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OKIPAGE 14ex Led Printer

1. CAUTION ATTENTION ATENCAO CUIDADO CUIDADO ENGLISH Heatsink and transformer core present risk of electric shock Test before touching FRENCH Le dissipateur thermique et le noyau du transformateur pr sentent des risques de choc lectrique Testez avant de manipuler SPANISH Las disipadores de color el nucel del transformador pueden producir un choque el ctrico Compruebe antes de tocar PORTUGUESE dissipador de calor e nucleo do fransiormador apresentam risco de choque el trico Teste antes de focar ENGLISH Circuits maybe live after fuses open FRENCH se peut que les circuits soient sous tension une fois que les fusibles ont f rerir s SPANISH Las circuitos pueden estar activos una vez que se hayan abierio los fusibles PORTUGUESE Os circuitos podem estar energizados ap s os fusiveis se queimarem 41356901TH Rev 2 15 2 OPERATION DESCRIPTION OKIPAGE 14ex consists of a main control board a power supply sensor board an operator panel an electrophotographic process mechanism and revision for illumination of LED head The main control board receives data via the host I F it then decodes edits and stores the data in memory After completing the editing of a single page of data it references the font memory
2. PU OD SF LO CO Z 2 59 2 NINII gt gt to o NN J To Printer 41356901TH Rev 2 188 5 2 Layout TQSB 2 PCB CONTROLLER 41356901TH Rev 2 189 PARTS LIST 6 Figure 6 1 High Capacity Second Paper Feeder 190 41356901TH Rev 2 Table 6 1 High Capacity Paper Feeder Description Hopping roller shaft assy OKI J Part No 3PA4122 1367G001 One way clutch gear 4PB4122 1382P001 Stepping motor 3PB4122 1399P001 TQSB 2 PCB 4YA4046 1651G002 Cassette assy 2nd tray 1PA4122 1362G004 41356901TH Rev 2 191 2nd Tray ASSEMBLY CABINET amp CASSETTE ASSEMBLY SECTION2 MECHANICAL ASSEMBLY SECTION1 SECTION1 CABINET amp CASSETTE ASSEMBLY 192 41356901TH Rev 2 193 41356901 Rev 2 SECTION2 MECHANICAL ASSEMBLY 194 41356901TH Rev 2 Table 6 2 2nd Tray Parts List Description OKI Parts No Q ty U 500 1000 Po Front cover assembly 1PA4122 1369G001 Plate upper 1PP4122 1401P001 1 3 5 Sheet guide assembly 3PA4122 1370G001 3 Inner guide assembly 3PA4122 1371G001 Cassette assembly 2nd tray 1PA4122 1362G004 5 5 5 6 Separation fram
3. in the table represents not checked Paper Length List Check range Min Max Paper length 4 297 0 5 210 0 5 257 0 279 4 LEGAL 13 330 2 LEGAL 14 355 6 266 7 A6 148 0 Monarch 190 5 COM 9 225 4 COM 10 241 3 DL 220 0 C5 229 0 110 1 355 6 Unit mm 41356901TH Rev 2 39 2 5 Cover Open When the stacker cover is opened the cover open microswitch on the power supply sensor board is turned off to cut 5V supply to the high voltage power supply circuit This results in the interruption of all high voltage outputs At the same time the CVOPN signal is sent to the main control board to notify that the microswitch is off and the main control board carries out the cover open process 41356901TH Rev 2 40 2 6 Toner Low Detection Device The Toner Low Detection device consists of a stirring gear which rotates at a constant rate a stirring barandamagnet onthe stirring bar The stirring bar rotation is driven by the link to the gouged portion in the stirring gear Magnet Stirring Bar Operation Gouged Stirring Gear portion Toner Low is detected by monitoring the time interval of the encounter of the magnet set on the sensor plate and the magnet on the stirring bar Operation during Toner Full state The stirring bar rotates due to the mechanical transmission of energy originating from
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6. INSNS OUTSNS N Feed stop OUT Sensor OFF IN Sensor OFF Feed start 41356901TH Rev 2 26 2 3 3 Process Operation Descriptions 1 Hopping and Feeding Hopping and feeding motions are actuated by a single registration motor in the mechanism as shown below Registration motor Idle gear Hopping roller Motor gear 3 Registration gear Hopping gear The registration motor turning in direction a drives the hopping roller The registration motor turning in direction b drives the registration roller The registration and hopping gears have one way bearing so turning any of these gears in the reverse direction will not transmit the motion to the corresponding roller 41356901TH Rev 2 271 a Hopping For hopping the registration motor turns in direction a clockwise direction and drives the hopping roller to advance the paper until the inlet sensor turns on in this case the registration gear also turns but the registration roller is prevented from turning by the one way bearing After inlet sensor is turned on by the paper advance the paper is further advanced to a predetermined distance until the paper hits the registration roller the skew of the paper can thus be corrected Paper Registration roller Hopping roller b Feeding When hopping is completed the registration motor turning in direction b counter clockwise direction drives the r
7. 3 4 5 6 41356901TH Rev 2 168 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Printer Handbook 2 Obtain detailed information concerning the problem from the user 3 Go through checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the operator panel Gothrough the appropriate troubleshooting procedures according to the messages displayed on the LCD ODA OEL INT OKIPAGE 4ex DIGITAL LED PRINTER m ENTER Recover Power Save PAPER SIZE FORM FEED Print Menu Print Fonts Print Demo T T T Press 2 seconds 5 utr A4 A5 LGL ENV Status message display Ready LED display ES OFF D lt BLINKING ON Undefined 41356901TH Rev 2 169 4 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed the LCD message according to the LCD troubleshooting Status Message List according to the see 4 3 1 Troubleshooting Flow see 4 3 1 4 3 1 LCD Status Message List The listing of the statuses and problems displaye
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9. Transmitted Data Transmitted Data Received Data Received Data Request to Send Stay space level Not connected Not connected Signal Ground Signal Ground 2 3 4 5 6 7 9 Not connected Not connected Not connected Data Terminal Ready Data terminal ready Not connected Connector pin arrangement 13 1 e OO E QV Oe Od 25 14 View from the cable side When the Ready Busy protocol is used for the buffer busy control method the busy signal can be set to Pin 20 DTR in the menu 41356901TH Rev 2 132 4 Signal Level e MARK polarity 3V to 15V LOGIC 1 e SPACE polarity 8V to 15V LOGIC 0 5 Interface Circuit a Receiving Circuit 75188 or equivalent OUTPUT 12V 3V 3V INPUT 12V b Sending Circuit 75188 or equivalent InpuT 1 gt gt OUTPUT OUTPUT 9V Note The signal levels described above is for the case where 3K Q x 15pF is connected to the terminal 6 Receive Margin 37 min at all reception rates 7 Communications Protocol a READY BUSY protocol b X ON X OFF protocol 41356901TH Rev 2 133 8 Interface Parameter Setting The following settings are possible by pressing the ENTER key after selecting the display contents of the LCD of the operator panel by using the lt and keys Settings are retained even when the prin
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11. 13 Remove the spring from the bearing 41356901TH Rev 2 60 3 3 13 Roller Transfer Assy 1 With the power switch turned off unplug the AC cord from the outlet 2 Open the stacker cover 3 Release the roller transfer assy by unlocking the latch of the main unit never apply excessive force when unlocking the latch 4 Lift the right side of the roller transfer assy and shift it to the right side then pull it out from the main unit at this time the bearings of the left and right sides of the roller transfer assy will also come off a 41356901TH Rev 2 61 3 3 14 Fusing Unit Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit see 3 3 4 5 Remove the stacker cover assy see 3 3 11 6 Remove four screws 1 lift and remove the fusing unit Caution Fusing unit may be hot Use care when handling Note 1 When reinstalling or removing the fusing unit tighten or loosen the screws while holding the fusing unit assy down with your hand it is being pushed up by back up roller 2 When reinstalling the screws 1 be sure to direct the screws into preexisting thread and avoid damaging the threads 3 Do not apply excessive torque when tightening the screws 1 41356901TH Rev 2 62 3 3 15 Back up Roller 1 Remove th
12. divivd O 2 02 2 punoit 9 qos N 38OHlS 61 uonduoseq uonduoseq 1 01 10129 09 1L N32 120 41356901TH Rev 2 USB Connector Pin Assignment To USB I F Description 5V Power USB Data USB Data In O Out C Common Ground 41356901TH Rev 2 121 OPTION Connector Pin Assignment To option RAM or RS232C board Description Description 01 51 0 OR write enable Data bit 16 02 52 C Logic ground Data bit 0 03 53 0 Address bit 1 Data bit 17 04 54 0 Address bit 2 Data bit 1 05 55 0 RS232C Data terminal ready Data bit 18 06 56 0 Address bit 3 Data bit 2 07 57 0 Address bit 4 Data bit 19 08 58 C Logic ground Data bit 3 09 59 0 Address bit 5 Data bit 20 10 60 0 Address bit 6 Data bit 4 11 61 0 Logic power supply Data bit 21 12 62 0 Address bit 7 Data bit 5 13 63 0 Address bit 8 Data bit 22 14 64 C Logic ground Data bit 6 15 65 0 Address bit 9 Data bit 23 16 66 Address bit 10 Data bit 7 17 67 0 Logic power supply Data bit 24 18 68 Address bit 11 Data bit 8 19 69 0 Address bit 12 Data bit 25 20 70 C logic ground Data bit 9 21 71 0 Address bit 13 Data bit 26 22 72 0 Address bit 14 Data bit 10 23 73
13. CONT PRT PRINTING LOOPTEST nnnnnn EEPROM RESETNG Writing into the EEPROM is performed after pressing the ENTER key Press the ON LINE key if you wish to get out of this mode Press the ON ans CONT PRT CANCELED __ LOOPERR nnnnnn After the completion of processing ON LINE XXX XXX AUTO PCL PPR FX HEX ENABLE DISABLE Do not change the default setting See Table 4 1 Switches enable disable of SIDM IBM EPSON emulation When DISABLE is selected IBMPPR and EPSONFX will not appear Performs Write Read continuous last of all installed DRAMs If an error occurs the number of error occurrences is indicated on LCD but the test does not stop This mode does not end until Power Off ON LINE key 41356901TH Rev 2 152 The engine maintenance mode is activated when the power is turned ON while keeping the FORM FEED key and ENTER key pressed down This mode adopts the menu for function selection method for exit from this mode depends on the setting engine maintenance mode provides the following functions 1 Head Drive Time Setting Sets the drive time of the LED head 2 600 x 1200 DPI strobe time Do not change the default setting 3 Printing Start Position Setting e Sets the printing start position 4 Drum Count Total Display Displays on the LCD the total num
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16. The tools required for field replacement of printed circuit boards assemblies and units are listed Table 3 1 Table 3 1 Service Tools Service Tools No 1 100 Philips screwdriver Application 2 2 5 mm screws Remarks No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner Cleans LED head 41356901TH Rev 2 44 32 Parts Layout This section explains the layout of main components of the equipment Lower base unit Pulse motor main drum AN ap 5 1 View 9 Transfer roller gt Pulse motor ictrati registration Registration roller Assy Fusing unit Spacer bearing L 2 A Manual feed guide assy Toner cartridge Type 5 consumable 0 Image drum unit 8 consumable Figure 3 1 41356901TH Rev 2 45 Figure 3 2 Base unit Power supply sensor board Low voltage High voltage unit sensor board Face up stacker assy DC fan assy Figure 3 3 41356901TH Rev 2 47 3 3 How to Change Parts This section explains how to change parts and assemblies listed in the disassembly diagram below In the parts replacement procedure those parts marked with the part number inside with white letters
17. are RSPL parts Printer unit Upper cover assy 3 3 1 3 3 3 Operator panel assy 3 3 3 LED head Transfer roller 3 3 13 3 3 7 Manual feed guide assy 3 3 18 D Hopping roller shaft assy and contact assy 3 3 21 3 3 10 Registration roller 3 3 12 3 3 14 3 3 15 2 Power supply sensor voltage unit ji Lower base unit 3 3 4 Stacker cover assy Fusing unit Back up roller 3 3 11 Cassette guide L 3 3 22 Face up stacker assy r Pulse motor main drum 8 3 5 Pulse motor registration 8 3 6 Eject roller assy 3 3 8 Motor assy 8 8 9 CD Sensor plate inlet 3 3 16 Sensor plate outlet sensor wire Assy 3 3 17 lt Sensor plate paper supply 3 3 19 M7E PCB 3 3 20 Cassette guide R 3 3 23 Spacer bearing L R 3 3 24 41356901TH Rev 2 48 3 3 1 Upper Cover Assy 1 With the power switch turned off unplug the AC power cord from the outlet 2 Disconnect the interface cable 1 3 Press the knobs on left and right sides and open the stacker cover assy 4 Take out the image drum unit 4 5 Remove two screws 5 and open the manual feed guide assy Lift the front side of the upper S up and unlock the latches two locations on the back side Lift and remove the up
18. 0 162 3 3 1 M 163 3 3 2 Git a 164 3 3 37 COEENSTTIERODB otim beh eee hee 165 3 34 Pulse te D pe eee E PA 166 3 3 5 Planet Gear Ber teet esi HIER eed iore 167 3 3 6 Roller A and B ii iot da 168 4 TROUBLESHOOTING ated bri deben seen 169 4 1 Precautions Prior to the Troubleshooting 24 169 4 2 Preparations for the 169 4 3 Troubleshooting Method eese essere nennen R 170 4 3 1 LCD Status Message 170 5 CONNECTION DIAGRAM 172 5 1 Interconnection 172 5 2 aya 173 SPARS WIS dea A OAS Ld tet 174 APPENDIX G HIGH CAPACITY SECOND PAPER FEEDER 176 1 COUTBNE D Er Or Re bd 176 1 1 Nei 176 1 2 External View and Component 176 MECHANISM DESCRIPTION on OE ae 177 2 1 General Mecha MSM siise ete nee t 177 2 2 Hopper 177 oe PARTS REPLACEMENT ee 178 31 Precautions Concerning Parts
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22. OFF I PRIME signal ignored ON PRIME signal effective Factory Setting OFF V Press the ON LINE key EN ON LINE XXX Setting completed XXX PCL AUTO HEX DUMP PRR or FX 41356901TH Rev 2 142 Appendix Universal Serial Bus USB Universal Serial Bus Specification Revision 1 1 compliance 1 Connector Printer Side B Receptacle Upstream Input to the USB Device Cable Side Series B Plug Cable e Cable Length Max 5m A cable must be met USB Spec Rev 1 1 for normal operation Note Cable is not provided Table of USB I F signals Contact Signal Name Number Vbus D D GND Shield Mode amp Class of Device Full speed Driver Self powered Device Data Signaling Rate Full speed function 12Mb s Interface circuit Full speed Buffer TxD 41356901 Rev 2 143 Note 8 Signal Level Input Output Level Parameter Input Levels High driven High floating Low Output Levels Low High driven Output Signal Crossover Voltage Signaling Levels Bus State Differential 1 Signaling Levels Required D D gt 200mV and D gt min Acceptable D D gt 200mV Differential 0 D D gt 200mV and D gt min D D gt
23. PRIME BUSY SELECT ACKNOWLEDGE 5us max 50 us min 0 min 0 5 us to 10 ms 41356901TH Rev 2 140 Interface Parameter Setting The following settings are possible by pressing the ENTER key after selecting the display contents of the LCD of the operator panel by using the lt and keys Settings are retained even when the printer power is turned off By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state OFF LINE 1 gt lt gt PCL AUTO HEX DUMP PRR or FX Keep the MENU key down for more than 2 seconds and bring the printer into menu setting mode level 2 Next press the MENU key 9 times S may 3 PARALLEL co EF V Press the ENTER key V Item PARALLEL I F is displayed on the LCD Data Transfer Speed Ready SPEED Contents of Display Function HIGH i Contents High speed MEDIUM Normal speed Factory Setting HIGH V 41356901TH Rev 2 141 Press the MENU key V Direction of Data Transfer Ready BI DIRCT Contents of Display Function Contents ENABLE Bi directional data transmission DISABLE Uni directional data transmission Factory Setting ENABLE V Press the MENU key V z Item Contents of Display Function i Contents
