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Output Technology LaserMatrix LM2406 Operator's Manual

Continuous form laser printer
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LaserMatrix
The Continuous Form Laser Printer
Models LM2405 & LM2406
Operator Guide

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  • Page 1 ® LaserMatrix The Continuous Form Laser Printer Models LM2405 & LM2406 Operator Guide...

  • Page 3: Operator Guide

    ® LaserMatrix The Continuous Form Laser Printer Models LM2405 & LM2406 Operator Guide Part No: 066-00493-01 January 29, 1998 — Rev. F...
  • Page 4 Typefaces mentioned in this publication are products, tradenames, and trademarks (registered or otherwise) of third parties and do not belong to Output Technology. PROPRIETY This product contains proprietary information and trade secrets designed and developed by Output Technology Corporation, The Peerless Group, and Agfa Corporation. Output Technology Corporation — 2310 North Fancher Road Spokane, WA 99212-1381 —...

  • Page 5: Important Safety Precautions

    Operator's Guide IMPORTANT SAFETY PRECAUTIONS DANGER: LASER LIGHT CAN DAMAGE EYES. DO NOT look directly at a laser lamp. DO NOT open the top cover while the printer is operating. DANGER: LES RAYONS LASER SONT DANGEREUX POUR LES YEUX. NE PAS regarder directement une lampe laser.
  • Page 6 IMPORTANT SAFETY INSTRUCTIONS, CONTINUED Do not open, disassemble, or attempt to repair the Laser Scan Unit in top cover. Opening LSU will void U.S. Food and Drug Administration (FDA) certification and may void other certifications. Ne pas ouvrir, démonter ou essayer de réparer l'unité de numérisation laser du couvercle.
  • Page 7 Operator's Guide Follow all warnings and instructions marked on the product. Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning. Place this product on a stable surface such as the LaserMatrix Refolding Stacker.
  • Page 8 Important ! For highest quality results, insist on genuine, factory-approved toner and other consumer replaceable cartridges and consumables. Output Technology toner contains a specially formulated toner that lasts longer, provides sharper images, and prevents damage of vital components. Obtain factory-approved toner,...

  • Page 9: Fcc Compliance Statement

    Operator's Guide FCC COMPLIANCE STATEMENT This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 10 viii EPA ENERGY STAR PRINTERS PARTNER This 2400 Series Printer complies with voluntary standards for low-power consumption as set forth by the U. S. Environmental Protection Agency.

  • Page 11: Table Of Contents

    Contents Installation See the Installation Guide Basics Physical Features ..................1-1 Startup and Printing.................1-4 Controls and Indicators ................1-6 Power On/Off Switch ..............1-6 Control Panel ..................1-7 Connections...................1-14 Power Receptacle .................1-14 Connector Panel................1-15 Operations Routine Operations..................2-1 Loading Paper (or Other Media).............2-1 Unloading Paper (or Other Media) ..........2-6 Setting Top of Form ...............2-7 Shifting Print Image Vertically............2-8 Shifting Print Image Horizontally..........2-10...
  • Page 12 Contents Print Menu General ....................3-1 Accessing..................3-1 Navigating ..................3-1 Changing..................3-2 Exiting ....................3-2 Options ....................3-2 Print= ....................3-3 Copies= (PCL Print Menu Only)..........3-11 Font Src= (PCL Print Menu Only) ..........3-13 Font #= (PCL Print Menu Only)...........3-13 Pnt Size= (PCL Print Menu Only)..........3-14 Pitch= (PCL Print Menu Only).............3-14 Orient= (PCL Print Menu Only)...........3-15 Sym= (PCL Print Menu Only)............3-17 Lines/Form= (PCL Print Menu Only) ..........3-18...
  • Page 13 Operator's Guide Page Units=..................4-9 PSize=...................4-10 Pg Prot.= ..................4-12 Landscape= ...................4-12 Jam Recover= ................4-14 Extended Configuration Menu General ....................5-1 Accessing..................5-1 Navigating ..................5-1 Changing..................5-1 Exiting ....................5-2 Options ....................5-2 Reset Cnt= ..................5-2 VCor.= ....................5-2 Print Speed= ...................5-3 Special Function= ................5-4 Fuser Temp=...................5-4 Sleep Delay=...................5-6 APSense= ..................5-6 Hex Dump= ..................5-7 Frm Width= ..................5-8...
  • Page 14 Contents Maintenance Moving or Reshipping the Printer............6-3 Static Electricity ..................6-5 Periodic Maintenance................6-7 Cleaning Procedures................6-9 Cleaning Exterior Surfaces .............6-9 Cleaning Toner Spills ..............6-10 Cleaning Paper Path..............6-11 Cleaning Drum ................6-13 Cleaning Corona Wires ..............6-16 Cleaning LSU Cover Glass............6-20 Cleaning Fuser Heat Roller ............6-21 Cleaning Electrical Contacts ............6-23 Lubrication ....................6-24 Toner Refill ...................6-24...
  • Page 15 Operator's Guide xiii Configuration Settings..............7-26 Print Missing/Repeated/Strange/Unexpected .......7-27 Graphics..................7-29 Typeface ..................7-30 Paper Problems ................7-31 Control Panel ................7-34 Communications................7-35 Noise.....................7-37 Troubleshooting Procedures..............7-38 Power On Sequence Check............7-38 Transfer Sequence Fault Isolation Test ........7-39 Fuser Failure and Form Speed Error Messages ......7-41 Paper Jam and Wrinkling .............7-44 Developer Jam ................7-51 Troubleshooting Aids................7-53 Diagnostic Patterns ...............7-53...
  • Page 16 Contents Appendix A - Memory Enhancement RIP Controller PCB Replacement............A-3 SIMM PCB Replacement............... A-5 Appendix B - Firmware Upgrades Upgrading RIP Firmware ............... B-3 Upgrading EC Firmware ................ B-5 Index...

  • Page 17: Physical Features

    1—Basics The printer is a high-speed desktop laser page printer using continuous- form media. The printer combines fast, 12- and 24-page-per-minute printing speeds with 300 dpi (dots per inch) print quality. PHYSICAL FEATURES 1. See Operator Access, Page 1-3. 2. See Control Panel, Page 1-7. 3.
  • Page 18 Basics 1. See Power Receptacle, Page 1-14. 2. See Connector Panel, Page 1-15. The Printer (Rear View) PB0-K...
  • Page 19 Operator's Guide 1. See Felt Cleaning Pad Replacement, in Section 6, Maintenance. 2. See Print Density Adjustment, in Section 6, Maintenance. 3. See Waste Toner Bottle Replacement, in Section 6, Maintenance. 4. See Drum Cartridge Replacement, in Section 6, Maintenance. 5.

  • Page 20: Startup And Printing

    Basics STARTUP AND PRINTING Check Paper Supply. If necessary, load paper. See Loading Paper in Section 2, Operations. Close Top Cover. Make sure the top cover is closed. If not, hold both sides of the top cover and then gently press the cover down until it snaps into place. Make sure both sides are latched.
  • Page 21 Operator's Guide The next TOF should be four in. (8 sprocket holes) past the printer’s paper exit, as shown in the following illustration. (When the printer begins to print, it backs the paper up to print on this TOF.) If the top of form must be reset, you can reload paper, as described in Loading Paper, in Section 2.

  • Page 22: Controls And Indicators

    Basics If the print is too light or dark, smudged, streaked, or dirty, see Print Quality in the troubleshooting chart. If Desired, Remove Printout: If the DATA light is lit at the end of the print job , press FORM FEED to print and eject that last page of print data before removing the print job.

  • Page 23: Control Panel

    Operator's Guide Cover open Missing drum, developer, or waste toner bottle The printer reports conditions that warrant attention on the control panel display (Page 1-13). Control Panel The control panel is located at the right-front corner of the printer. The control panel contains three indicator lights, seven keypad switches, and a two-line liquid crystal display (LCD).
  • Page 24 Basics blinks (with DATA off) if the printer is printing a test page, downloading fonts, or if it encounters an error. In the case of an error, a message is displayed on the LCD. READY and DATA work together to indicate printer status, as shown in the table on Page 1-9.
  • Page 25 Operator's Guide Note: During diagnostic modes, such as printing diagnostic patterns from the Extended Configuration Menu, DATA will not light as it normally would when a page is ready to be printed. STATUS INDICATORS READY DATA Status Data bytes are being transferred from a host computer to Flashing printer memory;...
  • Page 26 1-10 Basics ON LINE toggles the printer between the online mode and offline mode. When the printer is taken off line, the ON LINE light is unlit, and the message Offline is displayed. When the printer is online, the ON LINE light is on and the message Ready displayed.
  • Page 27 Operator's Guide 1-11 Use the MENU key to enter the printer menu structure. From the menus, you can select printing options and configuration settings. There are three menus; the Print Menu, the Configuration Menu, and the Extended Configuration Menu. To enter the Print Menu, make sure the printer is offline and then press MENU for less than 3 seconds while either PCL Print Menu PS Print...
  • Page 28 1-12 Basics When RESET is pressed for either of the following two types of resets, printer command settings, downloaded fonts defined as temporary, and stored print data are cleared. To reset to the last set of active Print Menu settings, momentarily press RESET with printer offline.
  • Page 29 Operator's Guide 1-13 When a menu is displayed, use ! ! ! ! (the UP key) and " " " " (the DOWN key) to scroll through the choices for a selected menu item. Each time the key is ! ! ! ! "...

