adjust Head Gap according to Maintenance Manual. • Implement Head Pin Test according to Maintenance Manual. • Is any pin missing? • Go to 14. • Replace Print Head. Recovered? •...
  • Page 156 I Images are faint. • End of Ink Ribbon life? • Replace Ink Ribbon. • Head Gap adjusted properly? • Adjust it properly. • Check +44V output at PMA-Board. Slide Control Block toward outside without unplugging the cables. (Stop sliding when the cables becomes straight.
  • Page 157 • Replace PDA-Board. J After Carriage works, the Alarm Lamp goes on and “ERROR AUTOGAP” is displayed on LCD. • Platen operates normally during initialization? • Go to B. • Adjust Head Gap. Recovered? • • Adjust Core Gap. Recovered? •...
  • Page 158 ø2: Examine between CN3-2 pin and SH4. • Replace PGA-Board. Recovered? • • Replace the junction cable between PRA-Board CN3 and PGA-Board CN1. Recov ered? • • Replace the Paper Front Edge Sensor/Core Gap cable. Recovered? • • Replace PMA-Board. Recovered? •...
  • Page 159 • Replace PHA-Board. K Paper is set at Tractor, but printing is not conducted in the state of “PAPER END”. • Intervals between lines occur during printing. • Check ON/OFF operation of the Tractor used (Front or Rear), according to Maintenance Manual. •...
  • Page 160 • Check the mounting of Tractor Paper End Switch. L ”COVER OPEN” is displayed on LCD even though Access Cover is closed. • Check ON/OFF operation of Cover Open Switch, according to Maintenance Manual. • Normal ON/OFF operation? • The cables to PRA-Board CN1 and CN4 connected properly? •...
  • Page 161 • Check the mounting of Cover Open Switch. M Pressing Operation Panel Switches does not make Printer operate. (after normal initialization) • The cable between POA-Board CN1 and PHA-Board CN12 connected properly? • Connect the cable properly. • Check conduction at the junction cable between POA-Board CN1 and PHA-Board CN12. •...
  • Page 162 • Replace PMA-Board. N ”ERROR, D-RAM” is displayed on LCD, while Alarm Lamp blinks. • Replace PMA-Board. O ”ERROR, PROGRAM-ROM” is displayed on LCD, while Alarm Lamp blinks. • Program-ROM mounted properly on PMA-Board? • Install it properly. • Replace Program-ROM. Recovered? •...
  • Page 163 R ”ERROR, CG-ROM” is displayed on LCD, while Alarm Lamp blinks. • CG-ROM mounted properly on PMA-Board? • Install it properly. • Replace CG-ROM. Recovered? • • Replace PMA-Board. S ”ERROR, CENTERING” is displayed on LCD, while Alarm Lamp blinks. •...
  • Page 164 Parts List Fig.8-1 XXXXXXXXTH Draft Version...
  • Page 165 Fig.8-2 XXXXXXXXTH Draft Version...
  • Page 166 Fig.8-3 XXXXXXXXTH Draft Version...
  • Page 167 Fig.8-4 XXXXXXXXTH Draft Version...
  • Page 168 Fig.8-5 XXXXXXXXTH Draft Version...
  • Page 169 Fig.8-6 XXXXXXXXTH Draft Version...
  • Page 170 Fig.8-7 XXXXXXXXTH Draft Version...
  • Page 171 Fig.8-8 XXXXXXXXTH Draft Version...
  • Page 172 Table.8-1 Recomended Q'ty Parts No. Name Q'ty/U Remarks 1000 2000 40538101 Serial Dot Head-4410 40677101 Cover Assy-Lower 40677201 Cover Assy-Front 40677202 Cover Assy-Front 40677401 Door Assy-Front 40768901 Plate-Front (Sticking) 40520201 Cover Assy-Access 40677601 Cover Assy-Side (L) 40677901 Cover Assy-Side (R) 40678301 Frame Assy-Rear 40678901...
  • Page 173 Table.8-2 Recomended Q'ty Parts No. Name Q'ty/U Remarks 1000 2000 40596601 Ribbon Guide Post 40533501 Head Cable Assy (FM50P) 40502901 Protector Ribbon Assy 40887501 Paper Width Sensor/Ribbon SW cord (with Sensor Cover and Tie Wrap) 40474701 Space Belt 40099101 Spring (Lift Arm) 40622101 Head Cable Guide 40503401...
  • Page 174 Table.8-3 Recomended Q'ty Parts No. Name Q'ty/U Remarks 1000 2000 40509501 Washer 40588601 Pan Washer Tractor Rear 40509601 Center Guide (U) 3PP4043-2453P001 Center Guide Lower A 40509701 Guide Lower B - Center 4PP4043-2451P001 Friction Piece 40510501 Change Motor Bracket Assy 40511101 Tractor Change Lever 40794401...