24. gt 18420 EI 4 1 52 gOd 3 N no SER NeealSGH Z 9150 L ule 2 NHANG 79150 vi EE cQV3H pagog 0 90 UIEN gt ure JP NOILdO uodo 1 49 asn eoeyeu 850 112 41356901 Rev 2 72 Layout and Connector Signal List 1 Main Control Board M7E PCB Printer front side DM RM a 246 PANEL 22 135 2NDTRAY 8 LED Head Operator panel Printer front side gt Contact face Contact face 41356901TH Rev 2 113 2 41356901 2 114 FAN Connector Pin Assignment To fan motor Description 1 FANPOW Power supply for fan driving Opening 2 OV Ground 3 FANALM N Fan alarm DM Connector Pin Assignment To ma
25. 1 3 Engine Maintenance 74 4 1 4 EEPROM initaliZation ot tia re ei ee Liceul t aeter edet tee 75 42 Adjustment When Replacing 76 4 2 1 Uploading Downloading EEPROM data 76 5 PERIODICAL MAINTENANCE 1 ee eeeeeeeee 77 5 1 Periodical Replacement Parts 77 5 27 i c A A 77 5 2 1 Cleaning of LED Lens 22 1 77 5 2 2 Cleaning Page Function nnns nnn nennen 79 6 TROUBLESHOOTING PROCEDURES 2 4 4442 024 2 80 6 1 TKOUDISSMOOTING cians 80 6 2 Points to Check before Correcting Image 5 80 6 3 Tips for Correcting Image Problems 80 6 4 Preparation for Troubleshooting 81 6 5 Tro bleshooting ich Rhe ae 82 6 5 1 LCD Status Message Problem 82 6 5 2 LCD Message Troubleshooting ccccssscceccessneeceeeecseeeeeesaueeeeescaeeeeseeaaeeseseeaas 92 7 WIRING DIAGRAM nodo poA Ea ave PME ec agde duo neus
26. 200mV Single ended 0 SEO D and D lt VIL max D and D min Data J state Low speed Full speed Differential 0 Differential 1 Data K state Low speed Full speed Differential 1 Differential 0 Idle state Low speed Full speed D gt VIHZ min and D VIL max D gt ViHz min and D lt VIL max D gt VIHZ min and D lt min D gt ViHz min and D min Resume state Data K state Start of Packet SOP Data lines switch from Idle to K state End of Packet EOP SEO for gt 1 bit time followed by a J state for 1 bit time SEO for gt 1 bit time followed by a J state Disconnect at downstream port SEO for gt 2 5us Connect at downstream port Idle for gt 2ms Idle for gt 2 5us Reset D and D lt VIL max for gt 10ms The bit time is approximate D and D lt VIL max for 2 2 5us The width of EOP is defined in bit times relative to the device type receiving the EOP 41356901TH Rev 2 144 9 Timing Chart a Packet Voltage Levels VOH min VIH min VIL max VOL ee VSS Bus Idle SOP ES Bit f Pack of Packet SEO Mis VOH min Bus Driven to J State at end of EOP Bus Floats Bus Idle VIH min VIL max VOL ae b Disconnect Detection D D VI
27. 41356901TH Rev 2 10 4 RS 232C Serial Interface Board 5 DRAM SIMM Memory DRAM SIMM memory is available with memory of 8MB 16MB 32MB Oki Data genuine The access time of SIMM memories are 60 5 70 5 80ns and 100ns 6 Flash SIMM Flash SIMM is available with memory of 4MB 8MB and 16MB 41356901TH Rev 2 11 14 Specification 1 2 External dimensions 3 Weight 4 Developing method Exposing method 5 Paper used 6 Printing speed 7 Paper feeding method 8 Paper delivery method 9 Resolution 10 Power input Desktop Height 8 5 215 mm Width 13 6 345 mm Depth 15 6 395 mm Approx 9kg Dry electrophotography LED stationary head lt Type gt Standard paper Xerox 4200 20 16 Application paper manual face up feed Label Envelope OHP paper transparency lt Size gt Standard sizes Letter Legal Without Multi Purpose Feeder Option Legal 13 Executive COM 10 manual feed and Multi Purpose Feeder Option only Monarch DL C5 A4 5 B5 JIS 6 Applicable sizes Width 3 4 to 8 5 86 to 216 mm Length 5 5 to 14 140 to 355 6 mm lt Thickness gt Automatic feed 16 to 28 Ibs 60 to 105 g m Manual feed Label OHP paper transparency Envelope 24 to 28lbs Continuous printing 14 pages per minute with Letter size paper Except
28. 5540 001 Separator 4PP4083 5544G001 Pulse motor 4PB4083 6075P001 Same as printer unit OLEV 11 PCB 4YA4121 1014G011 1 2 3 4 5 6 7 8 Connector cable 3 54011 3141 003 For ODA 3 54011 3141 001 For OEL INT Separator assy 3PA4083 5549G001 41356901TH Rev 2 175 APPENDIX G HIGH CAPACITY SECOND PAPER FEEDER 1 OUTLINE 1 1 Functions The printer is mounted on top of this High Capacity Second Paper Feeder The High Capacity Second Paper Feeder supplies paper automatically through the operation of pulse motor hopping which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper Type Standard paper Xerox 4200 20 1 Special paper OHP sheets for PPC Label sheets PPC sheets use of envelopes or thick paper is not possible Cut sheet size A4 A5 B5 Letter Executive Legal13 Legal14 Special size Paper width 148 to 216mm Paper length 210 to 355 6mm Weight 16 to 24 Ib 60 to 90 g m Paper setting quantity 500 sheets of paper weighing 64 g m 1 2 External View and Component Names Guide L 2nd Assy Figure 1 1 External View and Component Names 41356901TH Rev 2 176 2 MECHANISM DESCRIPTION 2 1 General Mechanism The High Capacity Second Paper Feeder feeds the paper into the printer by receiving the signal from the printer whic
29. C 8 8 C 9 9 C Ground for LED 10 C 11 C 12 C Out C Common 41356901TH Rev 2 117 PANEL Connector Pin Assignment To operator panel Description 1 Load 2 Logic groud 3 PDATAOUT P Data output 4 PDATAIN P Data input 5 5V 5V power supply 6 0 PSCLK N Clock I O C Common ENVELOPE Connector Pin Assignment To option feeder Description 5 8 PAPERIN N Paper sense 1 2 7 OPTSCLK N Clock 1 4 DATA N Data 3 6 PAPERIN N OPT send data ready OVP Analog groud 38V 30V power supply OV Logic gound 5V 5V power supply dn 0 Out C Common 2ND TRAY Connector Pin Assignment To option tray Description 1 PAPERIN N Paper sense 1 2 OPTSCLK N Clock 3 DATA N Data 4 PAPERIN N OPT send data ready 5 OVP Analog groud 6 38V 30V power supply 7 OV Logic gound 8 5V 5V power supply In O Out C Common 41356901TH Rev 2 118 9 0 20 Bojeuy YOUMS N ET3SuL 92 92 Bojeuy Aiddng vc Bojeuy ON 22 YL N ZI3SuL uo 18728 N NOLV3H 61 02 aounos pue Nos TUN ASEt 21 05 pue eda pes LI 8l 21501 1 punos6 21501 JAO 9 Aiddns pe
30. Contents 200 m SEC 1 SEC Factory Setting 200 m SEC PCL only Press the ON LINE key ON LINE XXX Setting completed X gt lt PCL AUTO HEX DUMP PRR or FX 41356901TH Rev 2 136 CENTRONICS PARALLEL INTERFACE 1 Connector e Printer side 36 receptacle single port Type 57RE 40360 730B D29A made by Daiichi Denshi CN AX05841A36AT made by Ougat or equivalent Cable side 36 plug Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable e Cable length 6 1 8 max A Shielded cable composed of twisted pair wires is recommended for noise prevention Note Cable is not supplied with the printer and is not available from Oki 41356901TH Rev 2 137 3 Table of Parallel I F Signals Pin No Signal name DATA STROBE Signal direction Functions Parallel data sampling strobe DATA 1 DATA DATA DATA BIT DATA BIT DATA BIT DATA BIT IN o Jou A N DATA BIT PR Parallel input and output data ACKNOWLEDGE Completion of data input or end of a function BUSY During print processing or alarm PAPER END End of paper SELECT Select state ON LINE AUTOFEED Request to change mode Not used OV Signal ground CHASSIS
31. GROUND Chassis ground 5V 50 mA max OV Signal ground INPUT PRIME Initializing signal FAULT End of paper or during alarm Signal ground Not used High level 3 3 SELECT IN Connector pin arrangement Request to change mode 41356901TH Rev 2 138 4 Signal Level LOW 0 8 HIGH 4 2 4Vto5 0V 5 Specifications Item Description Mode Compatibility mode Nibble mode ECP mode Data bit length 8 bits in the compatibility mode Input prime Valid Invalid Receive buffer 8K 20K 50K 100K 1M Bytes Control Handshaking control is performed in each mode Data received from the host is stored in the receive buffer Busy control is performed Signal lead control is performed 41356901TH Rev 2 139 6 Timing Charts a Data receiving timing PARALLEL DATA DATA BITs 1 to 8 DATA STOROBE BUSY ACKNOWLEDGE 0 5 us min 0 5 min 0 5 max 0 5 us min lt 0 5 us min 0 5 us to 10 us He 0 min b On line off line switching timing by ON LINE SW ON LINE SW BUSY SELECT 100 ms max c Off line gt on line switching timing by ON LINE SW ON LINE SW BUSY SELECT ACKNOWLEDGE 0 min 100 ms max 0 5 us to 10 us d INPUT PRIME timing when set to the effective INPUT PRIME signal INPUT
32. Logic power supply Data bit 27 24 74 Address bit 15 Data bit 11 25 75 0 address bit 16 Data bit 28 26 76 C Logic ground Data bit 12 27 77 0 Address bit 17 Data bit 29 28 78 0 Address bit 18 Data bit 13 29 79 0 Logic power supply Data bit 30 30 80 0 Address bit 19 Data bit 14 31 81 0 Address bit 20 Data bit 31 32 82 C Logic ground Data bit 15 33 83 Address bit 21 DRAS2 N DRAM select 2 34 84 0 Address bit 22 DRAS3 N DRAM select 3 35 85 Address bit 23 DRAS4 N DRAM select 2 36 86 Logic ground DRAS5 N DRAM select 5 37 87 0 Logic ground DCAS3 N DCAS3 38 88 C Logic ground DCAS2 N DCAS2 39 89 RSRTSO N RS232C request to send DCAS1 N DCAS1 40 90 CS1 N ROM SRAM select 1 DCASO N DCASO 41 91 CS2ZN ROM SRAM select 2 RD N RD N 42 92 CS3 N ROM SRAM select 3 WR N 43 93 SCRREQ P SCC send request INT1 N Interrupt request 1 44 94 C Logic ground INT2 N Interrupt request 2 45 95 SCSREQ P 5 receive request EEPRMCS1 P EEPROM select 46 96 050 select 0 EEPROM clock 47 97 11051 1 SSTXD P EEPROM data 48 98 RSTXDO N RS232C send data DRDY N Data read 49 99 8 85232 line voltage 8 RS232C line voltage 50 100 RSRXDO P RS232C receive data RESET N Reset signal 41356901TH Rev 2 122 eer I 123 Resistance Check 7 3 wool
33. Replacement 178 3 2 die canvas 180 3 3 Parts Replacement Methods 02 enne 181 3 3 1 Stepping Motor Hopping 182 3 8 2 1058 2 testes eti 184 3 33 Hopping Roller Shaft Assy and One way Clutch Gear 184 4 TROWBEES HOOT ING een po He DH et Deni 185 4 1 Precautions Prior to the Troubleshooting eet rg tu steaks 185 4 2 Preparations for the 185 4 3 Troubleshooting 2 242244 0 100 eese 186 4 3 1 LCD Status Message 186 55 CONNECTION DIAGEURM iita eme tere tute ies 188 5 1 Interconnection Diagram nnn nennen nennen 188 5 2 ets ni factor DX acto RE 189 lt uiti e a reciente 190 41356901TH Rev 2 6 1 CONFIGURATION 11 System Configuration OKIPAGE 14ex consists of control and engine blocks in the standard configuration as shown in Figure 1 1 In addition the options marked with asterisk are available 41356901TH Rev 2 7 1 Cassette High Capacity Second Pap
34. and generates bit image data which is transferred to the LED head in one dot line units Through the electrophotographic process mechanism the data is printed on the paper The operator panel is used for operations and status display OKIPAGE 14ex block diagram is shown in Figure 2 1 41356901TH Rev 2 16 Expansion Board RS232C Interface Board Option Option Main Control Board For optional board Program amp Font ROM Resident RAM 8MB Mask ROM 2MB x 2 DRAM 4MB EEPROM Multi Purpose Feeder Option High Capacity Second Paper Feeder Option Centronics parallel I F drive circuit 741507 1 Chip CPU USB I F ML60851 FAN Driver Drum motor amp Registration motor 5V circuit Unit Cover Inlet sensor 1 open 5V switch pee 1 1 Inlet sensor 2 1 High voltage generation circuit Paper sensor 1 1 1 Outlet sensor LSI 1 Paper out sensor i ae ee ee Vio i 1 t Toner low sensor Heater drive circuit 1 Wea ec iat AC DC Converter Filter circuit Figure 2 1 OKIPAGE 14 Block Diagram Toner supply roller Power Supply Unit 41356901TH Rev 2 17 2 1 Main Control Board The main control b
35. be recovered by removing the jammed paper by opening the upper cover removing the jammed paper and closing the upper cover Cause of error Paper input jam The paper is in contact with the inlet sensor when the power is turned on After hopping operation is attempted three times the leading edge of the paper does not reach the inlet sensor Paper feed jam The paper is in contact with the paper sensor when the power is turned on The leading edge of the paper does not reach the paper sensor within a predetermined feeding distance since the paper has reached the inlet sensor The trailing edge of the paper does not pass over the paper sensor within a predetermined feeding distance after the same has passed over the inlet sensor The leading edge of paper does not reach the outlet sensor within a predetermined feeding distance after the paper has reached the paper sensor Paper exit jam The paper is in contact with the outlet sensor when the power is turned on The paper does not pass over the outlet sensor within a predetermined feeding distance after the leading edge of the paper has reached the outlet sensor The paper size check for manual feeding finds that the paper size is free size Paper size error The size of the paper is monitored by the inlet sensor 1 The paper is not detected by the inlet sensor 1 within predetermined feeding distance The inlet sensor 2 detects that the size of the load
36. blurred entirely Figure 6 3 Dark background density Figure 6 3 Blank paper is output Figure 6 3 Black vertical belts or stripes Figure 6 3 Cyclical defect Figure 6 3 Prints voids Poor fusing images are blurred or peels off when the printed characters and images on the paper are touched by hand White vertical belts or streaks Figure 6 3 A Light or blurred Dark background Blank paper images entirely density cc D Black vertical belts Cyclical defect E White vertical belts or stripes or streaks Figure 6 3 41356901TH Rev 2 101 D Images are light or blurred entirely Y No YNo Is toner low is the TONER LOW message displayed Yes Supply toner Is paper of the specified grade being used No Use paper of the specified grade Y Yes Is the lens surface of the LED head dirty Yes Clean the lens LED head YNo Is the LED head being installed properly check the HEAD1 PC connector and 02 connectors of the main control board and PC connector on the LED head for proper connection LED head cable No Install the LED head properly Y Yes Is the contact plate of the transfer roller in contact with the gt contact assembly of the power supply sensor board prop lt 2 1 HEAD erly see Figure 6 5 Main control board Adjust the contact plate of
37. of the test the corresponding error message is displayed on the LCD Press the ON LINE key to cancel this mode 5 EEPROM Reset EEPROM areas including Menu level 2 are set to the factory default values See Table 4 1 following items are excluded Head drive time setting Fine adjustment of printing start position Standard tray paper feed amount setting Transition to the operation mode occurs upon completion of resetting Press the MENU key to update each category The operation returns to the first category after updating the last category in a loop 41356901TH Rev 2 151 6 SIDM Emulation Disable 7 DRAM Memory Test 8 System Maintenance Mode Menu System 1 3 LCD display SYS MNT Press the PAGE CNT nnnnnn Press the PAGE PRT DISABLE Press the CONT PRT Press the LOOPTEST Press the EEPROM RESET Press the SIDM ENABLE DRAMTEST Press the MENU key Press the INITIAL IZING ON LINE XXX MENU key MENU key MENU key Engine Maintenance Mode MENU key MENU key Press the 4 or gt key Press the ENTER key de Press the ENTER key B Press the ENTER key gt MENU key Press the lt 4 or key lt lt PAGE PRT ENABLE
38. operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the reset lever R 5 Detach the reset spring from the lower base unit turn the reset lever L in the direction of arrow A until it stops and remove it in the direction of arrow 6 Unlock two latches of the lower base unit then remove the stacker cover assy Note When reinstalling the reset lever fit it onto the guide of the lower base unit turn it in the direction of arrow C while pressing down the shaft of back up roller and engage the reset lever L 41356901TH Rev 2 59 3 3 12 Registration Roller 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit See 3 3 4 5 Remove the motor assy see 3 3 9 6 With the lower base unit standing its side remove the one way clutch gear and the bearing 7 Remove the Registration Gear by unlocing latch of the Gear 8 Remove the Registration Bearing L 9 Press the registration roller Assy in the direction of arrow A and lift up the left side of it then remove the registration roller Assy 10 Pull out the registration roller Assy in the direction of arrow B 11 Remove the pressure roller gear by unlockin the lach of the gear 12 Remove the bearing Registration L 6 and besring Registration R 7
