Scope Introduction ... 1 Safety Issues / Warnings Caution ... 1 Warranty Information Customer Responsibility Location of Printer... 3 AC Power Line ... 4 Unpacking... 4 Inventory of Components ... 5 Printer Setup Installing the Stacker ... 6 Fuse Configuration ... 7 P.C.
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LCD Display...21 Display Modes ...23 Maintenance / Adjustments Print Head Handling ...29 Print Head Cleaning...30 Print Head Replacement ...31 Print Head Adjustment...32 Registration Sensor Adjustment ...33 Stock out Adjustment...37 Knife Square Adjustment...37 Stacker Adjustments ...38 Stock Feed Adjustment...38 Mechanical Adjustment Of Feed Roller Pressure (Blue Roller)...39 Mechanical Adjustment of Stock Sense - Mark Light Receiver...39 Electrical Connections Machine Wiring ...41...
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Assembly Drawings Unwind Assembly Drawing ... 72 Unwind Parts List ... 73 Web Guide / Light Bar Assembly Drawing... 74 Web Guide / Light Bar Parts List ... 75 Drive Assembly Drawing ... 76 Drive Parts List... 77 Printhead Assembly Drawing ... 78 Printhead Parts List...
We at PAXAR hope that you will come to appreciate the efforts and quality which have gone into producing your PAXAR 656 / 636 Printer and wish to remind you that you are our number one priority. We welcome any constructive comments or criticisms so that we may continue to offer you the best printer in the industry for years to come.
Warranty Information Limited Warranty PAXAR Systems Group, Division of PAXAR Corporation, extends the following warranties to the original purchaser of a PAXAR 656 / 636 which has been installed and operated using recommended procedures and operating conditions. Parts Parts found defective in material or workmanship will be replaced at no charge for a period of six months following the machine's shipment date.
30" deep to 32" high. Refer to Figure 1a. The location of the PAXAR 656 / 636 printer should be based on human factors. The printer should be located in an area which maintains optimum flow of your product while providing for the operator’s comfort.
AC Power Line PAXAR requires that the electric service be 10 Amps @ 110VAC or 10 Amps @ 220VAC. This will allow the computer and any additional support or service equipment to be plugged into the same service. Any electrical service which is supplying a PAXAR printer or peripheral equipment connected to a PAXAR printer should follow standard electrical code practices including proper grounding and neutral requirements.
Inventory of Components The following list shows the additional parts (pieces) which should be included in your PAXAR 656 / 636 shipping container. If anything is missing, notify PAXAR immediately - in the U.S.A. at 570-888-9116. In other countries please contact your local PAXAR supplier.
Swing open the top cover to the printer. Locate the large knob and two round pins on the right hand side of the printer. Loosen the knob enough to allow the stacker to slide between the printer housing and the knob. The stacker will rest on the two pins.
Fuse Configuration The main fuse(s) on the Paxar 656 / 636 are located inside the AC power entry receptacle. The entry has a fuse drawer that holds the fuse(s) and selects the appropriate line voltage. If the number in the window DOES NOT match the AC line intended to be supplied to the printer, DO NOT plug the power cord in.
It is the customers responsibility to have the plug and alteration work done by a certified electrician. Paxar supplies printers to many countries with many variations. Therefore we leave this to the customer to make the proper selection for their country.
Installing the PC Interface Cable The 656 / 636 requires a 9-pin RS232 cable. This cable is provided with the printer. If the cable was not found it can be order from PAXAR (Part no. 351124). The male end of the cable should be connected to the 9-pin D-shell female connector that is located on the right side of the printer.
Product Description Printer Description The PAXAR MODEL 656 / 636 THERMAL PRINTER (Figure 2) is an electronic printer that can print on Fabric Tapes, Card Stock, Heat Seal Stock and Pressure Sensitive roll stocks. This printer interfaces to a computer or a main frame system that allows the customer to print computer input or even design a label with PAXAR’S PCMate Plus's "FORMATTER"...
Personal Computer that is connected to the PAXAR 656 / 636 Printer. The PAXAR 656 / 636 Printer uses a DOS Version of PCMate or a Windows version of “PcMate Plus / Formatter ”. These applications create the tag or label formats (layouts) then fill and transfer data to the printer through the serial port of the computer.