  • Page 30: Connections

    1-14 Basics CONNECTIONS Power Receptacle The power receptacle is located at the right-rear corner of the printer, near the bottom. Power Receptacle PB0-M One end of the power cord plugs into the printer receptacle. The other end of the power cord plugs into a standard three-prong, grounded electrical outlet.

  • Page 31: Connector Panel

    Operator's Guide 1-15 Connector Panel Interface and stacker control connectors are located at the rear near the bottom of the printer. Use one of the interface connectors to interconnect the printer and host computer. See the Note that follows. Use the stacker control connector to interconnect the printer and a compatible paper stacker.

  • Page 32: Parallel Interface

    1-16 Basics Parallel Interface The parallel interface connector is a standard Centronics-type connector with 36 pins. The wire clips on the sides of the connector are used to lock in the cable connector. Serial Interface The serial interface connector is a standard RS-232, 25-pin, D-type connector.

  • Page 33: Operations

    2 —Operations ROUTINE OPERATIONS Loading Paper (or Other Media) Note: The printer automatically senses the leading edge of the first form loaded into the printer. When loading forms of a different form length, specify the length of the new form under (Configuration Menu, PSize=...
  • Page 34 Operations If changing to a different form width, reposition tractors to accommodate a change in paper width. To do so, push back on the green locking levers on both tractors and then reposition the tractors to CB0-AN1 approximately match the new paper. Do not lock the levers as yet.
  • Page 35 Operator’s Guide Paper and Label Recommendations Type: single-part paper. Paper without laser (clear perf) perforations stacks better. Sheet Width: 4 to 9.5 in. (approx. 101.6 to 241 mm) which includes tractor strips. Prefer wide sheets. Sheet Length: Continuous. Tractor Strips: Standard 4.00 0.25 mm dia.
  • Page 36 Operations When Loading Form, Select the First (Leading) Paper Edge Where the Horizontal Perf is Midway Between the Leading and Trailing Sprocket Holes CA0-Q Only necessary for media lengths which are not divisible by in., such as A4, A5, and A6.
  • Page 37 Operator’s Guide Close the printer’s front door (it should snap shut). PB0-P Press and hold the button on the center front of the printer (to open the tension rollers) while inserting paper through entrance. Feed paper until it emerges near tractors. Center paper in the printer and then place sprocket holes (on one edge of paper) onto the corresponding...

  • Page 38: Unloading Paper (Or Other Media)

    Operations 12. Either turn on the printer or press ON LINE . Note: When you print, Check that your printout is formatted to be at least in. from both right and left edges of the sheet. This prevents the tractor’s paper retainers from smearing the edges of the printout.

  • Page 39: Setting Top Of Form

    Operator’s Guide If the printer is off: 1. Separate the media at the next horizontal perf before the paper entrance at the front of the printer. 2. Open top cover of the printer by pressing in the compound button on the top left corner at the front of the printer and then lifting the cover.

  • Page 40: Shifting Print Image Vertically

    Operations If the TOF is not set correctly , either reload forms (Page 2-1) or offset the page image in relationship to the TOF using the ! and " keys, as described in the following paragraphs. Shifting Print Image Vertically The printout can be shifted up or down using the ! and "...
  • Page 41 Operator’s Guide Shift Print Image Using the Configuration Menu 1. With printer offline, press the MENU key for about 3 seconds until Config. Menu is displayed. After the key is released, the printer displays the default. I/O=... 2. Press MENU until is displayed.

  • Page 42: Shifting Print Image Horizontally

    2-10 Operations Shifting Print Image Horizontally The printout can be shifted right or left using the ! and " keys in either the Configuration Menu or during printing, as explained in the following subsections. ! is used to move the print image to the left by as much as 199 dot positions "...
  • Page 43 Operator’s Guide 2-11 5. Press ON LINE to return online. Shift Print Image While Printing 1. Press and hold ! and ", simultaneously, for one or two seconds. The display shows the present TOF offset. 2. Press MENU . The display shows the present horizontal offset, Image Horiz=...
  • Page 44 2-12 Operations For Microsoft Windows, use the LaserMatrix printer driver; to obtain a free copy, contact the printer manufacturer. To embed printer commands, see Section 8, Programmer’s Reference Guide. 1. With printer offline, press and hold MENU for 3 seconds until Config is displayed.
  • Page 45 Operator’s Guide 2-13 Note: Standard page sizes impose top and bottom no-print zones. In PCL emulation, this printer, like other PCL printers, enforces a no-print zone of approximately in. at the top and bottom of standard page sizes. In addition, the printer imposes built-in (default) top and bottom margins of In the optional PostScript emulation, this printer, like a sheet-fed PostScript printer, enforces a no-print zone of...
  • Page 46 2-14 Operations Note: If a custom form width is not selected, the printer uses the width of the prior form. 1) Press ON LINE to place printer offline. 2) Press and hold MENU until is displayed, Extended Config followed automatically by Reset Cnt.= FusPd 3) Press MENU until is displayed.

  • Page 47: Inserting Optional Font Cartridges

    Operator’s Guide 2-15 f. When changing from a standard page size to a custom form (or change from one custom size to another) include a form feed before the start of the next print job. OPTIMUM FUSER TEMPERATURE Optimum Fuser Temperature Form Width for 24 lb Bond Weight Paper Letter...
  • Page 48 2-16 Operations Do not use font cartridges that contain PCL macro commands. Do not use font cartridges that contain both bit-mapped and outline fonts. Insert the cartridge into either the right or left font cartridge slot in the front of the printer. (See the following illustration.) Slide it all the way into the slot and press firmly until it snaps into place.

  • Page 49: Menus

    Operator’s Guide 2-17 MENUS The following three sections (Sections 3 through 5) provide details on using the printer’s print and configuration menus. Among other things, the menus contain the printer's changeable default settings. The printer uses three menus containing different levels of changeable options: The PCL Print Menu and PS Print Menu are specific to the PCL and PostScript emulations.
  • Page 50 2-18 Operations The PCL Print, PS Print, Configuration, and Extended Configuration Menus maps are shown on the following pages. The underlined settings are the factory defaults. PCL PRINT MENU * Print= Summary, Symbols, Fonts Copies= to 5000 Font Src= 11 Left, Right, Soft, ROM Font #= 12 (for ROM Font Source)
  • Page 51 Operator’s Guide 2-19 CONFIGURATION MENU * I/O= 16 Serial, Optional 17 , Parallel Baud Rt= 19.2K, 38.4K 57.6K, 64.0K, 72.0K, 96.0K. 115K, 144K, 192K, 288K, 1200, 2400, 9600 DTR Polarity= Lo, Hi XON= Enabled, Robust, Disabled Data Bits= 7, 8 Parity= Mark, Space, Even, Odd, None RS-=...
  • Page 52 2-20 Operations EXTENDED CONFIGURATION MENU * Reset Cnt= FusPd, Devlp. See Fuser Pad=... and Devlp. Ft=..., below VCor.= 0.050 in, Page Print Speed= 12ppm, 24ppm Special Function= 20 4, 0 Fuser Temp= 130C, 138C, 146C, 153C, 161C, 169C, 177C, 184C Sleep Delay= 0 to 60 minutes in 1-minute increments with 6m as default...

  • Page 53: Print Menu

    3—Print Menu GENERAL Maps of the PCL and PostScript Print Menus are shown at the end of Section 2, Operations. Accessing With the printer offline, press MENU momentarily to enter the Print Menu of the active emulation. Note: If the printer contains both PCL and PostScript emulations, enter the other emulation by changing the emulation displayed Emu= ...

  • Page 54: Changing

    Print Menus Changing Use the ! and " keys to view other possible settings. Press STORE to save the new default setting. Press MENU to view more Print Menu options and settings. Exiting Press ON LINE to return online. OPTIONS All of the Print Menu options, except for the summary, font, and symbol printouts in the Print Menu option, deal with defaults.

  • Page 55: Print

    Operator's Guide Print= Choose among the following printouts: Summary Symbols (PCL Print Menu only) Fonts Note: Use a Letter-size page for printouts. If the form width is too small, the printout may be truncated on the right side. Check that the print buffer is empty before starting the printout;...
  • Page 56 Print Menus PB0-O1...
  • Page 57 Operator's Guide Symbols (PCL Print Menu Only) The symbols printout shows all printable characters in the internal symbol set currently selected under Sym= ... (Page 3-17) in the Print Menu. (Symbol sets are not used in the same way in the PostScript language. Consequently, this option does not appear in the PostScript Print Menu.) The symbol set chart is printed in either a scalable or non-scalable typeface, depending on the selected symbol set, as follows:...
  • Page 58 Print Menus Symbol Set (Example: Factory Default Roman-8) CA0-Z...
  • Page 59 Operator's Guide The LaserJet emulation font list can be a useful tool, not only in helping choose a default font (Page 3-13) and symbol set (Page 3-17), but also as a convenient and informative guide for manually embedding typestyles using printer commands. Embedding printer commands for selecting cartridge and downloaded (non-internal) fonts are allowed in many applications.
  • Page 60 Print Menus Symbol Set. Internal non-scalable fonts are shown in Roman-8, ECMA- 94, PC-8, PC-8 D/N, PC-850, and Legal. Internal scalable fonts are listed only in the default symbol set. Change the symbol set default [ (Page 3-17)] to view internal Sym= ...
  • Page 61 Operator's Guide Print Sample and Escape Sequence. A sample of the font is shown on the first line of the font list, and a printer command string on the second line. The printer command string is used to select the font and its attributes.
  • Page 62 3-10 Print Menus PCL Font List CB0-BL...