39. paper exits through the face up route 12 External View and Component Names Paper Feed Cover Roller A Front Cover Paper Support Paper Guide L Roller B Figure 1 1 41356901TH Rev 2 157 2 MECHANISM DESCRIPTION 21 General Mechanism The Multi Purpose Feeder feeds the envelopes and paper into the printer by receiving the signal from the printer which drives the pulse motor inside the Multi Purpose Feeder and this motion is transmitted to rotate roller A and B The envelope or paper is delivered from the separator into the printer Once delivered into the printer the envelope or paper is then controlled and fed through by pulse motor registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the envelope or paper being set one sheet at a time After the envelope or paper is set in the Multi Purpose Feeder the pulse motor moves the envelope or paper and a single envelope or paper caught by the separator is fed into the printer Paper Support Planet Gear Printer Pulse Motor Roller A Roller B Back up Roller Hopping Roller Shaft Assembly Transfer Roller Registration Roller 41356901TH Rev 2 158 3 1 PARTS REPLACEMENT This section covers the procedures for the disassembly reassembly and installations in the field This section describes the disassembly procedures and for reassembly procedures basically proceed with the disassem
40. received from the RD signals If any error occurs the error message is displayed on the LCD 41356901TH Rev 2 147 Appendix E DIAGNOSTICS TEST 1 Maintenance Modes The maintenance modes consist of the user maintenance mode which are released to the user and the system and engine maintenance modes in the maintenance personnel level not released to the user Press the MENU key to update each category The operation returns to the first category after updating the last category in a loop Press the Enter key to execute the function being displayed To exit from any of these modes during a category display press the Recover or ON LINE key and the operation mode will start 1 1 User Maintenance Mode Toenterthe user maintenance mode turn the power on while keeping the MENU key pressed down This mode uses the menu for function selection The user maintenance mode provides the following functions Hex Dump The data received from the host higher position is dumped in hexadecimal notation to the printer Printing is activated automatically when the received data exceeds one page If the received datais less than one page printing can be activated manually by pressing the FORM FEED key after desetting the off line mode by pressing the ON LINE key automatic activation of printing even when the received data is less than one page is possible by selecting the Auto Eject function on the menu The only way to exit from
41. the main control board or power supply sensor board 41356901TH Rev 2 109 Figure 6 4 41356901 2 110 Contact plate for transfer roller Power supply sensor board Figure 6 5 111 41356901 Rev 2 WIRING DIAGRAM 7 Interconnect Signal Diagram 7 1 9 EV 1 1 ye H OL ail NOLV3H m MSOV 1910 jddng 19001 wnq o6Jeu jaued 1021990 1 20 27 AL HNO 99 oDejoA M01 19114 1 pog adsis C gt 19104 Aggy 198110 eDeyoA Ast 1009 Jaded ASSY 1021009 NSt 105095 190 105495 pu3 Jede MS 4990 13109 d C mwe 2 4 1105496 1 X 5 mia 2 0 J9JsueJ Biel elo 4 uodo IS VERSES 5 B ess RS n n ene es HOMO I So Av te 7 i 2 aNg 8 5221 2 _ ono rr Y 5 gt MOd NV 45 6 amp 9
42. the shaft of the transfer roller properly Y Yes Replace the transfer roller Y Has the problem been solved Yes End YNo Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Y ves Are the contacts of the toner supply roller developing roller image drum and charging roller in proper contact with the contact assy see Figure 6 4 9 B O D 0 No Adjust the contacts so that they touch the contact assy properly Y Yes Replace the image drum cartridge Y Has the problem been solved Yes End Note Afterreplacing the image drum cartridge setthe printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook Y No Is the LED head being installed properly check HEAD1 and HEAD 2 connectors on the main control board and PC Connector on the LED head No Install the LED head properly Y Yes Replace the LED head or the head cable s Y Has the problem been solved Y Yes End YNo Replace the main control board or power supply sensor board 41356901TH Rev 2 107 7 Poor fusing images are blurred or peels off when the printed characters and im ages on the paper are touched by hand Is paper of the specified grade being used Use paper of the specified grade Y Yes Is the tension between the back up roller 7 52kg and the surface of back u
43. the transfer roller to make proper contact with the power supply sensor board and shaft of the transfer roller Y Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartrige in contact with the contact assembly properly see Figure 6 4 amp and B No Adjust the contacts of the developing and toner supply roller to make a proper contact with the contact assembly Y Yes Replace the transfer roller Y Has the problem been solved Yes End Replace the image drum cartridge Y Has the problem been solved Yes End Note Afterreplacing the image drum cartridge setthe printer in the user maintenance mode by turning the power on while pressing the MENU key and reset drum counter see Printer Handbook Y No Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Y Yes Replace the main control board or power supply sensor board 41356901TH Rev 2 102 2 Dark background density Has the image drum been exposed to external light Yes Install the image drum in the printer and wait about 30 minutes YNo Perform the cleaning page function see Section 5 2 2 Y Has the problem been solved Yes End Y No Is the heat roller of the fusing unit dirty Yes Clean the heat roller YNo Is the contact of the cleaning roller of the image drum cartridge in contact with the co
44. this mode is by turning the power off Menu Reset settings for Menu level 1 are reset to factory default values The menus for all executable emulations including options are reset to factory default values See Table 4 1 operation mode starts automatically upon completion of resetting Drum Counter Reset This function resets the drum life data when the user replaces the image drum unit operation mode starts automatically upon completion of resetting X Adjust Y Adjust This function sets the first character printing position on the first line operation mode starts automatically upon completion of resetting 41356901TH Rev 2 148 5 Operator Panel Menu Disable This function is for enabling and disabling the operation panel menu functions Menu 1 Menu 2 Tray Select Copies and Paper Size 6 Receive Buffer Area size 7 ECP Receive Disable 8 Designated for 2nd Tray command for PCL5 Emulation is set 9 Place Page 10 Setting 11 Jam Recovery amp Print Performance for continuous mode 12 Powe Save Mode Disable 41356901TH Rev 2 149 LCD display USER MNT Press the MENU key Press the ENTER key MENU RESET Press the ENU key Press the ENTER key HEX DUMP Press the MENU key Press th
45. 0 A Screwdriver a 41356901TH Rev 2 164 3 3 3 OLEV 11 PCB 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the connector 1 3 Remove 2 screws 2 and remove the OLEV 11 PCB 3 When reinstalling the printed circuit board be careful to make sure that the sensor plate is being set correctly Sensor Plate 41356901TH Rev 2 165 3 34 Pulse Motor 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove 2 screws 1 and remove the pulse motor 2 41356901TH Rev 2 166 3 3 5 Planet Gear 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove 2 screws 1 and remove the motor bracket assembly 2 and planet gear 3 41356901TH Rev 2 167 3 36 Roller A and B While only the removal procedure roller A is described here the removal procedure for roller B is basically same When removing roller B however be careful not to deform the sensor plate emove the upper frame see 3 3 2 steps 1 through 3 1 emove the separator assembly see 3 3 2 emove the OLEV 11 PCB see 3 3 3 emove the motor bracket see 3 3 5 Remove the gear 1 Shift the roller A to the right lift it on its left side and slide it out the bearing also comes off while you are doing this so be careful not to lose it 1 2
46. 0 240V Cassette sensor plate 3PP4083 6154P001 Cassette Assy Paper 40473001 Earth plate 4PP4083 6137P001 51011601 Face up stacker cover assy 2PA4128 1143G001 51011301 Frame Assy OP Panel Cord assy OP 40715207 41445901 ODA OEL INT Link pull block 4PP4122 1170P001 Cassette lock lever Cassette lock lever spring 3PP4083 7653P001 4PP4083 7655P001 Sheet spring 4PP4083 7666P001 Beam Sheet link L assy 3PP4083 7660P001 4PP4083 7657G001 Sheet link R assy 4PP4083 7658G001 FG plate 2nd FG plate bm 4PP4083 7662P001 4PP4083 7665P001 Connector cord 3YS4111 3527P001 Plate Guide PCB 41301701 Polyethylene Tape 4 4061 5115 001 Guide Paper H 40828301 CS RING CS3 SUS 4PB4013 3501P002 Board MN6 40755408 Board MN8 41047304 41356901TH Rev 2 131 Appendix A RS 232C SERIAL INTERFACE option 1 Connector e Printerside 25 pin receptacle Type DB 25S made by Canon or equivalent Cable side 25 plug Type DB 25S made by Canon Shell Type DB C8 J10 F2 1 made by Nihon Kouku Denshi or equivalent Note Plug shall be fixable with a lock screw 2 Cable e Cable length 6 ft 1 8 m max cable shall be shielded Note Cable is not provided 3 Interface signal Pin No Signal name Abbreviation Signal direction Functions Frame Ground Frame Ground
47. 190 205 C transpar ency 170 185 C A safety thermostat cuts voltage supply to the heater off by opening the thermostat in the event of abnormal temperature rises The back up roller is held under a pressure of 3 76 kg applied by the pressure spring on each side Heater roller Separation claw Heater Thermistor Back up roller Pressure Spring 41356901TH Rev 2 35 7 Cleaning When the transfer is completed the residual toner left on the image drum is attracted to the cleaning roller temporarily by static electricity and the image drum surface is cleaned Image drum Cleaning roller Transfer roller 8 Cleaning of rollers The charge transfer and cleaning rollers are cleaned for the following cases Warming up when the power is turned on Warming up after the opening and closing of the cover When the number of sheets accumulated reaches 14 or more When the print out operation ends Changes in bias voltage applied to each roller move the attaching toner off the roller to the image drum and return it to the developer 41356901TH Rev 2 36 2 3 4 Revision of LED Head Illumination An LED correcting head which is capable of correcting the illumination of the LED for each dot is being used in this printer LED illumination correction function of 16 steps is carried out by using an EEPROM which is installed in the LSI that maintains the LED illumination correction values and an LED c
48. 356901TH Rev 2 68 3 3 21 Power Supply Sensor Board High Voltage Unit and Contact Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the lower base unit see 3 3 4 3 Remove the M7E PCB See 3 3 20 4 Remove the AC inlet 1 from the base plate 2 b Remove the screw 3 and remove the grounding earth wire 4 6 Remove the Ferite core 9 from the grounding wire 7 Remove nine screws 5 and remove the power supply sensor board and contact assy together 8 Unlock two latches 8 and remove contact assy from the power supply sensor board 9 Remove the Insulation plate from the base plate 2 Note 1 Becareful about the sensor paper supply when reinstalling the lower base 2 sure that no excessive force is applied to the power supply switch 3 When installing the power supply sensor onto the base plate be careful not to bend the base plate it is desirable to place a block underneath it to prevent bending 41356901TH Rev 2 69 3 3 22 Cassette Guide Assy 1 Remove the paper cassette 2 Remove the upper cover assy see 3 3 1 3 Remove the lower base unit See 3 3 4 4 Remove the M7E PCB see 3 3 20 5 Remove the power supply sensor board see 3 3 21 6 Remove two screws 1 and remove the guide rails 7 Remove the screw and remove the cassette guide L Assy by shifting it in the direction of the arrow as shown be
49. 4 Remove the connecting cables 2 and 3 of the pulse motors from the connectors DM RM of the Q b Remove the LED head cables 4 and 5 from the connectors HEAD1 HEAD2 6 Remove the connecting cable 8 of the heater from the connector CN2 7 Open the manual feed guide assy remove six screws 7 then remove the lower base unit 41356901TH Rev 2 52 3 3 5 Pulse Motor Main Drum 1 Remove the upper cover assy see 3 3 1 2 Remove the lower base unit See 3 3 4 3 Remove two screws 1 and remove the pulse motor main drum from the motor bracket 3 N 41356901TH Rev 2 53 3 3 6 Pulse Motor Registration 1 Remove the upper cover assy see 3 3 1 2 Remove the lower base unit see 3 3 4 3 Remove two screws 1 and remove the pluse motor registration from the motor bracket 3 41356901TH Rev 2 54 3 3 7 Up Stacker Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the screw 1 and remove the Sumi card operator panel cable off the latch section of face up stacker Assy Remove both the shield plate 3 and face up stacker together 4 Unlock the latches at two locations and remove the face up stacker 41356901TH Rev 2 55 3 38 Eject Roller Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy
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51. Blectrophotographic Process ae ta Deere pU xac Ex vea BE 21 2 3 1 Electrophotographic Process Mechanism sese 21 2 3 2 Electrophotographic Process 24 2 3 3 Process Operation Descriptions sse 27 2 3 4 Revision of LED Head 37 2 4 Paper Jam Detection sica coo dosis err ei rus 38 2 5 81 40 2 6 Toner Low Detection 41 PARTS BEPEACEMENT decere a co terere Te rri ak 43 31 Precautions for Parts 43 3 2 HT 45 3 3 How to Change oo gei i i uta 48 3 3 1 Upper Cover ASSy Let aia Mae ei dato etie 49 3 3 2 LE DIAG AG i erae ED IR LR OMM eren 50 3 3 3 Oper tor Panel ASSy ei penc bem 51 3 3 4 Lower Base Unit te repete ead eee 52 3 3 5 Pulse Motor Vain Dru 2 adn dat 53 3 3 6 Pulse Motor 54 3 3 7 Face Up Stacker ASSy dieit e t be 55 3 3 8 Eject Holler ASSY i to ed SU P CREER HER IRAE 56 3 3 9 MOr ASSy cci e E ie
52. D of the operator panel Take proper corrective action as directed by messages which are being displayed on the LCD lt ODA OEL INT gt OKI OKIPAGE 4ex DIGITAL LED PRINTER ENTER Recover Power Save PAPER SIZE TRAY TYPE FORM FEED Print Menu Print Fonts Print Demo Press 2 seconds 5 utr A5 LGL E A4 Status message display Ready LED display oi Blinking On Undefined 41356901TH Rev 2 81 6 5 Troubleshooting Flow Shouldthere be a problem with the printer carry outtroubleshooting according to the following procedure flow Problems Problems gt indicated by LCD message Troubleshoot from the LCD gt status message list See Section 6 5 1 Carry out a detailed troubleshooting with the troubleshooting chart See Section 6 5 2 Image problems M and problems which are not indicated by LCD message 6 5 1 LCD Status Message Problem List Carry out a troubleshooting with the troubleshooting chart See Section 6 5 3 The status and problems which may be displayed by messages on the LCD are listed in Table 6 1 82 41356901TH Rev 2 1000 JOU 1dnujeju uondeox3 10559201000 ul yey Sesn uud siy eouiS 0N 04109 eoejda yes siy A