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Control Push-button printer function with 2 Line x 24 Character International LCD Backlit Display Panel 16.0" (406.4 mm) high x 27" (685.8 mm) wide Dimensions including stacker x 18.5" (469.9mm) deep Weight 57 Lbs. ( 26Kg.) Electrical 90-132 / 180-265 VAC 50-60Hz 10Amp Switch selectable Temperature 41°F (5°C) to 104°F (40°C)
The ink ribbon comes pre-packaged in a plastic bag. For best results, leave the ink ribbon wrapped in this bag until you are ready to use it in the printer. Use the procedure and diagram below for loading the ink.
Set the stock roll core over the outboard guide and slide the roll to the back guide. Move the outboard stock guide in until it contacts the stock roll. stock. Pull off about 2 feet (.5 m) of stock to thread it through the printer. any surface.
This has been located to control the edge of the stock to the first dot on the print head. This location is critical to Paxar's Formatter software. Do not adjust this guide with out consulting a Paxar service engineer.
Later in the manual, under separate heading, cleaning and replacement will be covered. The print head has an interlock switch that prevents the printer from running with the head in the open position. If the head is open the display will read GUARD OPEN.
- Stock moves through in one continuos strip - Stock moves through without printing - Ink will not advance, ink save on the 656 / 636 will automatically be activated. - The print head must latched in the down position.
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- The ink will advance with the stock. - The print head must be latched in the down position. - The stop button will stop the printer at the end of the current label being printed. Users Manual Model 656/636...
Indicator Lights The Paxar 656 / 636 has three Indicator lights. These lights are used along with the LCD display to tell the operator the current status of the printer. On Line Sensor Error Users Manual Model 656/636 - Has not been powered on.
Front Panel Menu Functions Ready For Batches Print Reports Setup Life Counts Protected Features Last Verifier Scan Print Position Label Counter Set Date / Time Verifier History Cut Position Total Labels Change Password Verifier Setup Cutter Enable / Total Inches Change Language Disable Clear Verifier Scan...
LCD Display The LCD display is a 2 line, 24 character, with back lighting feature for easy readability. The first line of the display in most cases will be a prompt or question. the second line is the response. Diagnostic Tests During power up the following tests and screens will be displayed.
PCL001 000000010 When the printer is powered up and all initializations are complete, and if there are no Batches to print, the HOME screen will be “READY FOR BATCHES" and the A.T. code version number (IMAGER VXX.XX) will be displayed.
PRINT LAST VERIFIER SCAN This is the first screen under Reporting features. This screen will appear if a verifier is connected to the printer. This screen allows the user to print the last scan report. Prints the failure cause for the last bad barcode scan.
PRINT VERIFIER SETUP This screen follows the PRINT VERIFIER HISTORY REPORT screen if a verifier is connected to the printer. This screen allows the user to print a verifier report containing verifier setup information. Prints a report of all verifier current settings.
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Formats designed for the 656 / 636 can not be printed on the older printers, but formats designed for the older printers emulated by the 656 / 636 can be printed on the 656 / 636 printer.
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• The 650 printer is center justified, meaning the web is centered under the printhead. The 656 / 636 is a back justified printer, meaning the web is to the back of the printer. This will not cause a discrepancy unless the web of the stock does not match the web defined in the format.
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Use the Enter ↵ key to enter this mode. Protected Mode Use the Mode ↓ key to move to the following screen. Use the Enter ↵ key to enter this mode. The Protected Feature screen will appear as shown. Use the <YES key to decrease the number and the > NO key to increase the number.
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28 • Control Panel Operation If password is correct, the Mode ↓ key will go to the next screen. CHANGE DATE/TIME 01/04/95 08:55 AM Use the < YES / >NO buttons to increment through numbers. All 10 digits can be changed and also the A will toggle between A and P. The date is always in the MONTH / DAY / YEAR format and the time is always in the 12 hr AM / PM format.
- All print heads should be kept in original anti-static bags until they are placed in the machine. - The 656 / 636 printer is supplied with an anti-static wrist strap. Locate the strap - it must be worn at all times when handling the print heads.
RECOMMEND PAXAR "MASTER CLEANING KIT" # 921338 good cleaning of the print head after eight to twelve hours of continuous usage should be done. This cleaning must be done with the print head in the printer. and card dust build-up.