  • Page 63: Copies= (Pcl Print Menu Only)

    Operator's Guide 3-11 Copies= (PCL Print Menu Only) is the factory default. Use ! Choose a value from 1 to 5000. Copies= 1 and " to set the number of uncollated copies of each printed page. (Pressing and holding ! or " causes the displayed count to accelerate.) To make collated copies, use your application’s printer driver.
  • Page 64 3-12 Print Menus Method 2: Using For RIP firmware 07-00 O T C K # <SOH> <STX> <ETX>. or higher, send this command to the printer to print up to 5000 copies. (Check your RIP firmware version in the Extended Configuration Menu.) There are two ways to send O T C K # <SOH>...

  • Page 65: Font #= (Pcl Print Menu Only)

    Operator's Guide 3-13 Font Src= (PCL Print Menu Only) Choose the available font source: ROM (factory default) Left Right Soft ROM is for internal fonts stored in the printer. Left and Right are for HP LaserJet compatible font cartridges inserted into the two slots in the front of the printer.
  • Page 66 3-14 Print Menus Pnt Size= (PCL Print Menu Only) Choose the default height in points (72 points ! 1 in.) of a proportional default font specified by (Page 3-11) and (Page Font Src= ... Font #= ... 3-13). Point sizes are available for scalable fonts from 4.00 to 999.75 points, in .25-point increments.

  • Page 67: Orient= (Pcl Print Menu Only)

    Operator's Guide 3-15 Orient= (PCL Print Menu Only) Choose the default page orientation: Portrait (factory default) Landscape Reverse Portrait Reverse Landscape Page orientation sets the direction characters are printed on the default page: Portrait prints characters right to left across the paper, perpendicular to the paper feed direction.
  • Page 68 3-16 Print Menus Direction of Paper Transport...
  • Page 69 Operator's Guide 3-17 Sym= (PCL Print Menu Only) This option allows selection of an available symbol set for the default font specified in Font Src=... Font #=... For an internal font, choose one of the symbol sets listed below. For any non-scalable default font , select from the following: Roman-8 (factory default) PC-8 D/N...
  • Page 70 3-18 Print Menus where nn in IS0-nn is one of 17 national-use variations of the standard ASCII symbol set (ISO-6). The 17 ISO variations are listed below: ISO-2 International Reference Version ISO-21 German ISO-4 United Kingdom ISO-25 French ISO-6 Standard ASCII (U. S.) ISO-57 Chinese ISO-10...
  • Page 71 Operator's Guide 3-19 The printer uses 6 lines per in. as the factory default for calculating the default number of printable lines per form. Printable Lines/Form Form Size (Length) (Factory Default) Executive (10 in.) Letter (11 in.) A4 (11 in.) Legal (14 in.) Custom (.5 to 33 in.) 3 to 198...
  • Page 72 3-20 Print Menus...

  • Page 73: Configuration Menu

    4—Configuration Menu GENERAL A map of the Configuration Menu is shown at the end of Section 2, Operations. Accessing With the printer offline, press and hold MENU for about 3 seconds to enter the Configuration Menu. The printer displays the message Config Menu followed automatically by when MENU is released.

  • Page 74: Exiting

    Configuration Menu Exiting Press ON LINE to return online. OPTIONS I/O= Choose the input/output (I/O) interface: Parallel (factory default) Serial Optional (if applicable) The interface selection may be overridden if APSense= Enable in the Extended Configuration Menu. When active port sense is enabled, the printer automatically switches to the port on which it senses activity.

  • Page 75: Serial Options

    Operator's Guide Serial Options The following seven Configuration Menu options appear only if I/O= is selected in the Configuration Menu and/or Serial APSense= Enable in the Extended Configuration Menu. Note: Serial interface settings between the printer and host must match. Baud Rt= Baud rate determines the rate of information transfer between host and the printer.
  • Page 76 Configuration Menu This determines whether the serial interface DTR signal on Pin 20 is active high or low. If active high, Pin 20 is high when the printer is ready for data; if active low, Pin 20 is low when the printer is ready for data. Note: A high DTR polarity is normal for IBM PC/XT/AT and compatible computers.

  • Page 77: Data Bits

    Operator's Guide Data Bits= Choose the number of data bits in every information byte: 8 (factory default) Sets the number of significant data bits in each byte transmitted between the printer and host. Seven data bits are used to send only data byte values 0 through 127.

  • Page 78: Stop Bits

    Configuration Menu Mark. Parity bit is always binary 1. Space. Parity bit is always binary 0. RS-= Choose the type of serial interface: 232 (for RS-232, the factory default) 422 (for RS-422) RS-232 uses two single conductors for sending and receiving data over short distances, normally under 25 feet in length.

  • Page 79: Auto Cont

    Operator's Guide Auto Cont= Choose to automatically continue or halt after a recoverable attendance message: Off (factory default) Auto Cont= Off , the attendance message is displayed, printing stops after the print buffer is empty, and the printer goes offline. Pressing ON LINE allows printing to continue with the following conditions: Toner Low , or...

  • Page 80: Lang

    Configuration Menu LaserJet. The printer emulates Hewlett-Packard LaserJet III printers which employ the PCL 5/HP-GL/2 page description language. Auto. Allows automatic switching between the LaserJet and PostScript emulations for those printers featuring both emulations. The printer can sense the emulation code and then automatically switch to that emulation. (See Section 8, Programmer’s Reference Guide, for more detail.) PS Emul.

  • Page 81: Image Horiz

    Operator's Guide Image Horiz= Choose a value in the range of -199 to +199. The factory default is 0. Note: Horizontal image adjustments can also be made online. (See Shifting Print Image Horizontally, in Section 2, Operations.) This horizontal image setting adjusts the print image left (! = +) or right ("...

  • Page 82: Psize

    4-10 Configuration Menu PSize= Choose the form size: either a standard page size, such as Letter, Legal, A4, etc. or a custom form length specified in inches or millimeters. in the previous subsection, the choices are: Page Units= In Standard Pages - Letter (8 x 11 in., the factory default) - Legal (8...
  • Page 83 Operator's Guide 4-11 Letter, Legal, Executive, A4, A5, and A6 are standard page sizes. The printable areas on these standard page sizes are equal to those of LaserJet sheet-feed printers: For standard page sizes, this printer, like other PCL and PostScript printers, enforces a top and bottom no-print zone.

  • Page 84: Pg Prot

    4-12 Configuration Menu Pg Prot.= Choose to enable or disable page protection: On (factory default) If a page is very complex (many font changes, vector graphics, and other printer command devices), the printer may not have the ability to keep pace with the engine printing process.
  • Page 85 Operator's Guide 4-13 Normal Landscape. A normal landscape printout is shown in the following illustration. Notice that, when refolded, the printout opens from right to left—opposite to that of a book. Normal Landscape CA0-H Reverse Landscape. A reverse landscape printout is shown in the next illustration.

  • Page 86: Jam Recover

    4-14 Configuration Menu Jam Recover= Choose between: Off (factory default) Off. The printer does not reprint the data in the jam recovery path after 1) the jam is cleared, 2) the paper is reloaded, 3) the printer cover is closed again, and 4) the ON LINE key is pressed.

  • Page 87: General

    5—Extended Configuration Menu GENERAL A map of the Extended Configuration Menu is shown at the end of Section 2, Operations. Accessing With the printer offline, press and hold MENU for about 6 seconds to enter the Extended Configuration Menu. The printer displays the message followed automatically Extended Config Reset Cnt.= FusPd...

  • Page 88: Exiting

    Extended Configuration Menu Exiting Press ON LINE to return online. OPTIONS Reset Cnt= Choose between the following: FusPd Devlp To reset either the Fuser Pad= ... (Page 5-13) or Devlp. Ft= ... (Page 5- 11) count, display the reset count option, press STORE, and then open the printer’s top cover to replace the fuser pad or developer.

  • Page 89: Print Speed

    Operator's Guide Page. The printer adds or subtracts scan lines at the end of the form to maintain the expected top of form. Use this when printouts include photographs, fills, and other patterns to prevent noticeable blank or extra scan lines in the image area. 0.050 in.

  • Page 90: Special Function

    Extended Configuration Menu Special Function= Values 0 through 7 with 0 as default. Only Special Function Mode 4 is active. Mode 4 prevents the printer from retracting media at the start of print jobs. Use Mode 4 for media that tends to hang up when the printer reverses direction at the start of print jobs.
  • Page 91 Operator's Guide Paper/Label Width Suggested Fuser Temperature Mode 4 in. to 5 in. 161°C 5 in. to 6 in. 169°C 6 in. to 9 177°C Also, consider the following guidelines: Choose higher rather than lower fuser temperatures. For border-line paper widths, such as 5 in., consider using the higher temperature, 169°C.

  • Page 92: Sleep Delay

    Extended Configuration Menu When the printer is not printing, the fuser temperature is allowed to drop to its standby state, a temperature of 50°C (122°F) below the fusing temperature. After inactivity for the length of time set as the fuser sleep delay, the printer allows the fuser temperature to drop further to its idle temperature which is 85°C (185°F) below the fusing temperature..

  • Page 93: Hex Dump

    Operator's Guide Active Port Sense overrides the I/O selection in the Configuration Menu. Note: The printer can lose top of form after switching ports. Hex Dump= Select the hex dump mode Off (factory default) Off. Use this for normal print jobs. On.

  • Page 94: Frm Width

    Extended Configuration Menu Byte Count Data Symbo 00000 00010 04050 08090 0C0D0 ....00000 10111 14151 18191 1C1D1 ....00000 20212 24252 28292 2C2D2 .!"#$%&'( )*+,-./ 00000 30313 34353 38393 3C3D3 012345678 9:;<=>? 00000 40414 44454 48494 4C4D4 @ABCDEFGH IJKLMNO 00000...