53. HZ min VIL VSS NE Device Connected 22 548 Full speed Device Connect Detection DisConnect Detected VIH VSS gt 2 5uS Device Connect Connected Detected d Differential Data Jitter TPERIOD Differential 2200 Data Lines VCRS Consecutive Transitions LN TPERIOD Transitions TPERIOD TxDJ2 TPERIOD 12Mbps 0 25 TxDJ1 Min 3 5ns Max3 5ns TxDJ2 Min 4ns Max4ns 41356901TH Rev 2 145 Differential to EOP Transition Skew EOP Width Crossover Point TPERIOD Extended Crossover Differential 4 4 Points Data Lines Diff Data to SEO Skew N TPERIOD f Receiver Jitter Tolerance TPERIOD Differential Data Lines TxDEOP 2ns 5ns Source EOP Width TFEOPT 160ns 175ns S Receiver EOP Width TFEOPR 80ns IxJR 4 Consecutive EN Transitions 4 N TPERIOD TxJR1 Paired Transitions N TPERIOD TxJR2 IxJR2 TxJR1 Min 18 5ns Max18 5ns TxJR2 Min 9ns Max9ns 41356901TH Rev 2 146 Appendix TEST RS 232C INTERFACE 1 Connect the test connector DB 25S made by Cannon or equivalent Test Connector Connection Diagram 2 Select LOOP Test in the system maintenance mode The codes transmitted from the TD signals are comparatively checked with the data
54. Multi purpose Feeder 11 Warm up time 45 seconds typical at room temperature 68 F 20 C AC 120 230 V First page print time 7 5 seconds typical for the Letter size paper after warm up Automatic feed or manual feed Face down face up 600 x 600 dots inch 600 x 1200 dots inch 120 5 596 15 230 10 41356901 2 12 11 Power consumption Peak Typical operation Idle Power save mode 12 Temperature and humidity Temperature In operation Power off mode During Storage 120VAC 230VAC Approx 600W Approx 600W Approx 340W Approx 340W Approx 75W Approx 66W Approx 10W Approx 11W Humidity Maximum wet bulb temperature Minimum difference between wet and dry bulb temperatures 1 Storage conditions specified above apply to printers in packed condition 2 Temperature and humidity must be in the range where no condensation occurs 13 Noise 14 Consumables Temperature C 32 28 T Operation range 20 80 During operation Standby Quiet mode Toner cartridge kit Image drum cartridge Humidity 53 dB A or less 38 dB A or less Back ground level ODA 2 000 5 duty 4 000 optional 4K Toner 5 duty 2 500 5 duty 4 000 optional 4K Toner 5 duty 20 000 at continuouts printing 14 000 3 page job without Power Save 9 000 1 page job without Power Sa
55. OKI OKIPAGE 14ex LED Page Printer Maintenance Manual ODA OEL INT 1 196 2000 09 21 Document Revision History Corrected items Page Description of change Person in charge EMP Ono 2001 03 19 NP39 H Ono 41356901TH Rev 2 2 PREFACE This Maintenance Manual describes the field maintenance methods for LED Page Printers This manual is written for use by service persons Please note that you should refer to the Printer Handbook for the handling and operating methods of the equipment 41356901TH Rev 2 3 1 5 CONFIGURATION 7 System 7 1 2 Printer GonfigurallO 9 13 Optional o iam ect oo iuis 10 UE Specification mtr 12 1 57 Sately Standards uiu bisecting cs 14 1 5 1 Certification Labeler cate tette Ire et t ete da itus 14 1 5 2 Warming Label osa iE eMe D Me RR 14 1 5 3 Warning Caution nennen nnn nennen nnns 15 OPERATION DESCRIPTION sssssssssesssssssessseessesssessnecssesonsesseesseraneessesseessseeseesaes 16 21 BOSG s xe aret eot me parri aw a 18 2 2 Power Supply Sensor 2 244 4 19 2 3
56. a Various counter data page counter drum counter Adjusting parameters LED head drive time print start position paper feed length 5 Parallel Interface Parallel data is received from a host system via parallel interface which conforms to the IEEE1284 specification 6 USB Interface Serial data is received from a host system via USB which conforms to the USB 1 1 specification 41356901TH Rev 2 18 2 2 Power Supply Sensor Board The power supply sensor board consists of an AC filter circuit a low voltage power supply circuit a high voltage power supply circuit heater drive circuit and photosensors 1 Low Voltage Power Supply Circuit This circuit generates the following voltages Output voltage Logic circuit supply voltage Motor and fan drive voltage and source voltage for high voltage supply Source voltage for high voltage supply 2 High Voltage Power Supply Circuit LED head supply voltage This circuit generates the following voltages required for electrophotographic process from 5 V according to the control sequence from the main control board When cover open state is detected 5 V supply is interrupted automatically to stop the supply of all high voltage outputs 1 3 KV Voltage applied to charging roller Remarks 265 V 300 V Voltage applied to developing roller 500 V 0 V Voltage applied to toner supply roller 500 V to 4 5 KV 1100 V Voltage ap
57. ance modes and it is necessary to select one of the modes when replacing any parts Maintenance Modes and Functions User Maintenance Mode To enter into the user maintenance mode turn the POWER switch on while holding the MENU key down Function There are thirteen functions as follows Menu reset See Table 4 1 e Opepane menu disable Hex dump X adjust Drum counter reset e Y adjust Recieve buffer 2nd Tray ECP disable Place page command Setting Jam Recovery Print Performance for continuous e Power Save disable Detailed descriptions of these functions are provided in Appendix E DIAGNOSTICS TEST System Maintenance Mode Note This mode is used only by maintenance personnel and it should not be released to the end users To enter into the system maintenance mode turn the POWER switch on while holding the Recover key down Function There are seven functions as follows Page count display Loop test Page count printing enable disable EEPROM reset See Table 4 1 e Rolling ASCII continues printing SIDM enable disable e DRAM Memory Check mode Detailed descriptions of these functions are provided in Appendix E DIAGNOSTICS TEST 41356901TH Rev 2 73 4 1 3 Engine Maintenance Mode Note This mode is used only by maintenance personnel and it should not be released to the end users 1 To enter into the engine maintenance mode turn the power on while holding ENTER
58. and FORM FEED keys down 2 Functions of this mode are selected by the menu 3 The way to exit out of this mode varies depending on the settings 4 There are following engine maintenance modes a b 3 Note Head drive time setting Sets the drive time of the LED head 600 x 1200 DPI strobetime relative value Installed LED head indentification Printing start position setting Sets the starting position of printing Drum count total display The total image drum rotation count of the printer as counted by the engine section is displayed on the LCD Drum count display The total image drum rotation count as counted by the engine section is displayed on the LCD Standard tray paper feeding quantity setting Sets the amount of paper to be fed from the standard tray High Capacity Second Paper Feeder paper feeding quantity setting Sets the amount of paper to be fed from High Capacity Second Paper Feeder High Capacity Second Paper Feeder downloading table selection Selects the downloading table of High Capacity Second Paper Feeder Power Envelope Feeder paper feeding quantity setting Sets the amount of paper to be fed from Power Envelope Feeder Power Envelope Feeder downloading table selection Selects the downloading table of Power Envelope Feeder Engine Test Engine Reset All EEPROM areas used by the engine section are reset to factory default values See Table 4 1 After reset the printer return
59. aring L 41584001 Bias spring A 41599601 Special parts for envelope Sensor wire Assembly Roller Pressure 41027701 41281001 Holder Regist L 41279501 Holder Regist R 41279601 Gear Pressure 41279801 Bearing Pressure 41279401 Spring Tension 41281201 Plate Contact PA 41280401 Bearing Regist L 41279301 Gear Regist 41279701 Bearing Ball 41584201 Bracket Motor 41280001 This part is countermesur for envelope wrinkle 5 _ po a _ Both side springs must exchanged at the same time 41356901TH Rev 2 127 Table 8 2 Upper cover unit 41356901TH Rev 2 129 Figure 8 3 unit 41356901TH Rev 2 130 Name Rating Plate base Table 8 3 Base unit Part No 41279901 Remarks ODA Part No Cassette guide L assy 3PP4083 7670G001 51011201 Cassette guide R assy 3PP4083 7671G001 51011301 Sensor plate paper supply 4PP4083 7667P001 51011401 Plate Insulator 41301601 Board M7E 41249206 PCB Assy HV1 41228501 oO Power supply Unit 41087901 Power supply Unit 41088001 Fan motor 41454401 Contact assy 41445801 AC cord 3YS4011 1315P001 120V 51011501 AC cord 3YS4011 1266P001 22
60. aving past the sensor Paper exists No paper exists Paper end sensor Detects the end of the paper Paper exists No paper exists Toner low sensor Detects the lack of toner 41356901TH Rev 2 20 2 3 2 3 1 Electrophotographic Process Electrophotographic Process Mechanism This mechanism actuates the printing of image data supplied by the main control board on the paper by electrophotographic process The layout of the electrophotographic process mechanism is shown in Figure 2 3 41356901TH Rev 2 21 18 01 19 01 d 105095 Josuas Jedeq 19 0119 5 1 1 10809 15915 55 2 jedeg 2910 dn yoeg q31 19 10 eJnsseJg 19001 yun 134 01 eByeuo qng 491 04 1 18 011 Asse 10918 Figure 2 3 22 41356901TH Rev 2 1 Image Drum Unit The image drum unit consists of a sensitive drum a charger a developer The unit forms a toner image on the sensitive drum using a electrostatic latent image formed by the LED head 2 Registration Motor The registration motor is a pulse motor of 48 steps rotation with two phase excitement by the signal from the main control board It drives the hopping and registration rol
61. ber of drum revolutions of the unit counted at the engine block 5 Drum Count Display Displays on the LCD the total number of EP drum revolutions counted at the engine block 6 Factory Adjustment for High Capacity Second Paper Feeder Power Envelope Feeder Do not change the default settings since these are factory settings and were set at the factory 7 Engine Reset No items subjected to All except counters are subjected to reset As a common spec See Table 4 1 41356901TH Rev 2 153 Engine maintenance mode menu system LCD display ENG MNT 16 Writing into the EEPROM is performed after gt key 15 pressing the ENTER key Press the ON LINE key LED HEAD if you wish to get out of this mode 0 0 2 Press the 14 MENU key 15 Press the MENU key Press the lt or gt key 0 54 Writing into the EEPROM is performed after STRB TIM 4 5 050 pressing the ENTER key 0 50 0 46 Press the 042 MENU key Writing into the EEPROM is performed after a 7 Y 300 1W pressing the ENTER key 300 2W 600 4W Press the MENU key Press the PRINTPOS key for shipping Do not change the lt gt 0 5mm efa 0 Press the 3 5 mm MENU key 4 0 DRUM CNT T nnnnnn Press the MENU key DRUM CNT nn
62. bly procedures in the reverse order Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off D and removing the Multi Purpose Feeder from the printer 2 Do not disassemble the Multi Purpose Feeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed circuit boards directly on the equipment or floor 41356901TH Rev 2 159 Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards assemblies and units in the field Table 3 1 Service Tools Service Tools No 1 100 Philips screwdriver Application 2 2 5mm screws Remarks No 2 100 Philips screwdriver 3 5 mm screws 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner 41356901TH Rev 2 160 3 2 Part
63. d in the form of messages on the LCD is provided in Table 4 1 Classification LCD Status Message Description Notifies of occurrence of jam while the paper is being fed from Multi Purpose Feeder Recovery method Check the paper in the Multi Purpose Feeder Carry out the recovery printing by opening and closing the cover and turn the error display off When the problem occurs frequently go through the Troubleshooting Paper size error Notifies of incorrect size paper feeding from Multi Purpose Feeder Check the paper in the Multi Purpose Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening and closing the cover and turn the error display off Tray paper out Notifies of no paper state of the Multi Purpose Feeder Load the paper in Multi Purpose Feeder 41356901TH Rev 2 170 JAM error Paper Inlet Jam Does paper jam at the inlet when the power is turned on YES Isthe paper located above the sensor plate inlet YES Remove the paper YNO Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YYES Replace the power supply sensor board or inlet sensor YNO When the paper is fed in does the paper inlet jam occur YES _ Is the paper being fed to abo
64. dge pass WRITE sensor after sending print data to the drum ID is complete A function to switch Power Save mode Enabel Disable When DISABLE is selected Power Save Level 2 menu will not appear 41356901TH Rev 2 150 1 2 System Maintenance Mode Toenterthe system maintenance mode turn the power on while keeping the Recover key pressed down This mode adopts the menu for function selection system maintenance mode provides the following functions 1 Page Count Display total number of pages counted at the engine block is displayed on the LCD 2 Page Count Printing Enable Disable This function allows the selection to include enable or exclude disable the total number of printed pages counted at the engine block at the time of menu printing 3 Rolling ASCII Continuous Printing rolling ASCII pattern is printed continuously for various engine tests Press the ON LINE key to cancel this mode 4 Loop Test The loop test is for testing the serial I F functions without connecting the printer to the host The data is sent and received by loop back in the loop test loop test is performed even when another interface is being selected in Menu level 2 e Installation of the loop connector is necessary for the loop test referto Appendix LOOP TEST 5 232 INTERFACE realtime loop count is displayed on the LCD When an error occurs in the course
65. e ENTER key DRUM CNT lI RESET Press the ENU key Press the REC BUF Press the MENU key Press the ECP ENABLE key Press the or gt key OP MENU 4 ENABLE Press the c MENU key Press the lt dor gt key X ADJUST J Omm Press the MENU key Press the key Y ADJUST Omm Press the 2ND TRAY dor gt key 5 44 Press the PIACE E ENTER key CENTER Press the MENU key Press the key SETTING 0 Note1 JAMRCVR ENABLE deis PWR SAVE 255 ENABLE Press the ERE or MENU key INITIAL IZING ON LINE XXX MENU RESET NG ON LINE HEX DUMP DRUM CNT RESET NG AUTO 8KB 20KB 50KB 100KB 1MB ECP DISABLE OP MENU DISABLE X ADJUST 0 25mm X ADJUST 0 25mm 2ND TRAY 1 PLACE PG LEFT JAMRCVR DISABLE PWR SAVE DISABLE After the completion of processin ON LINE See Table 4 1 After the completion of processing MJ ONLINE XXX Setting of receiving buffer If you select a large value the data transmitting time from PC will be shortened but Memory Overflow become easy to happen A function to switch IEEE std 1284 parallel I F ECP mode Enable Disable When Level 2 menu Centronics I F bi directional Centronics is set to Disable this becomes inval
66. e Pr nre e P EROR 57 3 3 10 Hopping Roller Shaft Assy 58 3 3 11 Stacker COVer ASSy 59 3 3 12 Registration Roller nt 60 3 3 13 Roller Transfer ASSy este tt ose Co 61 Units cce aaah hed est e ite 62 33415 IBackup ROET soeia E ERE ENESE 63 3 3 16 Sensor Plate 2 4 41 1100000 enne enne 64 3 3 17 Sensor Plate Outlet Sensor Wire Assy 888 65 3 3 18 Manual Feed Guide 0 66 3 3 19 Sensor Plate Paper 01 enne 67 3 3 20 7 68 3 3 21 Power Supply Sensor Board High Voltage Unit and Contact Assy 69 3 3 22 Cassette Guide L Assy 70 29 9 29 Cassette Guide RASSY iiie rte t e e eri iced 71 3 3 24 Spacer Bearing 72 41356901TH Rev 2 4 LUN Wnicqg iz pM 73 4 1 Maintenance Modes and 73 4 1 1 User Maintenance Mode 73 4 1 2 System Maintenance 73 4