  • Page 175 Table.8-4 Recomended Q'ty Parts No. Name Q'ty/U Remarks 1000 2000 40750901 PRA Printed Circuit Board Specifications (only Trunk Board) 2051001P1000 Interlock SW (AV14053) 40785101 Interlock SW Connection Cord 40514401 Cover Open Lever 40514501 Interlock Switch Lever 40552901 Interlock Switch Lever SP 40534501 Cover Open SW/Ribbon Sensor Rotation Cord 40798701...
  • Page 176 Table.8-5 Recomended Q'ty Parts No. Name Q'ty/U Remarks 1000 2000 40751001 POA Printed Circuit Board Specifications (only Operation Panel Board) 40742901 LDC Assy (with Cord and Core) 40533301 Nylon Connector Cord (13P) 4YS4011-4311P006 Nylon Connector Cord (12P) 8-13 XXXXXXXXTH Draft Version...
  • Page 177 Appendix A PCB LAYOUT (1) Circuit board PMA (Control) (2) Circuit board PDA (Driver) (3) Circuit board POA (Operation Panel) (4) Circuit board PHA (Interface) (5) Circuit board PRA (Connection) (6) Circuit board PGA (Sensor) (1) Circuit board PMA (Control) IC45 IC46 IC47 IC48 1 3 1 3 Short plug...
  • Page 178 (2) Circuit board PDA (Driver) (3) Circuit board POA (Operation Panel) POWER LED1 ALARM LED2 MENU CONFIG FF/LOAD PARK PATH TEAR SW10 SW11 SW12 STORE SHIFT SW13 ON-LINE ON-LINE GROUP ITEM OPTION LED3 (4) Circuit board PHA (Interface) CN12 CN14 CN15 CN13 CN11...
  • Page 179 (5) Circuit board PRA (Connection) CN13 (6) Circuit board PGA (Sensor) 40496501TH Draft Version...
  • Page 180 19,200 bits per second. Two protocols are available: printer Ready/Busy and X-ON/X-OFF modes. For this serial interface to be installed in a Pacemark 4410, you need to have an adapter board (PAA PCB).
  • Page 181 OPERATION DESCRIPTION Element Description (1) 80C51 with MASK ROM An eight-bit microprocessor controller that controls the following: (a.)Serial interface protocol and data transfer through a serial port. (b.)Message buffer. (c.)Transmission of parallel data to the printer. (2) SN75189 An RS-232C standard line receiver (3) SN75188 An RS-232C standard line driver.
  • Page 182 80C51 ADR latch IF WR 2764 DB0 to DB9 LS245 8 KB 8 KB Serial data control line +5 VD +9 V ±9 V power +12V Bus line –9 V supply circuit -12V +5 V Control line Figure B-2-1 Block Diagram 40496501TH Draft Version...
  • Page 183 2.2.1 Operation at power on After power is turned on, an RST OUT signal is sent from the printer control board to reset the printer. When the reset is canceled, the 80C51 CPU performs initialization. Initialization consists of setting the 80C51 timer, and setting the serial mode. 2.2.2.
  • Page 184 Local Test 2.3.1 Circuit test mode 2.3.1.1 Setting (1) Diagnostic test (set by menu) (2) Test connector Connect the test connector shown in Figure B-3-6 to the interface connector Equivalent to Cannon DB-25P Figure B-3-6 Test Connector Connection Diagram 2.3.1.2 Function After the settings outlined in Section 3.3.1.1 are completed and power is turned on, the serial interface checks the message buffer memory and interface driver/receiver circuit.
  • Page 185 (1) The program revision using two numerical characters is printed. (2) “LOOP TEST” is printed. (3) Memory is checked for the message buffer. (4) Prints “OK” is printed if the memory check is OK and “BAD” is printed if the memory check fails.
  • Page 186 Appendix.C Maintenance-Support Function Normal mode (1) DIP Switch Settings DIP Switch Function (O: ON, X: OFF, –: ignored) – – – – Normal mode (2) Power ON Switch Function Switch Function SEL/ MENU CON- PATH/ TEAR PARK RESET LOAD Starts menu mode Starts menu maintenance mode Starts demo-pattern self test Starts rolling ASCII self test...
  • Page 187 Maintenance mode 1 (1) DIP Switch Settings DIP Switch Function (O: ON, X: OFF, –: ignored) – – – Maintence function enabled mode (2) Power ON Switch Function Switch Function SHIFT CON- PATH/ TEAR PARK (Valid when DIP switch-1 is ON) LINE LOAD Starts learning function for slice level of...
  • Page 188 Maintenance mode 2 (1) DIP Switch Settings DIP Switch Function (O: ON, X: OFF, –: ignored) – – – Maintence information indication enabled mode (2) Operator panel switch Function Switch Function STORE SHIFT CON- PATH/ TEAR PARK (Valid when DIP switch-2 is ON) LOAD The LCD displays the maintenance information (total page number, number...
  • Page 189 (4) Stored historical page number data This function counts a page each 11inch and stores it to EEPROM. The storage capacity for the counter is 3byte, which equals to pages for 70 years at 20000 pages/ month. As the printer has no function which is capable of resetting this counter, line feed frequency can be known since the printer's shipment.

Table of Contents