  • Page 95: Form Cont

    Operator's Guide Off. The printer uses the logical page width of the previously defined standard (Letter, Legal, Executive, A4, A5, or A6) or custom size. 3.500 to 8.000 in. (or 89 to 203 mm). Specify in. in .0125 in = increments;...

  • Page 96: Pcl Frm Ctl

    5-10 Extended Configuration Menu Note: This option applies to both the PCL and PostScript emulations. However, if PCL Frm Ctl= Off , the Form Cont= ... option is ignored in the PCL emulation. (See the following Extended Configuration Menu option.) PCL Frm Ctl= For the PCL Form Control option, choose: On (factory default)

  • Page 97: Ec Fw Ver

    Operator's Guide 5-11 EC FW Ver= Displays the version of the engine controller firmware. RIP FW Ver= Displays the version of the raster image processor (RIP) firmware. Devlp. Ft= Displays the number of feet printed since the last time the count was reset. (See How Counters Count.) When the count reaches 91,666 feet, the printer displays the message Repl.
  • Page 98 5-12 Extended Configuration Menu How Counters Count You may find unexpected differences in the count reported by counters. For example, after installing the printer, the total foot count begins to increase at a faster rate than the drum foot count. This happens because the total foot count increases for every movement of the paper (even a reverse feed at the start of a print job), whereas the drum count accrues only during printing or erasing a latent image on the drum.

  • Page 99: Fuser Pad

    Operator's Guide 5-13 Fuser Pad= Displays the number of feet printed since the last time the count was reset. (See How Counters Count.) When the count reaches about 3666 feet, the printer displays the message Repl. Fuser Pad . If Auto Cont= Off in the Configuration Menu, then the printer also stops after emptying its print buffer.

  • Page 100: Diag Print

    5-14 Extended Configuration Menu Diag Print= Choose 0, 1, 2, or 3. Press STORE to begin the selected diagnostic print pattern. During the diagnostic processing and printing, the control panel displays Store to . Press STORE to stop printing. Stop The diagnostic print patterns (not to scale) are illustrated on the following pages.
  • Page 101 Operator's Guide 5-15 Pattern #0 Pattern #1 CA0-AD CA0-AE...
  • Page 102 5-16 Extended Configuration Menu Pattern #2 Pattern #3 CA0-AF CA0-AG...
  • Page 103 6—Maintenance WARNINGS ! Turn off printer and unplug power cord before attempting any maintenance procedure. Hazardous voltages are present in this printer. Equipment repair must be performed only by service-trained personnel who are aware of the hazards involved. Do not operate printer without its ozone filter. CAUTIONS ! If you remove the drum cartridge for printer maintenance, place it in its original container or other protective covering and store it in a dark...

  • Page 104: Maintenance

    Maintenance This maintenance section discusses cleaning, lubrication, replacement, adjustment, and other preventive maintenance tasks involving the following printer components: Printer Components PB0-Q7...

  • Page 105: Moving Or Reshipping The Printer

    Operator's Guide MOVING OR RESHIPPING THE PRINTER The printer is shipped from the factory without consumables installed to prevent in-transit damage to the printer, and to the consumables themselves. Likewise, installed consumables must be removed before reshipping or moving the printer. Failure to do so may cause extensive damage to the printer, specifically, but not limited to, physical damage from loose items inside the printer and damage caused by toner powder from the waste bottle, developer unit, and drum.
  • Page 106 Maintenance Remove Consumables. PB0-R2 See Removing the developer unit, Page 6-37. See Removing the drum cartridge, Page 6-34. See Removing the waste toner bottle, Page 6-28.

  • Page 107: Static Electricity

    Operator's Guide " Vacuum Interior. PB0-S1 Use a Shipping Kit To best protect your printer during shipping, use a printer shipping kit, available from the printer manufacturer. STATIC ELECTRICITY The effort involved in bringing dissimilar objects together and then separating them can cause static electrical buildup in some materials. Electrostatic discharge (or ESD) occurs if built-up static electricity in one object is released by contact with a dissimilarly charged object.
  • Page 108 Maintenance sensitive electronic components, then the ensuing discharge can and will damage that equipment. The ESD damage is permanent. Static discharge may simply cause electronic equipment, such as the printer, to lock up or behave erratically. Turning power off and on again may solve the immediate problem.

  • Page 109: Periodic Maintenance

    Operator's Guide the printer. If you use a parallel interface for communication between the host computer and printer, use the right-angle, parallel interface control cable supplied with the printer to make sure the cable doesn’t touch the paper. The printer is electrically grounded to prevent static buildup in the printer itself.

  • Page 110: Maintenance Intervals

    Maintenance MAINTENANCE INTERVALS Feet Maintenance 3666 7333 27,600 91,666 300,000 Clean Fuser Heat Roller , Page 6-21 Paper Path, Page 6-11 Corona Wires, Page 6-16 LSU Cover Glass, Page 6-20 Refill Developer with Toner (only after a message), Page 6-24 Toner Low Replace —...

  • Page 111: Cleaning Procedures

    Operator's Guide CLEANING PROCEDURES WARNING ! Turn the printer off before cleaning any areas inside the printer. Caution ! Except as specifically instructed in this publication, avoid using liquids, including soap and water, inside the printer. Note: A printer cleaning kit is available from the manufacturer. Perform the following cleaning procedures, as required or at the periodic interval specified in the table, Maintenance Intervals, on Page 6-8.

  • Page 112: Cleaning Toner Spills

    6-10 Maintenance Caution ! DO NOT use alcohol on the control panel. Alcohol, if it seeps behind the control panel overlay, will weaken the adhesive which binds the overlay to the keypad. Cleaning Toner Spills If toner is spilled inside the printer, vacuum immediately. Use a vacuum with a fine particle filter (five micron or better) to avoid spreading toner via the vacuum exhaust.

  • Page 113: Cleaning Paper Path

    Operator's Guide 6-11 Cleaning Paper Path To clean the paper path, remove paper, drum (Page 6-33), and developer (Page 6-37). The paper path consists chiefly of the items shown in the following illustration: tension rollers paper guides transfer charger and polyester window covering the transfer corona wire tractors and paper pads To clean the tension rollers, hold a damp cloth against the rollers while...
  • Page 114 6-12 Maintenance Cleaning the Paper Path PB0-U2 Developer Drive Gear PB0-V...

  • Page 115: Cleaning Drum

    Operator's Guide 6-13 Cleaning Drum Cautions ! Failure to comply with these precautions could degrade the quality of print: Do not touch the surface of the green cylinder and take care not to scratch it! Any scratch results in a corresponding black mark deposited on the paper.
  • Page 116 6-14 Maintenance Waste Toner On Drum If toner dust gets on the green cylinder, it may be blown off, but it is not necessary to do so. The drum cartridge assembly contains a doctor blade that cleans the green cylinder. If the green cylinder is dirty when installed, simply form feed the paper a couple of times to allow the doctor blade to clean the drum before printing begins.
  • Page 117 Operator's Guide 6-15 Cleaning Paper Debris from Drum CB0-BZ1 Label Stuck to Drum If a pressure-sensitive label sticks to the drum, remove it using reagent- grade isopropyl alcohol. Pour the isopropyl alcohol onto a soft, lint-free cloth and gently rub the affected area on the drum to remove the label and its adhesive.

  • Page 118: Cleaning Corona Wires

    6-16 Maintenance Cleaning Corona Wires The printer uses two corona wires: the transfer corona wire and the charging corona wire. The transfer corona wire is located in the transfer charger assembly, below the drum cartridge. The charging corona wire is located in the top of the drum cartridge.
  • Page 119 Operator's Guide 6-17 Dirty Charging Corona Wire The charging corona wire in the drum cartridge pre-charges the drum to -700 vdc. The laser beam selectively discharges portions of the drum so that toner can be attracted to the invisible, latent image. A dirty charging corona wire in the drum cartridge fails to pre-charge that portion of the drum so that toner is attracted to this uncharged area.
  • Page 120 6-18 Maintenance Cleaning the Charging Corona Wire CB0-BR 6. If necessary, use a vacuum cleaner made especially for electronic instruments to clean out the chamber holding the corona wire. Be careful not to damage the corona wire. 7. Re-attach plastic cover (left and right ends are indicated by L and R) over the charging corona wire.
  • Page 121 Operator's Guide 6-19 (Even a human hair lying across one end of the corona wire is enough to cause these problems.) Cleaning Transfer Corona Wire To clean the transfer corona wire, first read and heed the preceding Cautions, and then proceed as follows: 1.

  • Page 122: Cleaning Lsu Cover Glass

    6-20 Maintenance Cleaning Transfer Corona Wire CB0-BS1 (Developer Unit Removed for Clarity) Cleaning LSU Cover Glass A dirty or filmed-over laser scan unit (LSU) cover glass can cause an overall or localized dirty appearance in the printout, along with light print. In many cases, film deposits can form from the use of glass cleaners.

  • Page 123: Cleaning Fuser Heat Roller

    Operator's Guide 6-21 Cleaning the LSU Cover Glass PB0-W1 Cleaning Fuser Heat Roller Stains or streaks in print may indicate a dirty fuser heat roller. A dirty or damaged fuser heat roller may leave vertically spaced blotches approximately three inches apart on the printout. Note: The best way to keep the fuser roller clean is to frequently replace the felt cleaning pad.
  • Page 124 6-22 Maintenance WARNING ! The fuser area becomes very hot. Be sure the fuser is cool before attempting to clean it. Cleaning Fuser Heat Roller To clean the fuser heat roller, proceed as follows: 1. Turn off printer. 2. Open top cover. 3.