67. e assembly 4PA4120 1009G001 12 Cover rear Stick finger 1PP4122 1323P001 4PB4122 1441P001 Hopping flame assembly 1PA4122 1366G001 Bush metal ADF 4PP3522 3568P001 Gear 270 4PP4122 1207P001 Lever sensor p 3PP4122 1331P001 Feed roller assembly 3PA4122 1393G001 Cable amp connector 3YS4111 3528P001 Stepping motor 3PB4122 1399P001 Bracket 4PP4122 1384G001 Gear z24 4PP4122 1383P001 Gear 287 260 4PP4122 1226P001 Plate bottom 2PP4122 1389P001 2nd cassette guide L assy 1PA4122 1365G001 Hopping roller assembly 3PA4122 1367G001 2nd cassette guide R assy 1YX4122 13646002 DID OD HAA aA al One way clutch gear 4PB4122 1382P001 TQSB 2 PCB 4YA4046 1651G002 Spring Tension 41804801 Lever sensor PP4122 1416P001 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 For the rev no of the Parts List for the Front cover assembly should be applied No 6 The No 6 includes a change of Release spring P194 iv For the rev no of the Parts List for the 2nd cassette guide R assy should be applied No 5 In the No 5 the oval hole in the Guide Bracket 195 ii and the hole in the Motor Bracket 195 iii are relocated as shown in the
68. e fusing unit assy see 3 3 14 back up and the bias springs back up and the two ball bearing washer washer 2 Lift the left side of the back up roller and pull it out to the left side at this time two bearing holders C will also come off 2 E Y A s W gt KA 2 AS 63 41356901TH Rev 2 3 3 16 Sensor Plate Inlet 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit see 3 3 4 5 Press the clamps of three sensor plates inlet and paper and remove them by pressing them upward from the bottom Sensor plate paper Sensor plate inlet Sensor plate inlet ais 41356901TH Rev 2 64 3 3 17 Sensor Plate Outlet Sensor Wire Assy 1 Remove the upper cover assy see 3 3 1 Remove the operator panel assy see 3 3 3 Remove the eject roller assy see 3 3 8 Remove the face up stacker assy see 3 3 7 Remove the lower base unit see 3 3 4 Remove the fusing unit assy see 3 3 14 Press the clamps of the sensor plate outlet and remove the sensor plate by pushing it up Turn the clamps of the sensor wire assy remove the sensor wire assy from the lower base unit t 41356901TH Rev 2 65 3 3 18 Manual Feed Guide Assy 1 Remove the upper cover assy see 3 3 1 2 Open the manua
69. e normal moves freely when it is touched No Replace the inlet sensor plate Yes Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board YNo Replace the hopping roller rubber or paper cassette YNo Is the hopping roller rotating Yes Set the paper tray properly No Is the registration motor rotating Yes Replace the one way clutch gear of the hopping roller assembly Y No Is RM connector on the main control board being connected properly No Connect RM connector properly T ves Is the coil resistance normal resistance both between Pins 1 and 2 as well as Pins 4 are about 18 6 Q of the registration motor normal Exit roller No Replace the registration motor j Outlet sensor Y ves Replace the main control board Heat roller Transfer roller Paper sensor x ner Inlet x sensor sensor2 Hopping Paper end sensor Registration roller roller Inlet sensor 1 Paper feeding direction gt 41356901TH Rev 2 95 error 5 2 Paper feed Does the paper feed jam occur when the power is turned on Yes Is the paper on the paper sensor plate Yes Remov
70. e stand 69 9 Remove three remaining screws which are keeping the motor on the motor bracket 62 and remove the connector off the Stepping Motor 9 10 Remove two screws 64 on the Stepping Motor Note The guide bracket 5 must be attached as shown in the following illustration No jutting of the gear shaft 47 is allowed into the oval hole 5 Turn 5 clockwise for screw looseness to affix firmly The upper plate 3 must be at tached as shown in the following illustration 41356901TH Rev 2 183 3 89 2 TQSB 2 1 Remove the pulse motor see 3 3 1 2 Remove the connector from the TQSB 2 3 Remove the screw and remove the 5 2 PCB Note Refer to Detall A in the previous page 3 3 3 Hopping Roller Shaft Assy and One way Clutch Gear 1 Follow up to step 3 of 3 3 1 and remove the hopping frame assy 2 Remove the screw 1 and remove the earth plate Remove the sensor lever T 7 and remove the transion spring and remove the ground plate 6 Remove the gear 3 and remove the metal bush 5 and hopping roller shaft assy 3 Remove the E ring 1 and remove the one way clutch gear on the right side of the feed roller O Note The metal bush 43 also comes off Be careful not to lose it The tension lever and the sensor lever need concurrent replacing 41356901TH Rev 2 184 4 TROUBLESHOOTING 4 1 Precautio
71. e the paper YNo Is the operation of the paper sensor plate normal moves freely when it is touched Replace the paper sensor plate Yves Replace the power supply sensor board YNo Has the paper reached the paper sensor plate No Is the registration roller rotating No Replace the one way clutch gear of the hopping roller assembly Y Yes Is the image drum cartridge being set properly No Setthe image drum cartridge properly Y ves Check the hopping roller assembly or tray Y ves Has the paper reached the outlet sensor plate Yes Is the operation of the outlet sensor plate normal moves freely when it is touched No Replace the outlet sensor plate Yes Clean the outlet sensor on the power supply sensor board or replace the power supply sensor board YNo Is the main drum motor rotating No Is DM connector on the main control board being connected properly No Connect DM connector properly T Yes Is the coil resistance normal resistance both between Pins and 2 as well as Pins 3 and 4 are about 4 20 of the main drum motor correct 2 No Replace the main drum motor Yves Replace the main control board Yves Is the transfer roller rotating 2 a 41356901TH Rev 2 96 2 a Check the gears transfer roller gear idle gear and reduction gear Y Yes Is the fusing unit being installed properly No Install the fusing unit properly Y Yes Is the image drum cartridge being s
72. ed paper is A4 or larger or smaller than A4 The detected paper size differs from the paper size set by command or menu The paper size check for manual feeding finds that the paper size is free size Main drum motor __ Bottom to bottom x aet Paper i Paper Registration motor eni HS 8 ur B pac NHopping sensor TN up qd Checking fot us a Inlet sensor _____ Paper form Paper size check i paper width aie Oe i i i Outlet sensor 4 Jam Monitor l Momper 9 Monitoring Monitoring Top to top jam v paper feed jam paper feed jam x i Paper size check 1 i i Top to bottom Paper length Monitoring to bottom paper exit 1 Paper Feed Timing Chart 41356901TH Rev 2 38 Paper Feed Check List Type of error Monitor Standard value Paper feed error Hopping start In sensor on Paper feed In sensor on Write sensor on Paper feed jam Write sensor on Out sensor on Paper size error In sensor on Out sensor on Depends on the paper length Paper exitjam Out sensor on Out sensor off Depends on the paper length Paper feed jam In sensor off Write sensor Off 22 2 Unit mm Note
73. eder Load the requested size paper in the High Capacity Second Paper Feeder 41356901TH Rev 2 186 JAM error Paper Inlet Jam Does paper jam at the inlet when the power is turned on YES Isthe paper located above the sensor plate inlet e YES Remove the paper YNO Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YYES Replace the power supply sensor board or inlet sensor YNO When the paper is fed in does the paper inlet jam occur YES Isthe paper being fed to above sensor plate inlet YES Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor YNO Replace the hopping roller shaft assy or paper cassette YNO Arethe hopping roller and feed roller rotating YES Setthe paper properly Is the pulse motor turning YES Replace the hopping roller shaft assy or one way clutch gear on the feed roller assy YNO Is the connector being connected properly eNO Connect the connector properly YYES Check the coil resistance approx 4 30 of the pulse motor Is it normal NO Replace the stepping motor YYES Replace the TQSB 2 PCB 41356901TH Rev 2 187 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Stepping motor 2 2 3 b _1M T4 TQSB 2
74. eeding LCD Status Message Table 4 1 Description Notifies of occurrence of jam while the paper is being fed from High Capacity Second Paper Feeder Recovery method Check the paper in the High Capacity Second Paper Feeder Carry out the recovery printing by opening and closing the cover and turn the error display off When the problem occurs frequently go through the Troubleshooting Jam error ejection TRAY2 EXIT JAM Notifies of occurrence of jam while the paper is being ejected from the printer Check the paper in the printer Carry out the recovery printing by opening and closing the cover and turn the error display off Paper size error Notifies of incorrect size paper feeding from High Capacity Second Paper Feeder Check the paper in the High Capacity Second Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening and closing the cover and turn the error display off Tray paper out TRAY2 OOO PAPE REQUE OOO Paper size M Letter Legal etc The 2nd line is shift indicated Notifies of no paper state of the High Capacity Second Paper feeder Notifies of correct paper size for the High capacity Second Paper Feeder Load the paper in High Capacity Second Paper Fe
75. egistration roller to advance the paper in this case the hopping gear also turns but the hopping roller is prevented from turning by the one way bearing The paper is further advanced in synchronization with the print data Image drum Paper Transfer roller Registration roller Hopping roller 41356901TH Rev 2 28 2 Charging Charging is actuated by the application of the DC voltage to the charge roller that is contact with the image drum surface Sub CH Sub charge roller Charge roller Image drum The charge roller is composed of two layers a conductive layer and a surface protective layer both having elasticity to secure good contact with the image drum When the DC voltage applied by the power supply exceeds the threshold value charging begins The applied voltage is proportional to the charge potential with offset of approximately 550V charge potential V 750 550 1300 V applied voltage 41356901TH Rev 2 29 3 Light emitted by the LED head irradiates the image drum surface with a negative charge The surface potential of the irradiated portion of the image drum drops forming an electrostatic latent image associated with the image signal LED head LED h Charge roller one Power supply Paper Image drum Image drum The image drum is coated with an underlayer UL a carrier generation layer CGL and carrier transf
76. er Feeder Operator Panel Multi Purpose Feeder Centronics lt USB lt 85 2326 Expansion Board 1 DRAM SIMM Socket 1 Flash SIMM Socket or RS 232C Serial Interface Board 1 DRAM SIMM Socket 1 Flash SIMM Socket Figure 1 1 rN Engine Unit Face Up Stacker Paper Feeding Mechanism First Tray Unit Electrophotographic Processing Unit Fuser Unit High Voltage Unit and Sensor Board ZN Power Supply o AC Ava gt Main Control Board gt Optional DRAM SIMM Flash SIMM Flash memory 41356901TH Rev 2 8 1 2 Printer Configuration The printer unit consists of the following hardware components Electrophotographic Processor Paper Feeder e Controller Operator Panel e Power Supply Unit The printer unit configuration is shown in Figure 1 2 Upper cover Toner cartridge Type 5 consumable Stacker assy consumable High Voltage Unit sensor board Figure 1 2 41356901TH Rev 2 9 1 3 Optional Configuration The options shown below are available for use with OKIPAGE 14ex These are available separately from the printer unit 1 High Capacity Second Paper Feeder 2 Multi Purpose Feeder 3 Expansion Board
77. er layer CTL on aluminum base The organic photo conductor layer OPC comprising CTL and CGL is about 20 um thick 41356901TH Rev 2 30 image roller surface is charged to about 750 V by the contact charge of the charge roller When the light from the LED head irradiates the image drum surface the light energy generates positive and negative carriers inthe CGL The positive carriers are moved to the CTL by an electrical field acting onthe image drum Likewise the negative carriers flow into the aluminum layer ground The positive carriers moved to the CTL combine with the negative charges on the image drum surface accumulated by the contact charge of the charge roller lowering the potential on the image drum surface The resultant drop in the potential of the irradiated portion of the image drum surface forms an electrostatic latent image on it The irradiated portion of the image drum surface is kept to about 100 V Light V from LED 750 Image drum surface potential 100 0 lt lt lt gil Charged part Part Charged irradiated part by LED 41356901TH Rev 2 31 4 Developing Toner is attracted to the electrostatic latent image on the image drum surface converting it into a visible toner image Developing takes place through the contact between the image drum and the developing roller D As the toner supply roller rotates while rubbing on the developing ro
78. essin ENGINE P Eu ON LINE RESET NG XXX Factory defaut See Table 4 1 XXX AUTO PCL PPR FX HEX 41356901TH Rev 2 155 14 User Factory Set Operation The desired destination can be set by turning the power on while depressing two keys corresponding to the destination according to the following table This function shall not be open for users Destination Keys to be Depressed ODA MENU gt OEL MENU lt INT A A4 MENU PAPER SIZE Australia etc INT L Letter MENU TRAY TYPE Singapore etc 41356901TH Rev 2 156 APPENDIX F MULTI PURPOSE FEEDER MAINTENANCE 1 OUTLINE 1 1 Functions This Multi Purpose Feeder is installed on the front section of the printer and it supplies paper automatically through the operation of pulse motor which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper Types Standard paper Xerox 4200 20 Special paper OHP sheets for PPC label sheets sheets Notguaranteed for OHP sheets with attachments on the edge or reverse side Cut sheet size Letter Executive A4 A5 B5 A6 Special size Width 87 to 216mm Length 148 to 297mm Weight and Thickness 16 0 32 Ib 60 128 g m For labels and Sheets Label sheets 0 1 to 0 15mm OHP sheets 0 08 to 0 11mm When using sheets which exceed 24 lb make sure that the
79. et properly No Set the image drum cartridge properly T ves Clean the paper sensor on the power supply sensor board or replace the power supply sensor board JAM error 2 3 Paper exit jam Does the paper exit jam error occur when the power is turned on Yes Is the paper on the outlet sensor plate Yes Remove the paper YNo In the operation of the outlet sensor plate normal moves freely when it is touched No Replace the outlet sensor plate Y Yes Clean the outlet sensor on the power supply sensor board or replace the power supply sensor board YNo Is the face up stacker pulled out completely from the printer or pushed into the printer completely No Pullthe face up stacker out ofthe printer completely or push it into the printer completely Y Yes Is the eject roller assembly being installed properly No Install the eject roller assembly properly Y Yes Has the coil spring come off the eject roller assembly Yes Install the coil spring to the eject roller assembly YNo Replace the eject roller assembly 41356901TH Rev 2 97 8 Paper size error Is paper of the specified size being used Use paper of the specified size Y Yes Are inlet sensor plates 1 and 2 operating properly moves freely when they are touched No Replace the inlet sensor plate or clean the inlet sensor on the power supply sensor board Y Yes Does the outlet sensor plate operate properly moves free