  • Page 125: Cleaning Electrical Contacts

    Operator's Guide 6-23 Cleaning the Fuser Heat Roller PB0-X5 Cleaning Electrical Contacts Normally, electrical contacts need not be cleaned. If necessary, however, turn off and unplug the printer and then use a small amount of reagent- grade isopropyl alcohol on a lint-free cloth to clean the contacts. Allow to thoroughly dry before closing the printer cover and reconnecting power.

  • Page 126: Lubrication

    6-24 Maintenance LUBRICATION Periodic lubrication is not required. All moving parts are either lubricated for life or require no special periodic lubrication. In fact, unwarranted lubrication could cause damage or impaired performance. TONER REFILL When a developer unit is replaced, a special starter toner charge containing a carrier must be added to the toner reservoir.
  • Page 127 Operator's Guide 6-25 Cautions ! Never add toner unless instructed to by the Toner Low message. If for any reason toner must be replaced, carefully remove old toner from developer and dispose of toner properly. Never re-use toner from the waste toner bottle. Waste toner is not fine enough to be recycled through the developer.
  • Page 128 6-26 Maintenance Refilling Toner To refill the developer with toner, proceed as follows: 1. Open top cover of printer. 2. Remove one of two toner bottles from the toner kit. 3. Before removing the bottle’s cap and seal, shake the bottle to fluff the toner.
  • Page 129 Operator's Guide 6-27 Note: Despite appearances, toner from a full, 18.2-oz (520-g) toner bottle fits into the developer. Use the nozzle to spread the toner evenly inside the reservoir. 8. Snap the developer cover closed. 9. Remove the nozzle and replace the bottle cap on the empty bottle. 10.

  • Page 130: Replacement Of Consumables

    6-28 Maintenance REPLACEMENT OF CONSUMABLES Perform the following replacement procedures as required or at the periodic interval specified in the Maintenance Intervals table on Page 6-8. Waste Toner Bottle Replacement Replace the waste toner bottle when the toner reservoir is refilled. Caution ! Never reuse the toner from the waste toner bottle.
  • Page 131 Operator's Guide 6-29 Do not expose the green cylinder to light for more than five minutes. Over time, strong light will damage the drum coating, thereby degrading print quality. 3. Place the green waste toner bottle cap over mouth of bottle. 4.
  • Page 132 6-30 Maintenance Replacing Waste Toner Bottle PB0-Z1...

  • Page 133: Felt Cleaning Pad Replacement

    Operator's Guide 6-31 Felt Cleaning Pad Replacement Replace the felt cleaning pad when the toner reservoir is refilled. Caution ! NEVER operate the printer without a felt cleaning pad. Note: If the printer consistently prints on labels (or other nonporous media) or on forms six inches or narrower, replace pad every 3666 ft.
  • Page 134 6-32 Maintenance Removing Felt Cleaning Pad To remove the used felt cleaning pad, refer to the following illustration. Proceed as follows: 1. Turn off printer. 2. Open top cover. 3. Open hinged cover over felt cleaning pad. WARNING ! The fuser assembly becomes very hot during printing. Take care to hold the felt cleaning pad by the center (green) handle only.

  • Page 135: Drum Cartridge Replacement

    Operator's Guide 6-33 4. Reset the Fuser Pad= … counter by selecting Reset Cnt=FusPd in the Extended Configuration Menu and then pressing STORE. Replacing Felt Cleaning Pad PB0-AA1 Drum Cartridge Replacement Normal maintenance interval for drum cartridge replacement is approximately every 27,600 ft. At 27,600 ft the printer displays the message as a reminder.
  • Page 136 6-34 Maintenance Replacing Drum Cartridge To remove the drum cartridge, refer to the following illustration. Open the top cover of the printer and lift out the drum cartridge: If the drum cartridge is removed for maintenance on the printer, place the cartridge in its original container or other covering to protect it from light and physical damage.
  • Page 137 Operator's Guide 6-35 Do not expose the green cylinder to light for more than five minutes. Over time, strong light will degrade the drum coating and affect print quality. 3. Carefully remove tape that covers and supports a small tab on side of cartridge.
  • Page 138 6-36 Maintenance Replacing Drum Cartridge PB0-AB1...

  • Page 139: Developer Unit Replacement

    Operator's Guide 6-37 Developer Unit Replacement Normal maintenance intervals for developer unit replacement is approximately every 92,000 ft. At 91,666 ft the printer displays the message Repl. Developer as a reminder. Notes: Replace the ozone filter at the same time the developer unit is replaced.
  • Page 140 6-38 Maintenance Installing Developer Unit To install a new developer unit, refer to the following illustrations. Proceed as follows: 1. Remove developer unit from foil bag. Save the bag for disposal of old developer unit. 2. Hold the developer unit with the roller directed away from you. 3.
  • Page 141 Operator's Guide 6-39 Replacing Developer Unit PB0-AC4 6. Reset the counter by selecting in the Devlp. Ft= … Reset Cnt=Devlp. Extended Configuration Menu and then pressing STORE. 7. Continue below to fill the toner reservoir with starter toner. Filling Toner Reservoir With Starter Toner To fill the toner reservoir with starter toner, refer to the following illustration.
  • Page 142 6-40 Maintenance 2. Before removing the bottle’s cap and seal, shake the bottle to fluff the toner. 3. Unscrew the cap. To prevent a puff of toner from escaping when you remove the bottle seal, first puncture the seal slightly with a pin or knife or simply peel back the seal slightly to relieve pressure within the bottle.

  • Page 143: Ozone Filter Replacement

    Operator's Guide 6-41 Adding Starter Toner to Developer PB0-AF Ozone Filter Replacement Normal maintenance interval for ozone filter replacement is approximately every 92,000 ft. Note: Replace the ozone filter when the developer unit is replaced. WARNING ! High voltages used in laser printers create ozone gas that can be harmful.
  • Page 144 6-42 Maintenance Removing Ozone Filter To remove the ozone filter, refer to the following illustration. Proceed as follows: 1. Open top cover of printer. Lift tab on top of ozone filter and pull out the filter. Installing Ozone Filter To install the ozone filter, refer to the illustration. Proceed as follows: Caution ! When opening and removing the filter from its storage bag, do not deform the filter.

  • Page 145: Print Density Adjustment

    Operator's Guide 6-43 Replacing Ozone Filter PB0-AD2 PRINT DENSITY ADJUSTMENT Print density is the relative darkness of the print on the paper. To set the print density: 1. Open top cover of printer.
  • Page 146 6-44 Maintenance 2. Locate the green print density dial inside printer (see the following illustration). The normal setting is 3. Turn the dial to a lower number if lighter print is desired; higher for darker print. See the Note and Caution that follow.

  • Page 147: Fuser Heat And Pressure Roller Replacement

    Operator's Guide 6-45 Setting Print Density PB0-AE1 FUSER HEAT AND PRESSURE ROLLER REPLACEMENT Warning ! Make sure fuser has cooled sufficiently before handling. To remove the fuser heat and pressure roller assembly, refer to the following illustration. Proceed as follows: 1.
  • Page 148 6-46 Maintenance Installing Fuser Heat and Pressure Roller Assembly To install the fuser heat and pressure roller assembly, proceed as follows, referring as necessary to the illustration below: 1. Insert the fuser heat and pressure roller assembly. Make sure assembly is fully seated and the white, plastic fuser retaining levers are in their fully engaged positions.
  • Page 149 Operator's Guide 6-47 Fuser Heat and Pressure Roller Replacement PB0-CA...
  • Page 150 6-48 Maintenance...

  • Page 151: Troubleshooting

    7—Troubleshooting WARNINGS ! Hazardous voltages are present in this printer. With the enclosure removed and power applied, hazardous voltage areas are present. Equipment service must be performed only by service-trained personnel who are aware of the hazards involved. Do not operate printer without its ozone filter. CAUTIONS ! If you remove the drum cartridge for printer maintenance, place it in its original container or other protective covering and store it in a dark...

  • Page 152: Troubleshooting Chart

    Troubleshooting TROUBLESHOOTING CHART Computer Messages, Page 7-3 Printer Messages, Page 7-3 Indicators, Page 7-11 Print Quality, Page 7-11 Print and Forms Positioning, Page 7-23 Configuration Settings, Page 7-26 Print Missing/Repeated/Strange/Unexpected, Page 7-27 Graphics, Page 7-29 Typeface, Page 7-30 Paper Problems (Positioning, Feeding, Paper Out, Jamming, Scorching, Speed), Page 7-31 Control Panel, Page 7-34 Communications, Page 7-35...
  • Page 153 Operator’s Guide Troubleshooting Chart Problem Probable Cause Solution Computer Messages Not ready error writing 1. Offline 1. Check if printer is offline. device 2. Possible Interface Timeout 2. Change timeout using DOS mode Abort,Retry,Ignore,Fail? command or the printer driver. 3. Wrong Port 3.
  • Page 154 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Laser Failure 1. Defective Laser Scan Unit Cycle power off and on. If problem (LSU), LSU Interface persists, call for service. (May occur after opening Cable, Cover Latch and closing printer) 2.
  • Page 155 Operator’s Guide Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Load Paper No Paper in Printer Load paper. Close cover and then press ON LINE. Printer Lost Top of Form Reload paper. Media Too Narrow The paper switch, shown in the illustration below, is located near the middle of the paper feed slot.
  • Page 156 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Need Print Drum Drum Cartridge is Missing Re-install drum cartridge. Close cover and press ON LINE. Need Toner Cup Waste Toner Bottle is Re-install waste toner bottle. Missing 2. Electronics Failure Cycle power off and on.
  • Page 157 Operator’s Guide Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Page Too Complex Printer Has Insufficient Try one of the following: Memory to Rasterize Page Add more printer memory (Appendix A) Delete soft fonts and macros in the Pg Prot.= On Extended Configuration Menu Paper Jam...
  • Page 158 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Repl. Cartridge Print Buffer Contained Print Re-install the font cartridge. Data When the Font Cartridge was Removed Repl. Developer Developer Unit Has Exceeded Replace developer unit (and ozone 91,666 Ft filter) as soon as possible .
  • Page 159 Operator’s Guide Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Reset to Save Print Menu Changes Were Press: Made While Printer Contained RESET to immediately save the Print Data, Temporary Fonts, new selection and erase buffered or Temporary Macros data and any temporary fonts or macros.
  • Page 160 7-10 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Toner Low Low Toner Refill toner reservoir. Bad Electrical Contact Snap the toner reservoir cover Between Developer and shut, and carefully remove the Printer Power Supply developer. _________________________ Caution! Don’t tip the developer.

  • Page 161: Indicators

    Operator’s Guide 7-11 Troubleshooting Chart, continued Problem Probable Cause Solution Printer Messages, continued Wait Fuser is Heating Up or Wait. Printer is Recovering From an Error Printer Failure During Cycle power off and on. (Also, Complex Rasterization see solution for Page Too message.) Complex...

  • Page 162: Print Quality

    7-12 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued No Print in Narrow If Top Cover Is Not The drum is held down by the Vertical Strip Latched on One Side, top cover. Make sure cover is Print May Be Lighter on latched securely on both sides.
  • Page 163 Operator’s Guide 7-13 Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued No Print in Narrow 6. Worn Drum 6. If a drum has been used Vertical Strip (Continued) extensively to print narrow forms, it may show when media is switched to wide forms.
  • Page 164 7-14 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Light (Graying) Print, Low Toner Toner Low is displayed, refill Overall developer with toner. Print Density Setting Too Set the print density dial to a higher setting. Broken Developer Drive Check drive gear (Page 7-51).
  • Page 165 Operator’s Guide 7-15 Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Light Print (Wide Vertical If Top Cover Is Not The drum is held down by the Strip) Latched on One Side, top cover. Make sure cover is Print May Be Lighter on latched securely on both sides.
  • Page 166 7-16 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Light Print, Wide Vertical 5. Defective or Clogged 5. Check for a jammed developer Strip (Continued) Developer (Page 7-51). If necessary, replace developer. 6. Worn Drum 6. If a drum has been used extensively to print narrow forms, it shows when media is switched to wide forms.
  • Page 167 Operator’s Guide 7-17 Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Dark, Vertical Stripe or Dirty Charging Perform a Transfer Sequence Fault Streaks Corona Wire or Grid Isolation Test (Page 7-39): (Anywhere) Dielectric If streaks appear prior to fusing: Incompatibility of Clean corona wires.
  • Page 168 7-18 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Dark, Radiating Streaks Dielectric Incompatibility of If the form has very high dielectric Media properties the transfer charger may have difficulty accurately transferring the drum image to the media. Observe that the image on the drum is OK while the image on the paper is frayed with radiating lines or traces...
  • Page 169 Operator’s Guide 7-19 Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Smear Dirty Fuser Roller 1. Remove felt cleaning pad. Clean fuser roller with isopropyl alcohol. Allow to dry and then install a new felt cleaning pad. If necessary, replace fuser heat and pressure rollers.
  • Page 170 7-20 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Blemishes , Spots, and 1. Paper Debris or Dust in 1. Clean entrance to drum. (See Horizontal Lines Drum Causing Toner To Section 6, Maintenance.) If Spill onto Media from necessary, replace drum.
  • Page 171 Operator’s Guide 7-21 Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Blemishes That Repeat If Every 5 in. on Printout, Remove the drum cartridge and Suspect the Drum check for a scratch or nick or Cartridge pits on the green cylinder. These can be caused by a malfunctioning developer unit.
  • Page 172 7-22 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Quality, continued Print Smudges When 1. Fuser Temperature Set Select a higher Fuser Temp= ... Rubbed Too Low in the Extended Configuration Menu. Print Density Set Too Choose a lower print density Print Rubs Off High setting.

  • Page 173: Print And Forms Positioning

    Operator’s Guide 7-23 Troubleshooting Chart, continued Problem Probable Cause Solution Print and Forms Positioning Wrong Format Print File is Overriding Menu For PCL emulation, set Form Settings in Extended Form Ctl= Off (Custom Form Settings in Configuration Menu to force Configuration and menu form control over that of Extended Configuration...
  • Page 174 7-24 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print and Forms Positioning, continued in. or in. Gap at Each Depending on Emulation, the PSize in the Configuration Menu Top of Form Printer Imposes a No Print to select a custom form size. Area at the Top and Bottom of Standard Page Sizes Vertical Misalignment...
  • Page 175 Operator’s Guide 7-25 Troubleshooting Chart, continued Problem Probable Cause Solution Print and Forms Positioning, continued Registration Shifts Slightly Vertical Correction Every 0.05 in the Extended VCor.= 0.050 in Especially When Using In. is Disabled Configuration Menu when tight Long Forms registration is required.

  • Page 176: Configuration Settings

    7-26 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Configuration Settings Printer Not Printing As Per Print Menu Settings Being Normal. Printer commands from Menu Overridden by Host the host will override Print Menu settings for number of copies, font selection, orientation, and line spacing.

  • Page 177: Print Missing/Repeated/Strange/Unexpected

    Operator’s Guide 7-27 Troubleshooting Chart, continued Problem Probable Cause Solution Print Missing/Repeated/Strange/Unexpected Printout Fails to Appear in PostScript Error Has This can occur because the PostScript Flushed File(s) PostScript file(s) either a) lack an end-of-transmission (EOT) (READY may first flash command (04H) at the beginning with DATA off.
  • Page 178 7-28 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Print Missing/Repeated/Strange/Unexpected, continued READY is Steady On PCL Print File Lacks Print Job PCL print files must have a PCL Terminator reset, eject, or form feed command at DATA is Steady On the end of the file to begin printout.

  • Page 179: Graphics

    Operator’s Guide 7-29 Troubleshooting Chart, continued Problem Probable Cause Solution Print Missing/Repeated/Strange/Unexpected, continued Last Part of Print Job Is Interface Timeout Change timeout using DOS or, if Missing possible, the print driver. PCL Print File Lacks PCL print files must have a PCL Print Job Terminator reset, eject, or formfeed command at the end of the file to...

  • Page 180: Typeface

    7-30 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Typeface Wrong Typeface Commands from Host Normal. Printer commands from the (Not the One Selected in Overriding Printer Settings host override Print Menu settings. the Print Menu) Wrong Typeface Temporary Soft Font Has Be sure to download the soft font Not Been Downloaded to to the printer before or along...

  • Page 181: Paper Problems

    Operator’s Guide 7-31 Troubleshooting Chart, continued Problem Probable Cause Solution Typeface, continued Wrong Typeface Font Cartridge Not If the font cartridge is not Installed Properly installed securely, printer will (Not the One Selected from not recognize the cartridge. the Font Cartridge) Instead, the printer substitutes the closest available font.
  • Page 182 7-32 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Paper Problems (Positioning, Feeding, Paper Out, Jamming, Scorching, Speed), continued Paper Burns, Scorching 1. Wrong Fuser Temperature 1. Check Fuser Temp= ... setting in the Extended Configuration Menu. 2. Dirty Felt Cleaning Pad 2.
  • Page 183 Operator’s Guide 7-33 Troubleshooting Chart, continued Problem Probable Cause Solution Paper Problems (Positioning, Feeding, Paper Out, Jamming, Scorching, Speed), continued 1. See Paper and Label Pre-dispensing of Labels Labels Being Used are Not Recommendations in Section 2. Optimized for Lasergraphics (Labels come off carrier or Contact the printer manufacturer liner inside printer)

  • Page 184: Control Panel

    7-34 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Paper Problems (Positioning, Feeding, Paper Out, Jamming, Scorching, Speed), continued Paper Doesn't Feed 1. Obstruction 1. Check paper path for obstruction. (Both On and Off Line) 2. Mechanical or Electronics 2. Call for service. Failure 3.

  • Page 185: Communications

    Operator’s Guide 7-35 Troubleshooting Chart, continued Problem Probable Cause Solution Control Panel, continued No Message Displayed Electronics Problem Call for service. No Response to Keys Fan OK Communications Character or Control 1. Printer's PCL Print Menu 1. Normal. Host computer Problems With Any Settings Have Been commands overrides Print Menu...
  • Page 186 7-36 Troubleshooting Troubleshooting Chart, continued Problem Probable Cause Solution Communications, continued Problems When Using 1. Wrong Serial Interface 1. Host and printer settings for baud, Serial Interface Only: Settings data bits, parity, and stop bits must be the same. Check serial Garbled text interface settings in Configuration No printout...

  • Page 187: Noise

    Operator’s Guide 7-37 Troubleshooting Chart, continued Problem Probable Cause Solution Noises Chattering, Grinding, 1. High-Torque Developer or 1. First, check the developer unit Ratcheting, or Slipping Waste Toner Auger With and the drum cartridge for proper Noise an Obstruction May Cause installation.