80. eu 037 Ajddns peeu q31 el v Ajddns 21601 Ajddns 2101 LL 21 oio 10 punouc Indu ejep jenas 2 6 0L jeded jo N SNSUM indino jenas L 8 esues Jaded N ENISd Ag N NdOAD 5 9 195 jo jeubls 90 2 N W10S JejeeH d dNOWYSHL 3 1 eues jo jeubis 1 eouenbeg N H20S YOUMS YL d T3SHuL 2 uonduoseq uonduoseq 119 41356901TH Rev 2 9 no o Ul 12ejeg N NITAS Ajddns AS H 0IDO Td 9 81 99 skemjy 3 Ge L JON ON punoit 9 ve 91 punoit 9S pejoeuuoo ON E in N LINV4 peejoinv N GSSHOLNV 26 vl euudindu _ 0910 d HS 0 n el punoit 95 2 pue Jaded d dd 0 06 e punoit 95 O Asng 4519 62 punoit 2 N MOV 82 0L punoit 5 119820 9 6 42 6 punoit 9 919820 d Vlvd 9 8 92 8 punoit 2 do9vlva 9 L 92 L punoit 2 pugereq dsvivd 9 9 vc 9 punoit 2 eugereq 5 Ez 6 punoit 9 218480 22 punoit 2 deviva l2 punoit ONqgerq
81. following illustrations respectively Guide Bracket Part No 4PP4122 1392P001 Motor Bracket Part No 3PP4122 1345P001 Old _ New 13 5 13 2 Note Parts Nos 3 22 need concurrent replacing 41356901TH Rev 2 195 For the rev no of the Parts List for the Cassette assembly 2nd tray should be applied 10 The No 10 includes a change of cassette and Tale Guide Addition of notch Addition of groove 9 Addition of latch Tale Guide Cassette Note Cassette and Tale Guide need concurrent replacing 41356901TH Rev 2 196 196
82. gear 4 4083 6081 001 51229201 Sensor plate inlet 4PP4083 6083P001 51010701 Lever eject sensor Assembly 40771401 Toner sensor adhesion 4PP4083 6086G001 50405501 Diselectrification bar 4PB4083 6979P001 Heat Assy OP 14i 40470107 Heat Assy OP 14i 40470108 Roller assy Eject 40772501 Manual feed guide assy 40715501 Stacker Assy 41423101 LED head unit 51LS 41366001 Stacker cover damper arm 4PP4083 6191G001 53069101 Frame subassy 41453901 Stacker cover damper 4PB4083 6197P001 51229401 Motor Pulse main 41301901 Motor Pulse regist 40722301 Gear ldle A 260 20 41279001 Gear ldle B 245 16 41279101 Cord LED Assembly 40241702 Image drum unit 41331601 Image drum unit 41331602 Image drum unit 41331603 Toner Cartridge 40433203 Toner Cartridge Type 8 41331701 Toner Cartridge Type 8 41331702 Toner Cartridge Type 8 41331703 41356901TH Rev 2 126 Name Rating Gear Reduction Table 8 1 Lower Base Unit 2 2 Part No 41279201 Remarks ODA Part No FG plate O P 4PP4083 7663P001 Hopping roller rubber 4PB4076 5447P001 Diselectritication Film 3PB4083 6089P001 LED Contact 4PP4083 6173P001 Washer C 4PP4120 1210P001 Washer B 4PP4120 1209P001 Spacer Bearing R 41583901 Spacer Be
83. gure 6 2 No Replace the main control board or the power supply sensor board Y ves Check the heat contacts of the fusing unit and the contact assembly for poor contact see Figure 6 4 contact 6 Themistor contacts Heater connector Figure 6 2 41356901TH Rev 2 99 5 Synchronous serial I O error ERROR 74 or I F timeout between printer tional tray ERROR F2 Is an option tray High Capacity Second Paper Feeder or Power Envelope Feeder being used Yes Is the cable between the main control board and the optional tray being connected properly cable properly Y Yes Replace the main control board Y Has the problem been solved No Check the problem by following the High Capacity Second Paper Feeder maintenance manual of Appendix F Y Yes End Y No Replace the main control board Y Has the problem been solved No Replace the power supply sensor board Y ves End 6 Fan error ERROR 70 Is the fan rotating Yes Replace the main control board YNo Is FAN connector on the main control board being connected properly No Connect FAN connector properly Y ves Replace the fan or main control board 41356901TH Rev 2 100 6 5 3 Image Troubleshooting Procedures for troubleshooting for abnormal image printouts are explained below Figure 6 3 below shows typical abnormal images Problem Flowchart number Images are light or
84. h drives the pulse motor inside the High Capacity Second Paper Feeder and this motion is transmitted to rotate the one way clutch of the hopping frame assembly The paper is delivered from the hopper into the printer through the turning of the hopping roller and feed roller Once delivered into the printer the paper is then controlled and fed through by pulse motor registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time When the paper is loaded in the paper cassette it is then transported by the pulse motor carrying forward only a single sheet caught by the brake shoe at a time Hopping Roller Transfer Roller Handling Hall One way Clutch Roller Pulse Motor Hopping Roller Back up Roller 41356901TH Rev 2 177 3 5 This section covers the procedures for the disassembly reassembly and installations in the field This section describes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order 3 1 Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off removing the printer from the High Capacity Second Paper Feeder 2 Do not disassemble the High Capacity Paper Feeder if it is operating normally 3 Establish the extent of disas
85. iE Ea ra ges arde Crane 112 7 1 Interconnect Signal Diagram asinine Alans beide tees 112 7 2 Layout and Connector Signal 113 733 Resistance Check notaio futbol uice estat ta dtes eaae 123 8 PARTS LIST per n 125 APPENDIX A RS 232C SERIAL INTERFACE OPTION 132 APPENDIX B CENTRONICS PARALLEL 137 APPENDIX C UNIVERSAL SERIAL 143 APPENDIX D LOOP TEST RS 232C 147 APPENDIX E DIAGNOSTICS TEST 22222222 2 148 APPENDIX MULTI PURPOSE FEEDER 157 usn ctn ste tod 157 1 1 FUNCOMS 157 1 2 External View Component Names 157 2 MEGHANISM DESGRIPTIGON 2 ia Per toes 158 2 1 General Mechanism 158 2 2 Hopper MechaniSm 158 41356901TH Rev 2 5 9 PARTS REPLACEMENT 2 eie onem oed o dun sata eect 159 3 1 Precautions Concerning Parts Replacement 159 3 2 Parts ec et rn e te coe eR Fa de 161 3 3 Parts Replacement
86. ible cable properly Y Yes Replace the operator panel assy or flexible cable Y Has the problem been solved No Replace the main control board Y Yes End INITIAL IZING No Replace the main control board message being displayed by the LCD display t Yes 5 ON LINE message being displayed by the LCD display XXX XXX PCL Auto Adobe PS HEX DUMP PPR FX actions according to the LCD status message problem list see Section 6 5 1 for corrective actions Y Yes End 41356901TH Rev 2 93 9 1 Y the measurement of following voltage readings at connector on the power supply board without main control board Voltage between Pins 11 and 16 about 5VDC Voltage between Pins 17 and 16 about 30VDC Voltage between Pins 24 and 16 about 12VDC Y Yes Replace the AC transformer 41356901TH Rev 2 94 error 2 1 Paper input jam Does the JAM error occur when the power is turned on Yes Is the paper at the inlet sensor Yes Remove the paper Y No Is the operation of the inlet sensor plate normal moves freely when it is touched No Replace the inlet sensor plate Y Yes Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board No Does the JAM alarm occur after paper feeding Yes Is the paper fed to the inlet sensor plate Yes 1 the operation of the input sensor plat
87. id regardless of the seting Writing into the EEPROM is performed after pressing the ENTER key Press the ON LINE key if you wish to get out of this mode Writing into the EEPROM is performed after pressing the ENTER key Press the ON LINE key if you wish to get out of this mode Range of Adjustment 2 00mm to 2 00mm 0 25mm steps Writing into the EEPROM is performed after pressing the ENTER key Press the ON LINE key if you wish to get out of this mode Range of Adjustment 2 00mm to 2 00mm 0 25mm steps n the feeding destination selecting command ESC amp I H for PCL5 Emulation designated for 2nd Tray is set As compared with mechanical setting position of paper being a center alignment a printing image is moved in accordance with the left alignment which is the same as HP canon Enable only for PCL Used for fine adjustments when conspicuously scratchy printout results in certain environment special madia continuously Increment when light specs or snow flake like printout occurs in high density print areas Decrement when print results become faded Specifies the Recovery Enabled Disable when an exit jam occurs Enable Guarantees Jam Recovery to allow the paper s bottom edge to pass OUT sensor as in normal usage Disable Increases the print performance for continuous printing that requires large edit memory Demerit is however that this does not guarantee the Jam Recovery after the paper s bottom e
88. idge when white lines or stripes void light printing are generated vertically down the page as shown below Note The LED lens array must be cleaned with an LED head cleaner included in the replacement toner kit White lines or stripes void light printing 41356901TH Rev 2 77 1 Set the LED head cleaner to the LED lens array as shown in the figure then slide the cleaner back and forth horizontally several times to clean the head Note Gently press the LED head cleaner onto the LED lens array LED head clean pad LED lens array 2 Throw the cleaner pad away 41356901TH Rev 2 78 5 2 2 Cleaning Page Function There is a charge roller cleaning function with this printer which can be executed by the user 1 2 5 While the printer is in off line mode press both and gt keys simultaneously for at least 2 seconds The printer enters the cleaning mode The LCD displays CLEANING on the upper line and on the lower line MANUAL LETTER REQUEST is displayed scrolling one character width at a time from right to left LETTER on the lower line may instead be A4 depending on the printer designation While the lower line scrolls the message the message on the upper line remains fixed in place When the above messages appear on the LCD the user can verify that the printer has entered the cleaning mode and that it is requesting insertion of a letter or A4 size paper into the
89. in drum motor Description 1 Coil 1 N DMPH1 N Coil 1 P DMPH2 P Coil 2 N DMPH2 N Coil 2 P w Excitation sequence Line Color Yellow Black Orange Brown Rotary direction Clockwise wiewed from the output axis In O Out C Common 41356901TH Rev 2 115 RM Connector Pin Assignment To registration motor Description Coil 1 N Coil 1 P Coil 2 P 1 1 2 1 3 2 4 2 In O Out Excitation sequence Coil 2 N Line Color Rotary direction Clockwise wiewed from the output axis 41356901TH Rev 2 116 HEAD Connector Pin Assignment To LED head HEAD2 Connector Pin Assignment To LED head Description 14 0 HDSTB4 N Strobe 4 13 0 HDSTB3 N Strobe3 12 0 HDSTB2 N Strobe 2 11 0 HDSTB1 N Strobe 1 10 0 HDDLD P Load 9 9 0 3 3V 3 3V power supply for LED driving 8 8 0 HDD1 P Data 1 7 7 0 HDDO P Data 0 6 6 C OVLED Ground for LED 5 5 0 HDD3 P Data 3 4 4 0 HDD2 P Data 4 3 3 C OVLOGIC Ground for logic 2 2 0 HDCLK P Clock 1 1 C OVLOGIC Ground for logic Q Out C Common Description 1 1 0 2 2 0 2 3 3V power supply for 4 4 0 LED driving 5 5 0 6 6 0 7 7
90. l feed guide assy and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy Note When remounting verify the proper the engagements as shown in the diagram 41356901TH Rev 2 66 3 3 19 Sensor Plate Paper Supply 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit See 3 3 4 5 Press the clamps of the sensor plate paper supply to unlock the latch and remove it from the base plate View 41356901TH Rev 2 67 3 3 20 M7E PCB 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit see 3 3 4 b Remove the connector 2NDTRAY 6 Remove three screws 1 7 Move the M7E PCB in the direction of arrow to disconnect it from the power supply sensor board 8 Remove the connector disconnect fan motor 9 Remove the M7E PCB together with the PCB guide plate remove the fan motor at the same time 10 Remove three screws 8 and remove the PCB guide plate from the M7E PCB Note Whenreinstalling the M7E PCB onto the guide plate 7 be careful not to bend the base plate it is desirable to place a block underneath it to prevent bending 41
91. ld Only the disassembly procedures are explained here For reassembly reverse the disassembly procedure 3 1 Precautions for Parts Replacement 1 Before starting to replace parts remove the AC cord and interface cable a Remove the AC cord in the following sequence i Turn off o the power switch of the printer ii Disconnect the AC inlet plug of the AC cord from the AC receptacle iii Disconnect the AC cord and interface cable from the printer b Reconnect the printer in the following procedure i Connect the AC cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on I the power switch of the printer Disconnect Reconnect 2 Do not disassemble the printer as long as it is operating normally 3 Do not remove parts which do not have to be touched try to keep the disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the laid out sequences Parts may be damaged if these sequences are not followed 6 Since screws collars and other small parts are likely to be lost they should temporarily be attached to the original positions during disassembly 7 When handling IC s such as microprocessors ROMs and RAMs or circuit boards do not wear gloves that are likely to generate static electricity 8 Do not place printed circuit boards directly on the equipment or floor 41356901TH Rev 2 43 Service Tools
92. le Operator panel menu function enable disable ADJUST 2ND feed destination designating command Left alignment based printing shift Cleaning cycle Jam recovery Enable Disable No items subjected to All except counters are subjected to reset As acommon spec 41356901TH Rev 2 757 4 2 Adjustment When Replacing a Part Adjustment is necessary when replacing any of the following parts Part Replaced Adjustment Image Drum Cartridge Reset the image drum counter refer to User s manual Main Control Board EEPROM data Upload Download 4 2 1 Uploading Downloading EEPROM data When the controller printed circuit board is replaced the contents of the old EEPROM shall be copied to the new EEPROM on the new boardto preserve customer settings For the purpose use the EEPROM operation on the Option of the Maintenance Utility To copy follow the steps below 1 Be sure to confirm that the printer and the PC are connected with a centronics cable Then execute the Maintenance Utility Note Printer driver shall be deinstalled 2 Select the Option on the Maintenance Utility 3 Click the UPLOAD EEPROM button on the EEPROM Operations 4 The contents of the EEPROM data is displayed on the DIALOG of the Maintenance Utility The contents of the old EEPROM is now copied into the memory of the PC 5 Replace the controller P C B with a new one while it displays the abo
93. le pressing the MENU key and reset the drum counter see Printer Handbook Y Clean the LED lens array of the LED head Y Has the problem been solved Yes End Y No Replace the LED head Y Has the problem been solved Yes End YNo Replace the main control board or power supply sensor board 41356901TH Rev 2 105 5 Cyclical defect Frequency Remedy Image drum 3 71 94 2mm Replace or clean the image drum cartridge Developing roller 1 86 47 12mm Replace the image drum cartridge Toner supply roller Charging roller 2 96 1 21 75 27 30 63 Replace the image drum cartridge Replace the image drum cartridge Cleaning roller 0 93 23 56mm Replace the image drum cartridge Transfer roller 1 95 49 6mm Replace the transfer roller Heat roller 2 44 62 0mm Replace the fusing unit assy Back up roller 2 73 69 4mm Replace the back up roller Note Afterreplacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook 41356901TH Rev 2 106 Prints voids 15 the contact plate of the transfer roller in proper contact with the power supply sensor board see Figure 6 5 Adjust the contact plate so that it touches the power supply sensor board and