  • Page 188: Troubleshooting Procedures

    7-38 Troubleshooting TROUBLESHOOTING PROCEDURES Power On Sequence Check When printer power is turned on, expect the following events. If the printer fails any portion of this sequence, it displays the message Self Test Error. The boxes on the left indicate the primary responsible controller PCB EC stands for the engine controller PCB and RIP stands for raster image processor PCB.

  • Page 189: Transfer Sequence Fault Isolation Test

    Operator’s Guide 7-39 If item is missing or if paper is jammed, the printer sounds out three short beeps and then displays Load Paper Paper Jam Need Print , or Drum Need Toner Cup ! ! ! ! 6. Next, the printer turns on the main drive motor. The sound of a motor and its gears is heard as the printer prepares the developer and drum.
  • Page 190 7-40 Troubleshooting station, or corona wires. Clean the tension roller and corona wires. (See Section 6, Maintenance.) Check for a developer jam (Page 7- 51). If necessary, call for service. If the print quality appears normal between the developer and fuser, suspect a dirty or worn fuser.

  • Page 191: Fuser Failure And Form Speed Error Messages

    Operator’s Guide 7-41 Check that toner is filled and distributed evenly. Low print density dial setting. Adjust to a higher setting. A jammed developer gear (if so, the print quickly fades out entirely). Check for a jammed developer using the procedure on Page 7-51. If necessary, replace developer.
  • Page 192 7-42 Troubleshooting Several factors may contribute to the inability of the fuser to maintain a fusing temperature: Thick media or media with a high moisture content may act like a heat sink to rob the fuser of heat. A weak fuser lamp may not supply enough heat. The line voltage may not be adequate, or the power source might be incorrect, powering a 230 vac printer from a 115 vac outlet, for example.
  • Page 193 Operator’s Guide 7-43 Stick with media recommended by the manufacturer (see Paper and Label Recommendations in Section 2). Replace the fuser cleaning pad often to prevent loose toner from adhering to the fuser. Form Speed Error Form Speed Error message occurs in the following situations: A defective or toner covered tractor sensor.

  • Page 194: Paper Jam And Wrinkling

    7-44 Troubleshooting interlock switch or actuator, a bad laser scan unit (LSU), and even opening and closing the printer can cause this problem. It is normal for speed-related errors to occur when opening and closing the cover. This is due to changes in the speed of the LSU imaging mirror when the top cover is raised or lowered;...
  • Page 195 Operator’s Guide 7-45 Torn paper, broken perforations, or distorted sprocket holes Poor paper feeding or stacking A dirty, broken, or worn tension roller Worn fuser or tractor mechanism Paper Jam Sensor (Fuser Heat Shield) PB0-AI1 Paper Jam will also occur if paper is installed but the top-of-form switch has not been actuated within a time-out limit after turning on the printer.

  • Page 196: Clearing A Jam

    7-46 Troubleshooting Paper Jam Sensor (Fuser Exit Cover) PB0-AS Clearing a Jam " Notes: Jam Recover= On in the Configuration Menu, be aware that any data in the jam recovery path is reprinted after the jam is cleared and the printer returned online. "...
  • Page 197 Operator’s Guide 7-47 Caution ! Do not pull jammed paper from the rear of the printer! When paper jams in this printer, it tends to fold itself into an accordion-like shape. Clearing the jam by pulling the paper out of the fuser exit cover, that is, from the rear of the printer, causes the accordion-like folds to catch on and possibly damage the fuser exit cover.
  • Page 198 7-48 Troubleshooting Clearing A Paper Jam PB0-AJ2...
  • Page 199 Operator’s Guide 7-49 Wrinkled Paper Stress on paper as it enters or leaves the fuser can cause wrinkling. Note: Wrinkling can occur with very light weight or stretchy media. Stretchy media is paper or other material with relatively long or soft fibers that allow the material to distort (wrinkle) when pulled through the printer.
  • Page 200 7-50 Troubleshooting the rack attached to that tractor so that it clears the pinion, move the tractor to the end, and then release the rack to re-mesh with the pinion. Tractor Alignment (Top View) CB0-BV1 Rack and Pinion Device CB0-BW...

  • Page 201: Developer Jam

    Operator’s Guide 7-51 Developer Jam Note: A developer jam may cause a gear-like grinding noise. , light print overall, or horizontal strips of light print Form Speed Error occur if the developer's roller jams. To fix a stuck developer, 1. Make sure that the toner reservoir is closed and snapped shut. 2.
  • Page 202 7-52 Troubleshooting 6. Next check the developer drive gear, located in the printer to the right of an in-place developer. See the illustration on Page 7-53. 7. Hold the drum drive gear stationary and try turning the developer drive gear. If the developer drive gear slips without turning the drum drive gear, call for service to repair drive train 8.

  • Page 203: Troubleshooting Aids

    Operator’s Guide 7-53 Checking for Developer/Drum Drive Train Slippage CB0-BY1 TROUBLESHOOTING AIDS Diagnostic Patterns A printout of a diagnostic pattern can isolate form length and print quality problems, and can help resolve data versus printer problems. Select the diagnostic pattern using in the Extended Diag Print= ...

  • Page 204: Hex Dump Mode

    7-54 Troubleshooting Hex Dump Mode The hexadecimal (hex) dump mode is used for checking: proper receipt of characters by the printer control commands nonprintable codes Control commands are covered in more detail in Section 8, Programmer’s Reference Guide. In the hex dump mode, the printer does not execute the printer commands it receives from the host.
  • Page 205 Operator’s Guide 7-55 PCL Display Mode The display mode is a method of verifying printer commands sent from the host in PCL format. The most significant difference between the PCL display mode and the hex dump mode is that the display mode is entered using a PCL printer command, c Y.
  • Page 206 7-56 Troubleshooting ASCII Commands: c ( 1 Ø U Select PC-8 Symbol Set c & s Ø C End of Line Wrap On Display Mode On BASIC Program: LPRINT CHR$(27);’’(1ØU’’;CHR$(27);’’&sØC’’;CHR$(2 7);’’Y’’; The printer print all characters and commands until the printer is either turned off or until a Display Off command, c Z, is sent to the printer.
  • Page 207 Operator’s Guide 7-57...

  • Page 208: Introduction

    8—Programmer’s Reference Guide INTRODUCTION This printer supports most commands used in HP LaserJet III and/or Apple LaserWriter II NTX printers. One very special difference is that HP LaserJet and Apple LaserWriter printers are sheet feeders with paper trays, and this laser printer uses continuous forms. Continuous-Form Vs Cut-Sheet Laser Printers A continuous-form laser printer combines the convenience of continuous- form dot-matrix printers with the speed and quality of a laser.

  • Page 209: Pcl Nomenclature And Conventions

    Programmer’s Reference Guide PCL Nomenclature & Conventions In the PCL printer commands used throughout this section, the following nomenclature and conventions apply: The escape code is denoted by c, or ASCII decimal 27, in PCL 5 escape control sequences. For readability, the arguments of some c commands are shown separated by spaces.

  • Page 210: References

    Operator's Guide References If you plan to provide special application programming for your printer, you should obtain one or more of the following reference publications: PCL 5 References Hewlett-Packard, PCL 5 Printer Language Technical Reference Manual, 1990 Steven J. Bennett, Peter G. Randall, The LaserJet III Companion, (New York: Brady Publishing, 1991) PostScript References Adobe Systems Incorporated, PostScript Language Reference Manual...