94. lers via two one way clutches according to the direction of rotation 3 Main Drum Motor The main or drum motor is a pulse motor of 48 steps rotation with two phase excitement by the signal from the main control board and is the main motor of this mechanism 4 LED Head Image data for each dot line from the main control board is received by the shift register and latch register The 4992 LED s are driven to radiate the image data on the image drum 5 Fuser The fuser consists of a heater a heat roller a thermistor and a thermostat The AC voltage from the power supply sensor board is applied to the heater controlled by the HEATON signal from the main control board This AC voltage heats the heater The main control board monitors the heat roller temperature via the thermistor and regulates the heater roller to keep it at a designated temperature in the menu depending on the thickness of the paper tray 1 amp 2 light 175 185 C medium light 180 190 C medium 185 195 C medium heavy and heavy 195 205 C manual feeding and power envelope feeder light 165 180 C medium light 170 185 C medium 175 190 C medium heavy 180 195 C heavy 190 205 C trans parency 170 185 C by connecting or disconnecting the AC voltage supply to the heater When an abnormal rise of the heater roller temperature takes place the thermostat of the heater voltage supply circuit becomes active and forcibly cuts the AC voltage supply The temperatu
95. ller a friction charge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller the developing roller surface is charged positive and the toner negative Doctor blade Charge roller Toner supply roller Developing roller Image drum The toner attracted to the developing roller is scraped off by the doctor blade forming a thin coat of toner on the developing roller surface 3 Toner is attracted to the exposed portion low potential part of the image drum at the contact of the image drum and the developing roller making the electrostatic latent image visible Developing roller Toner 750V 100V 750V Image drum Exposed Exposed part part 100V An illustration of activities at the contact point of the image drum surface and the developing roller arrow marks denote the direction of the electrical field 41356901TH Rev 2 32 Note bias voltage required during the developing process is supplied to the toner supply roller and the developing roller as shown below 500 VDC is supplied to the toner supply roller 265 VDC to the developing roller Connected and bias supplied when the cover is closed Developing roller Tone ly roll Bass r supply roller Image drum 41356901TH Rev 2 33 5 Transfer The transfer roller is composed of conducti
96. low 8 Remove cassette lock lever and torsion spring 9 Remove cassette lock lever spring then remove the sheet link L and Pull block 41356901TH Rev 2 70 3 3 23 Cassette Guide R Assy 1 2 3 4 5 6 7 9 Remove the paper cassette Remove the upper cover assy see 3 3 1 Remove the lower base unit see 3 3 4 Remove the M7E PCB see 3 3 20 Remove two screws 1 and remove the guide rails Remove the screw 3 and remove the cassette guide R Assy by shifting it in the direction of arrow Remove the cassette lock lever and torsion spring Remove the cassette lock lever spring then remove the sheet link and link pull block Remove two screws 9 and remove the square shaped connector 7 41356901TH Rev 2 71 3 3 24 Spacer Bearing L R 1 Remove the back up roller see 3 3 15 2 Remove spacer bearing L R with a tip of screw driver S lt N BASS Wf lt SY ESS SK NC lt lt 5525 S SSS ES 41356901TH Rev 2 72 4 1 ADJUSTMENT This chapter provides explanations concerning the adjustment necessary when replacing a part The adjustment is made by changing the parameter value set in EEPROM on the main control board The parameter can be set by the key operation from the operator panel This printer has three kinds of mainten
97. ly when it is touched No Replace the outlet sensor plate or clean the outlet sensor on the power supply sensor board Y Yes Replace the power supply sensor board Exit roller Outlet sensor Heat roller Transfer roller Paper sensor 5 o amp Toner Inlet i EA E sensor sensor 2 Hopping Paper end sensor Registration roller 5 roller Inlet sensor 1 d 41356901TH Rev 2 98 D Fusing unit error ERROR 71 ERROR 72 ERROR 73 Turn the power off then back on again Y Yes Is the thermistor open or shorted Measure the resistance between thermistor contacts heater contacts 120 30 or 240V 10Q and thermistor contacts 220KQ at room temperature see Figure 6 2 or Section 7 3 Yes Replace the fusing unit Y No Do the thermistor contacts touch the contact assembly properly when the fusing unit is mounted in the printer Adjust the contacts of the contact assembly Y Yes Is the heater of the fusing unit turned on when the heater is turned on light is emitted Yes Check the thermistor contacts or replace the main control board or the fusing unit Y No Is the AC voltage being supplied to the connector for the heater of the power supply board see Fi
98. manual feederslot Insert a sheet of paper into the manual feeder slot Toner attached to the image drum is transferred onto the inserted sheet and the sheet is ejected with the toner residues printed While this process is going on the LCD displays PRINT CLEANING message The printer returns to off line mode 41356901TH Rev 2 79 6 TROUBLESHOOTING PROCEDURES 61 Troubleshooting Tips 1 Check the troubleshooting section in the Printer Handbook 2 Gather as much information about the situation as possible 3 Inspect the equipment under the conditions close to those in which the problem had occurred 6 2 to Check before Correcting Image Problems 1 Is the printer being run in proper ambient conditions 2 Are supplies toner and routine replacement part image drum cartridge being replaced properly 3 Is the printing paper normal acceptable quality 4 Is the image drum cartridge being loaded properly 6 3 Tips for Correcting Image Problems 1 Do not touch or bring foreign matter into contact with the surface of the image drum 2 Do not expose the image drum to direct sunlight 3 Keep hands off the fuser unit as it heats up during operation 4 Do not expose the image drum to light for longer than 5 minutes at room temperature 41356901TH Rev 2 80 6 4 Preparation for Troubleshooting 1 Operator panel display The failure status of the printer is displayed by the liquid crystal display LC
99. nnnn Press the Omm Do not change the default setting MENU key Press the 40r key 1 POS 7 0mm 8mm Press the MENU key ET 41356901TH Rev 2 154 Press the T2 POS 0 or gt key Press the MENU key Press the T2 TBL No 3 lt or gt key aii Press the MENU key Press the EF POS 0 mm 407 key Be Press the MENU key Press the EF TBL No 3 lt or gt key 5 TEST Press the MENU key Press the ENTER key gt Press the MENU key Press the MENU key Press the ENGINE RESET ENTER key Press the MENU key INITIAL IZING ON LINE XXX 1 Do not change the default setting 7mm 8mm E mm 1 Do not change the default setting No 2 No 3 0mm 1 Tm Do not change the default setting 8 1 mm No 1 Do not change the default setting No 2 No 3 Press the 0r key EP TEST gt gt OFF OFF PAPER Press the CONNECT MENU key Writing into the EEPROM is performed after pressing the ENTER key Press the 0r key PRT DUTY 11 1 1 1 10 1 20 1 50 Writing into the EEPROM is performed after pressing the ENTER key Upon completion of proc
100. ns Prior to the Troubleshooting 1 Go through the basic checking items provided in the Printer Handbook 2 Obtain detailed information concerning the problem from the user 3 Go through checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD ODA OEL INT OKIPAGE 4ex DIGITAL LED PRINTER 4 Recover Power Save PAPER SIZE TRAY TYPE FORM FEED Print Menu Print Fonts Print Demo T T Press 2 seconds utr 4 A5 LGL ENV Status message display Ready LED display O lt BLINKING UNDEFINED 41356901TH Rev 2 185 When problem occurs go through the troubleshooting according to the following procedure Problem displayed by the LCD message Troubleshooting according to the LCD Status Message List see 4 3 1 4 3 Troubleshooting Method Problem occurs 4 3 1 LCD Status Message List Carry out detailed troubleshooting according to the Troubleshooting Flow see 4 3 1 The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Classification Jam error f
101. ntact assembly properly see Figure 6 4 No Adjust the contact of the cleaning roller to make a proper contact with the contact assembly Y Yes Replace the image drum cartridge Y Has the problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user mainte nance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook YNo Replace the main control board or power supply sensor board 41356901TH Rev 2 103 3 Blank paper is output Is the LED head being connected properly check the HEAD1 and HEAD2 connectors on the main control board and PC connector on the LED head No Connect the LED head properly or replace the head cable s Y Yes Isthe contact ofthe image drum cartrige in proper contact with the ground contact properly see Figure 6 4 No Adjust the ground contact Drum of the contact assembly Y Yes Replace the LED head Y Has the problem been solved Yes End YNo Replace the main control board or power supply sensor board 41356901TH Rev 2 104 D Black vertical belts or stripes Perform the cleaning page function see Section 5 2 2 Y Has the problem been solved Yes End YNo Replace the image drum cartridge Y Has the problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user mainte nance mode by turning the power on whi
102. oard consists of a single chip CPU two program font ROMs four DRAMs an EEPROM a host interface circuit and a mechanism driving circuit 1 Single chip CPU The single chip CPU is a custom CPU 32 bit internal bus 32 bit external bus 49 766 MHz clock which incorporates the RISC CPU and its peripheral devices and has the following functions 2 Program and Font ROMs Built in device Function Chip select controller Control of ROM DRAM and device Bus controller DRAM controller DMA controller Transfer of image data from DRAM to video output port Parallel interface controller Control of Centronics parallel interface Serial interface controller Control of RS 232C serial interface Video output port Control of LED head LED STB output port Timer Generation of various control timing Monitoring of paper running and paper size Serial I O port Control of operator panel EEPROM and options port Input and output of sensor and motor signals The Program and Font ROMs store the equipment program and various types of fonts Mask ROM is used as Program and Font ROMs The mounting locations of these Program and Font ROMs vary depending on the type of the ROMs 3 DRAM The DRAM is a AMB resident memory on the main control board that stores edited data image data DLL data and macro data 4 EEPROM 4 096 bit Electrically Erasable PROM EEPROM is loaded with the following kinds of data Menu dat
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104. orrection drivers together as a pair The printing and correction data obtained from the CPU through four signal lines are sent to the LED array The printing operation timing chart is shown below Normal Mode Printing Timing Chart cock JUU UU UU UU UU EU UL JU UU UU UU EU LOADI pataiso LOQUO STRBII N STRB2I N STRB3I N STRB4I N First line printing data sent Second line printing data sent First line printing The printing operation is carried out in normal mode Under ordinary circumstances such as when the power is turned on or when LOADI signal level is low the normal mode is enabled The printing operation is carried out in the following sequence First the printing data DATAI3 through DATAIO are stored sequentially shifted in the shift registers of the LED drivers by the printing data synchronous clock CLOCKI Then the printing data stored in shift registers are latched by the high level pulse of LOADI The latched printing data turns the LEDs on by STRB1I N through STRB4I N and actuates printing 41356901TH Rev 2 37 2 4 Jam Detection The paper jam detection function monitors the paper condition when the power is turned on and during printing When any of the following conditions arises this function interrupts the printing process If any of the following errors is encountered printing can
105. out by the cleaning roller and is temporarily attracted to the cleaning roller by static electricity Fusing The toner image transferred onto the paper is fused to the paper by heat and pressure An electrophotographic process timing chart is shown in Figure 2 5 41356901TH Rev 2 24 eBeui ay jo uonejoJ aded jo Y gt Buiddoy sede 1edeg 18 01 Buiddoy jddns Y 5 Jedeg jaded Josuas 1 Jejo1 j ddns jeuo E 1euo oBeyon 10000 jddns uononpoud Buiuea BuisnJ Ka ensodx3 q31 A ddns 49104 19JSUE J9joJ dn yoeg 19 01 Buiueo Ajddns 4910 1961249 49101 10109195 uyed sade A Aiddns samod umop 2224 yale Jaded Jojo 10918 sade Josues yale sade dn 2024 yola Jaded J9j0J pala sadeg 4 Figure 2 25 41356901TH Rev 2 PRINT N PRDY N DM ON N RM ON Figure 2 5
106. p roller normal No Replace the back up roller or bias spring Y Yes Is the connector of the fusing unit assy on the power supply board being connected properly No Connect the fusing unit connector properly Y Yes Replace the fusing unit assy Y Has the problem been solved Yes End YNo Replace the main control board or power supply sensor board 41356901TH Rev 2 108 White vertical belts or streaks Are the LED lens dirty Yes Clean the LED lens Y No Is the contact plate of the transfer roller in proper contact with the power supply sensor board see Figure 6 5 No Adjust the contact plate to make a proper contact with the power supply sensor board Y Yes Replace the transfer roller Y Has the problem been solved Yes End YNo Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Y Yes Is the LED head being installed properly check HEAD1 and HEAD connectors on the main control board and PC connector on the LED head No Install the LED head properly Yves Replace the LED head Y Has the problem been solved Yes End Y Yes Replace the image drum cartridge Y Has the problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user mainte nance mode by turning the power on while pressing the MENU key Resetthe drum counter see Printer Handobook YNo Replace
107. per cover Note 1 When removing or reinstalling the upper cover be careful not to get the motor cables tangled or caught 2 When reinstalling the screws 5 be sure to direct the screws into preexisting threads 41356901TH Rev 2 49 3 3 2 LED Head 1 Press the knobs on left and right sides and open the stacker cover assy 2 Open the hook section on the left side of the stacker cover and remove the LED head Note Be sure not to touch directly or push on the SLA part of the LED head Do not remove the LED cable 3 from the connector Remove connector 4 and cable 3 together as an assembly from the LED head SLA Seltoc Lens Array 41356901 2 50 3 3 3 Operator Panel Assy 1 Unlock two latches on the upper cover from the rear side lift the operator panel assy from the back and remove it 2 Remove the Sumi card operator panel from the connector CN1 3 Note You can remove the operator panel assy while the upper cover installed on the unit However it is much easier to remove the panel assy after removal of upper cover Rear view Unlock two latches with a tip of screw driver For the purpose insert a driver through faceup paper outlet as shown 41356901TH Rev 2 51 3 8 4 Lower Base Unit 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7
108. plied to transfer roller Variable 400 V 1350 V 3 Photosensor Voltage applied to cleaning roller The photosensor mounted on this power supply sensor board monitors the status of paper being fed through the printer during printing 41356901TH Rev 2 19 Paper feeding direction gt The sensor layout diagram is shown in Figure 2 2 Exit roller Outlet sensor Heat roller Transfer roller Paper sensor Inlet sensor 2 Toner sensor Hopping Paper end sensor roller nlet sensor 1 Registration roller Inlet sensor 1 Figure 2 2 Function Detects the leading part of the paper and gives the monitor timing for switching from hopping operation to feeding operation Monitors paper feeding situation and paper size based on the paper arrival time and running time Sensing state ON Paper exists OFF No paper exists Intel sensor 2 Detects the paper width 4 or larger Smaller than A4 Paper sensor Detects the leading portion of the paper Monitors the paper feeding situation Paper exists No paper exists Outlet sensor Monitors the paper feeding and size according to the time of arrival to and le
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110. rder diagram below High Capacity Paper Feeder Stepping motor hopping 3 3 1 TQSB 2 3 3 2 Hopping roller shaft assy and One way clutch gear 3 3 3 181 41356901TH Rev 2 3 3 1 Stepping Motor Hopping 1 Turn the printer power switch off pull out the AC cord from the outlet Remove the printer off High Capacity Second Paper Feeder 2 Take the paper cassette assy out of High Capacity Second Paper Feeder 3 Remove six screws 2 and remove the upper plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Removethefront cover assy 4 offthe guide boss on the guide L 2nd assy by bending the guide L 2nd assy 7 in the direction of arrow shown in the magnified view below b Pullthe sheet guide assy 8 in the direction of arrow and also push in the direction of arrow 6 to unlock the notch and bring the sheet guide assy 8 in the direction of arrow to remove the sheet guide assy 8 Guide Boss 41356901TH Rev 2 182 6 Remove three screws 9 which are holding the guide R 2nd assy 40 to the bottom plate 4 Remove the screw 42 which is keeping the rear cover 43 and guide R 2nd assy 40 Remove the guide R 2nd assy 9 7 Remove the protect M 42 guide bracket 45 planet gears 6 and planet gear bracket 7 8 Remove the E ring 48 which is keeping the sheet link 19 on the guide 2nd assy 40 and pull out the hing
111. re setting of the fuser can be changed through operator panel setting 41356901TH Rev 2 23 2 3 2 Electrophotographic Process The electrophotographic processing is outlined below The electrophotographic printing process is shown in Figure 2 4 D Charging The surface of the image drum is charged uniformly with a negative charge by applying the negative voltage to the charge roller Exposure Light emitted from the LED head irradiates the negatively charged surface of the image drum The surface potential of the irradiated portion of the image drum surface becomes lower forming the electrostatic latent image associated with the print image Developing and toner recovery When the negatively charged toner is brought into contact with the image drum it is attracted to the electrostatic latent image by static electricity making the image visible Atthe same time the residual toner on the image drum is attracted to the developing roller by static electricity Transfer When paper is placed over the image drum surface the positive charge which is opposite in polarity to that of the toner is applied to the reverse side of the paper by the transfer roller The toner is attracted by the positive charge and is transferred onto the paper This results in the transfer of the toner image formed on the image drum onto the paper Temporary cleaning Residual toner which remains on the image drum without being transferred is evened
112. s Layout This section describes the layout of the main components Link pow n 1 wes UP a s x Le eese s Figure 3 1 Separator OLEV 11 PCB 41356901TH Rev 2 161 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Multi Purpose Feeder Link 3 3 1 Separator 3 3 2 OLEV 11 PCB 3 3 3 Pulse motor 3 3 4 m Planet gear 3 3 5 Roller A 3 3 6 41356901TH Rev 2 162 3 3 4 Link 1 Open paper feed cover 1 and disengage the paper feed cover 1 and link 3 while lifting the paper hold 2 2 Remove the paper hold 2 off the arm 2 3 Disengage the link 3 from the arm 4 and remove it Be careful not to deform the link and arm 41356901TH Rev 2 163 3 32 Separator 1 Turn the power switch off and remove the connector cable 2 Disengage the link and paper feeder cover see 3 3 1 3 Remove 2 screws 1 disengage the locks at 2 locations on the upper frame 2 with a screwdriver and remove the upper frame 2 4 Remove 2 screws 3 and take out the separator assembly 2 5 Disengage the separator 7 from the separator bracket 6 while lifting the paper hold 5 and take out the separator be careful not to lose the spring 8 when you are doing this
113. s to normal operating mode Printing start position setting is for shipping Do not change its default value Detailed descriptions of these functions are porvided in Appendix E DIAGNOSTICS TEST 41356901TH Rev 2 74 4 1 4 EEPROM initialization The corresponding are of the EEPROM is initialized for each event as shown Table 4 1 reset EEPROM area User maintenance menu Talbe 4 1 EEPROM Initial Setting Range Menu level 2 F W revision area Customer information User maintenance area System maintenance area Engine maintenance area Drum counter Fuser counter Page counter PROM reset System maintenance EE Menu level 1 engine reset Engine maintenance Note2 Firm revision check at power on error Customer setting User information error Represents initialization Note1 Items of each maintenance menu which are subjects here are listed in the following table Engine ID check error at power on is set at default for all menu items thus it will not be mentioned here Note2 Only when the page counter is 500 sheets or less it is reset to 0 Talbe 4 1 Items of Each Maintenance Menu Targeted for EEPROM Reset User maintenance menu area System maintenance menu area Engine maintenance menu area Resource save Whether a page counter printing is added or not to a menu printing Receiving buffer SIDM emulation switch enable disab
114. sage problem list follow the troubleshooting flowcharts given here to deal with them Trouble Flowchart number The printer does not work normally after the power is turned on Jam alarm Paper input jam Paper feed Paper exit jam Paper size error Fusing unit error SSIO Synchronous Serial Input Output error timeout no response between the printer and an optional tray High Capacity Second Paper Feeder Power Envelope Feeder Fan error 41356901TH Rev 2 92 D The printer does not work normally after the power is turned on Turn the power off then back on v Is all black message being displayed by the LCD display Yes Is Is the cord being connected properly Connect the cord properly Y Yes 1 5V being applied between Pins 11 and 21 of POWER connector on the main control board Pin21 Pin 11 45V No Is the connection between POWER connector on the main control board and connector on the power supply sensor board being made properly No Correct the connection Yes 1 1 Y Yes Is 12V being applied between Pins 23 and 24 GND of POWER connector 23 OV Pin 24 12V Goto Y Yes Isthe flexible cable forthe operator panel assy being connected to the PANEL connector on the control board and the connector CN1 on the OLCC board properly Connect the flex
115. see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit see 3 3 4 5 Disengage the eject roller assy from the lower base by pressing the latch section of the eject roller assy in the direction of the arrow shown below and remove the eject roller assy 41356901TH Rev 2 56 Motor Assy 3 3 9 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit see 3 3 4 5 Remove the heat sink from the pulse motor main drum see 3 3 5 6 Stand the lower base unit on its side as shown and unlock two latches then remove the motor assy LOC UL 57 41356901 Rev 2 3 3 10 Hopping Roller Shaft Assy 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 3 3 Remove the face up stacker assy see 3 3 7 4 Remove the lower base unit See 3 3 4 5 Remove the motor assy see 3 3 9 6 With the lower base unit standing on its side remove the one way clutch gear and the bearing A 7 Remove the hopping roller shaft assy the bearing B comes off so be careful not to lose it 41356901TH Rev 2 58 3 3 11 Stacker Cover Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the
116. sembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used b Disassembly must be carried out according to the prescribed procedures Parts be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed circuit boards directly on the equipment or floor 41356901TH Rev 2 178 Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards assemblies and units in the field Table 3 1 Service Tools Service Tools Application Remarks No 1 100 Philips 2 2 5 mm screws screwdriver No 2 100 Philips 3 5 mm screws screwdriver No 3 100 screwdriver Digital multimeter Pliers 41356901TH Rev 2 179 Parts Layout 3 2 This section describes the layout of the main components Cassette Assy Stepping Motor Guide R 2nd Assy includes stepping motor and TQSB 2 PCB Guide L 2nd Assy Figure 3 1 180 41356901TH Rev 2 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly o
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118. ter power is turned off By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state 2 OFF LINE oix Keep the MENU key down for more than 2 seconds and bring the printer into menu setting gt lt PCL AUTO HEX DUMP PRR or FX mode level 2 Next press the MENU key 10 times V may RS232C co i SERIAL RS232C SERIAL is displayed on the LCD Press the ENTER key Item Flow CTL Contents of Display Function DTR HI SPACE READY DTRLO MARK READY XONXOFF RBSTXON Sending at intervals of 1 sec Factory Setting DTR HI way FLOWCTL Contents 41356901TH Rev 2 134 V Press the MENU key BAUDRATE Contens V Press the MENU key DATABITS Contens V Press the MENU key a PARITY Contens Item Baud Rate Contents of Display Function 300 baud 600 baud 1200 baud 2400 baud 4800 baud 9600 baud Factory Setting 9600 baud 300 600 Item Bit Length Contents of Display Function 8 BITS 8 bits 7 BITS 7 bits Factory Setting 8 bit Parity Contents of Display Function NONE No parity EVEN Even parity ODD Odd parit Factory Setting NONE 41356901TH Rev 2 135 V Press the MENU key Minimum BUSY Time BUSY Contents of Display Function i
119. the inter locking with the stirring gear Even when the magnet on the stirring bar reaches the maximum height the stirring bar is pushed by the stirring gear since the other side is being dipped in the toner Operation during Toner Low state When the stirring bar reaches the maximum height it falls to the minimum height due to its own weight since there is no resistance provided by the toner onthe otherside Because of this the time interval during which it is in encounter with the magnet of the sensor plate becomes longer By monitoring this time interval Toner Low state can be de tected Stirring Gear Section Stirring Bar Toner Sensor Stirring Bar 41356901TH Rev 2 41 TONER FULL state 160 ms t1 0 5 sec TNRSNS N 1 7564 TONER LOW state gt 0 5 sec TNRSNS N 1 7564 sec 4 When the Toner Low state is detected 2 times consecutively Toner Low is established When the Toner Full state is detected 2 times consecutively Toner Low is cancelled When there is no change with the toner sensor for 2 cycles 1 7564 sec x 2 or more then the Toner Sensor Alarm is activated toner sensor is not monitored while the main drum motor is in a halt 41356901TH Rev 2 42 3 5 The section explains the procedures for replacement of parts assemblies and units in the fie
120. ve 8 000 1 page job with Power Save Minimum 41356901TH Rev 2 13 1 5 Safety Standards 1 5 1 Certification Label The safety certification label is affixed to the printer in the position described below INT 230V model OKIPAGE 14ex Model No EN2909B 230V 50 60 1 2 5A 001273 00 Oki Deta Corporation 4 Made in Thailand L ODA 120V model AC 230V model 59 60 2 120 Oki Data Corporation Tested To Comply With 516 FOR MBE USE Tes CLam 8 oprea 41 of the Cauta iot Cor 14 dam 0 respecte luus lox wmm 6 extra Coat Suge OKI Modei EN29098 2304 50 50 25A Oata Corporation wth Part 15 ef the FOC thes device ouy ne came heruu mafya 2 ma merfarema recone interference thet come wieni 1 5 2 Warning Label The warning labels are affixed to the sections which may cause bodily injury Follow the instructions on warning labels during maintenance CAUTION HOT ATTENTION CHAUDE VORSICHT HEIn ATENCION ALTA TEMPERATURA ATENCAO ALTA TEMPERATURA 41356901TH Rev 2 14 1 5 8 Warning Caution Marking The following warning and caution markings are made on the power supply sensor board
121. ve DIALOG 6 Afterthe replacement click Download EEPROM on the EEPROM Operations EEPROM upload has been completed In case of troubles such as centronics I F failure etc EEPROM data may not be uploaded properly In such case it is necessary to adjust the following settings manually after the replacement using the Maintenance Utility Factory setting ODA OEL INT A INT L The maintenance utility is designed to be used only by field engineer and it should not be released to the end users 41356901TH Rev 2 76 5 PERIODICAL MAINTENANCE 5 1 Periodical Replacement Parts The parts are to be replaced periodically as specified below Part name Toner cartridge Type 5 Condition for replacement About 2000 ODA or 2500 OEL INT sheets of paper have been printed Cleaning LED head Remarks Consumables Toner cartridge Type 8 About 4 000 sheets of paper have been printed LED head Consumables Image drum cartridge Type 8 5 2 Cleaning About 20 000 sheets of paper have been printed See 14 14 Consumables Remove any toner or dust accumulated inside the printer Clean in and around the printer with a piece of cloth when necessary Use the handy cleaner service tool to clean inside the printer Note Do not touch the image drum LED lens array or LED head connector block 5 21 Cleaning of LED Lens Array Clean the LED lens array or replace the toner cartr
122. ve sensor plate inlet YES 15 the sensor plate inlet operating normally Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor Y NO Replace the roller A or roller B YNO Are the roller A and roller B rotating YES Setthe paper properly YNO Is pulse motor turning YES Replace the planet gear Isthe connector cable being connected properly eNO Connect the connector cable properly YYES Checkthe coil resistance approx 320 of the pulse motor Is it normal NO Replace the pulse motor YYES Replace the OLEV 11 PCB 41356901TH Rev 2 171 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Pulse motor 2 M T3 1 4 OLEV 11 PCB SF LO CO N 00 CO zz x z XP LINN gt 0 gt OL S 9 a To the Printer or High Capacity Second Paper Feeder 41356901TH Rev 2 172 5 2 Layout OLEV 11 PCB 41356901TH Rev 2 173 6 PARTS LIST Figure 6 1 Multi Purpose Feeder 41356901TH Rev 2 174 Roller A Table 6 1 Multi Purpose Feeder OKI J Part No 3PB4083 5514P001 ODA Part No Remark Roller B 4083 5524 001 Planet gear 4PP4083 5520P001 Link 4083
123. ve sponge material and is designed to get the image drum surface and the paper in a close contact Paper is placed over the image drum surface and the positive charge opposite in polarity to that of the toner is applied to the paper from the reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge inducement on the transfer roller surface transferring the charge to the paper as it contacts the transfer roller The toner with negative charge is attracted to the image drum surface and it is transferred to the upper side of the paper due to the positive charge on the reverse side of the paper Image drum Transfer roller 41356901TH Rev 2 34 6 Fusing When the transfer is completed the toner image is fused to the paper by heat and pressure as the paper with unfused toner image passes between the heater roller and the back up roller The heater roller with Teflon coating incorporates a 550W heater Halogen lamp which generates heat A thermistor which is in contact with the heater roller regulates the temperature of the heater roller to a designated temperature in the menu depending on the thickness of the paper tray 1 amp 2 light 175 185 C medium light 180 190 C medium 185 195 C medium heavy and heavy 195 205 C manual feeding and power envelope feeder light 165 180 C medium light 170 185 C medium 1 75 190 C midium heavy 180 195 C heavy

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