  • Page 211: Pcl5 Printer Command Enhancements

    Programmer’s Reference Guide PCL5 PRINTER COMMAND ENHANCEMENTS PCL 5 printer command differences between this printer and an HP LaserJet III are outlined in the paragraphs that follow. The detailed formats of the printer commands are arranged by ASCII value through this section. The list that follows is arranged by function. The printer supports all HP LaserJet III PCL 5 commands except for c &...
  • Page 212 Operator's Guide PCL 5 PRINTER COMMANDS — Over & Above Those Available in an HP LaserJet III — Function Command Page Job Control Exit Language/Enter PJL c % – 1 2 3 4 5 X 8-21 Number of Copies O T C K # <SOH>...
  • Page 213 Programmer’s Reference Guide B E G I N 2 Switch to PostScript <SOH> <STX> <ETX> ASCII: <SOH> <STX> <ETX> Decimal: If printer has not been preset for auto emulation, this command causes the printer to switch unconditionally to the optional PostScript emulation. B E G I N 3 Switch to PCL 5 <SOH>...
  • Page 214 Operator's Guide O T C K # Number of Copies <SOH> <STX> <ETX> ASCII: <SOH> <STX> <ETX> Decimal: Sets the number of copies (#) to be printed from 1 to 5000. The printer ignores the command if # ! 0. Use this command when the number of copies exceeds 99.
  • Page 215 Programmer’s Reference Guide O T C S # Fuser Sleep Delay <SOH> <STX> <ETX> ASCII: <SOH> <STX> <ETX> Decimal: Specifies the number of minutes of inactivity before the fuser is allowed to fall to its idle temperature. The idle or sleep temperature is about 85º C below the fuser operating temperature selected using the Fuser Temperature command (Page 8-6).
  • Page 216 Operator's Guide Note: Normally, choose vertical correction every 0.05 in. (# = 1) on preprinted forms, some labels, and the like. Always choose # = 1 when form length ! 2 in. Choose correction at the end of the form (# = 0) when printing all types of graphics, especially those requiring dithered features.
  • Page 217 8-10 Programmer’s Reference Guide # = 2002: A4 (210 mm x 297 mm) with top & bottom no-print area of (Most A4 continuous forms are 210 mm x 11 in.) Note: Sending this command causes any unprinted pages to be printed, then resets the top margin, text length, and left/rights margins to their defaults, and disables macro overlays.
  • Page 218 Operator's Guide 8-11 (This page is intentionally blank.)
  • Page 219 8-12 Programmer’s Reference Guide Standard Portrait CC1-C...
  • Page 220 Operator's Guide 8-13 EGEND A = Physical Page Width Physical Page, Normally Bordered B = Physical Page Length by Perforations C = Logical Page Width D = Max. Logical Page Length E = Distance Between the Side Edges of Physical Page and the Logical Printable Area, Where Printer Page Engine Can Physically Print Dots...
  • Page 221 8-14 Programmer’s Reference Guide Standard Landscape CC1-D...
  • Page 222 Operator's Guide 8-15 EGEND A = Physical Page Width Physical Page, Normally Bordered B = Physical Page Length by Perforations C = Logical Page Width D = Max. Logical Page Length E = Distance Between the Side Edges of Physical Page and the Logical Printable Area, Where Printer Page Engine Can Physically Print Dots...
  • Page 223 8-16 Programmer’s Reference Guide Custom Portrait CC1-A...
  • Page 224 Operator's Guide 8-17 EGEND A = Physical Page Width Physical Page , Defined by the B = Physical Page Length User in in. or 1 mm Increments. C = Logical Page Width D = Max. Logical Page Length E = Distance Between the Side Edges of Physical Page and the Logical Printable Area , Where Printer...
  • Page 225 8-18 Programmer’s Reference Guide Custom Landscape CC1-B...
  • Page 226 Operator's Guide 8-19 EGEND A = Physical Page Width Physical Page , Defined by the B = Physical Page Length User in in. or 1 mm Increments. C = Logical Page Width D = Max. Logical Page Length E = Distance Between the Side Edges of Physical Page and the Logical Printable Area , Where Printer...
  • Page 227 8-20 Programmer’s Reference Guide c & l l l l # H Page Eject ASCII: & Decimal: Causes the present page to be ejected. The only valid value of # is zero. All other values are ignored. c & l l l l # P Page Length (number of lines) ASCII: &...
  • Page 228 Operator's Guide 8-21 Unlike a cut-sheet printer, this printer allows for very flexible, Notes: continuous-form, page-length control. Since HP LaserJet printers are limited to a maximum of four cut-sheet sizes (Executive, Letter, Legal, or A4), this command may cause very different results on this printer versus an HP LaserJet printer.

  • Page 229: Printer Job Language

    8-22 Programmer’s Reference Guide PRINTER JOB LANGUAGE Printer Job Language (PJL) is used for exiting one emulation and entering another (for those printers that include the PostScript emulation). Enter PJL using the c % – 1 2 3 4 5 X command (Page 8-21). Three PJL commands are available: the PJL Comment command, the Enter PCL 5 Language command, and the Enter PostScript Language command.
  • Page 230 Operator's Guide 8-23 @PJL ENTER LANGUAGE = PCL ASCII: P J L E N T E R L A N G U A G E = P C L <SP> <SP> <LF> Decimal: 64 80 74 76 69 78 84 69 82 76 65 78 71 85 65 71 69 61 80 67 76 Use this command to enter/return to the PCL 5 emulation.
  • Page 231 8-24 Programmer’s Reference Guide Example : The following program uses PCL 5 (and HPGL) to print out a banner PostScript Print Jobs (5-5-96) prior to entering PostScript emulation. c%-12345X @PJL COMMENT ********************************** <LF> @PJL COMMENT PostScript Print Jobs (5-5-96) <LF> @PJL COMMENT ********************************** <LF>...

  • Page 232: Emulation Control

    Operator's Guide 8-25 EMULATION CONTROL If the printer contains both PCL 5 and PostScript emulations, then it features automatic and manual switching between these emulations. Select LaserJet, PS, or Auto from the Configuration Menu. When set to Auto, the printer automatically switches to the PCL 5 (LaserJet) or PostScript (PS) emulation based on the contents of the first .5 Kbyte of data sent from the host.
  • Page 233 8-26 Programmer’s Reference Guide Under certain circumstances, automatic switching may be problematic. Automatic switching will not or might not occur when 1) downloading ASCII text files that do not contain printer control codes, 2) using print screen processes, either out of DOS or otherwise, 3) using some application files, especially user-created files, that are not printer specific, and 4) using PCL type management software that does not download fonts with every print file.
  • Page 234 Operator's Guide 8-27 Although these commands can be embedded in a text file, they can cause unpredictable results if the file is printed on a different printer. The commands would probably be ignored by the new printer. If this is a problem, however, consider the method described below. Consider using HP's printer job language (PJL) commands for switching between PCL and PostScript emulations.
  • Page 235 8-28 Programmer’s Reference Guide...

  • Page 236: Appendix A- Memory Enhancement

    Appendix A— Memory Enhancement WARNINGS ! Hazardous voltages are present in this printer. With the enclosure removed and power applied, hazardous voltage areas are present. Equipment service must be performed only by service-trained personnel who are aware of the hazards involved. CAUTIONS ! The printer circuit boards (PCBs) inside the printer contain static- sensitive components.
  • Page 237 Appendix A — Memory Enhancement CAUTIONS (Continued) Whenever you remove the drum cartridge, place it in its original container or other protective covering and store it in a dark location. Prolonged exposure to strong light deteriorates the green organic photoconductor coating on the drum. Never use the fuser exit cover on the back of the printer as a handhold for lifting the printer.

  • Page 238: Rip Controller Pcb Replacement

    Operator’s Guide RIP CONTROLLER PCB REPLACEMENT To remove the RIP controller PCB, proceed as follows: 1. Remove paper, turn off printer, and disconnect power, interface, and stacker cables at rear of printer. 2. Position the printer so that the rear connector panel is easily accessible, with at least a foot and a half of free space available.
  • Page 239 Appendix A — Memory Enhancement If an antistatic wrist strap is available, use it and connect the other end to an electrical ground. If you have a wire connected to alligator-type electrical clips, connect the clip to the connector panel and the other end to electrical ground.

  • Page 240: Simm Pcb Replacement

    Operator’s Guide SIMM PCB REPLACEMENT The SIMM connector is located along the left edge of the RIP controller PCB. If the printer already has a SIMM PCB installed, it must be removed before adding more printer memory. To remove a SIMM PCB, proceed as follows: 1.
  • Page 241 Appendix A — Memory Enhancement SIMM Removal (! ! ! ! " " " " ) & Installation (# # # # $ $ $ $ ) PB0-AM To install a SIMM PCB, proceed as follows: 1. Remove the RIP controller PCB, as described above. 2.
  • Page 242 Appendix B— Firmware Upgrade WARNINGS ! Hazardous voltages are present in this printer. With the enclosure removed and power applied, hazardous voltage areas are present. Equipment service must be performed only by service-trained personnel who are aware of the hazards involved. CAUTIONS ! The printer circuit boards (PCBs) inside the printer contain static- sensitive components.
  • Page 243 Appendix B — Firmware Upgrade CAUTIONS (Continued) Whenever you remove the drum cartridge, place it in its original container or other protective covering and store it in a dark location. Prolonged exposure to strong light deteriorates the green organic photoconductor coating on the drum. Never use the fuser exit cover on the back of the printer as a handhold for lifting the printer.

  • Page 244: Upgrading Rip Firmware

    Operator’s Guide UPGRADING RIP FIRMWARE The RIP firmware PCB is shown in the following illustration. RIP Firmware PCB PB0-AT To remove the RIP firmware PCB, proceed as follows: 1. Remove the connector panel and RIP controller PCB as explained in RIP Controller PCB Replacement in Appendix A.
  • Page 245 Appendix B — Firmware Upgrade RIP Firmware Removal PB0-AO1 To install RIP firmware, proceed as follows: 1. Make sure that the ejector on the RIP firmware connector is positioned at an angle of about 45º. 2. Note the orientation key on the RIP firmware PCB. The orientation key on this mini-PCB should face the ejector on the RIP controller PCB.

  • Page 246: Upgrading Ec Firmware

    Operator’s Guide 5. Make sure that the ejector is rotated to its full vertical position. 6. Press down on the mini-PCB to make sure it is fully seated and sitting evenly in its connector. 9. Re-install the RIP controller PCB as described in Appendix A. UPGRADING EC FIRMWARE The EC firmware resides in a socketed ROM IC located on the EC PCB which, in turn, is located in a shelf below the RIP controller PCB.
  • Page 247 Appendix B — Firmware Upgrade EC PCB (Cut-Away View of Rear Connector Panel) PB0-AU 4. Place the PCB on a static-free surface or antistatic bag. 5. See the Caution below along with the following illustration before extracting the EC firmware IC from the EC PCB. Caution ! DO NOT attempt to pull up an IC using your fingers.
  • Page 248 Operator’s Guide EC Firmware Removal PB0-AQ To install EC firmware, proceed as follows: Note: EC Firmware is contained on a read only memory IC which is shipped to the user on a Chipstrip™ (or equivalent) pad Caution ! When handling PCBs and ICs, do not touch components or edge connectors or other electrical contacts.
  • Page 249 Appendix B — Firmware Upgrade 1. Note the proper orientation of the EC firmware IC in relationship to the socket. The notch in the IC must be oriented to coincide with the notch in the IC socket. 2. Place the electrical fingers of the IC onto the socket, and make sure they are aligned with the electrical receptacles of the socket.

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