9) Replace the two print head lock screws. Be sure that the head is resting flat on 10) Replace the print head assembly in the printer, making sure that the pin at the 11) Reconnect the print head cable, making sure that the connector is seated tightly.
If readjustment is required, proceed as follows: Power on the printer. Remove the ink and card stock from the printer. With the print head open, turn the pressure screw counterclockwise until it does not contact the printhead mount plate, it should slide freely back and forth.
To adjust the tangent point loosen the two print head lock screws one half turn with a 2.5mm ball driver provided in your spare parts kit. Do not remove the print head from the printer. Once the screws have been loosened, use the adjustment thumb screw to move the head forward and backwards.
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Sensor Trim Pots Your 656 / 636 printer is equipped with several sensors used to detect the status of the printer and its supplies. While these sensors are calibrated at the time your printer is manufactured, there may be times when re-calibration is required. Re calibration times are indicated in the troubleshooting section.
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There are two areas that can be adjusted to correct the voltage readings. The upper sensor square bar may be loosened from the back of the printer and rotated. The second adjustment is to loosen the light bar mount screws and move the bar in the web direction. When the light bar screws are retightened be careful not to over tighten and brake the light bar PC board.
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Film Out Sensor / Top Ink Sensor The Film Out Sensor allows the printer to monitor the availability of ink. Begin by blocking the sensor with the ink intended for use and adjust the pot until the high value is achieved. Then remove the ink from the sensor and adjust until the low level is met.
With a full roll of stock loaded in the machine, run the printer and observe how far behind the stock (to the left of the stock) the stock out wire rod is located. This should be between 1/4 and 1/2 inch (6 to 12mm) behind the running stock.
Re tighten. Stacker Full Adjustment The sensor on the inboard stack up right is used to stop the printer when the stack is full. A thumb screw adjustment is provided to set the stack height. Warning, some stock materials can not be stacked to the full height of the stacker because of excessive weight.
1/2 - 3/4 of a turn. Close pressure lever. stock to run 31/32" (24.6mm) from upright frame. touch outer edge of stock. adjustment forward and back can be accomplished when printer is electrically activated.) Maintenance / Adjustments • 39...
Electrical Connections Machine Wiring Orange Orange Orange Black Orange Gray Orange Orange THERMAL CONTROL BOARD Brown Brown Gray Brown HEAD DRIVER BOARD Power REAR VIEW OF 656 Electrical Connections • 41 Users Manual Model 656/636...
Motherboard Power Connectors The power supply connector on any PC / XT or PC / AT compatible motherboard is made up of dual six-pin male connectors. Two female connectors from the power supply plug directly onto these male connectors. The following diagrams illustrates the proper method of attaching the connectors.
Electrical Trouble Shooting Power Up / Sign On / Communications Problem Machine fails to power up with no light present in the AC power switch. Machine fails to power up with light present in the AC power switch. Front panel displays no text or nothing at all.
"Ready for batches". Re download data. 3) In PCMate change to the printer the data is intended to be sent. 4) Re configure PCMate for Paxar PCL printer as per your PCMate manual. 5) Replace Thermal Control Board.
"Mechanical Adjustment Of Feed Roller Pressure". 6) With power off check that all rollers turn freely. 7) With the print head and feed open check that the stock will pull through the printer with little to no resistance. Electrical Trouble Shooting • 47...
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Thermal Control Board. 5) With power off check that all rollers and arbors turn freely. 6) With the print head open check that the ink will pull through the printer with little to no resistance. Users Manual Model 656/636...
Print Problem Machine advances stock but does not print. Machine stops after ever third label. Print registration is off in the feed direction. Users Manual Model 656/636 Probable Cause 1) Stock registration sensor miss aligned. 2) Miss adjusted print head position. 3) Miss adjusted print head pressure.
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Problem Print registration is off in the web direction. Print contrast is too light or dark. Voids in print image in the feed direction. Machine continually stops with an erroneous interlock condition. 50 • Electrical Trouble Shooting Probable Cause 1) Machine incorrectly threaded. 2) Web guides incorrectly adjusted.
Cut / Stack Problem Machine fails to cut labels (the rotary knife does not rotate). The stacker fails to run. Users Manual Model 656/636 Probable Cause 1) The cut is disabled in the setup menu. 2) Knife cable unconnected. 3) Knife jammed causing auto resetting fuse to trip on the Thermal Control Board.
If the printer is mechanically operable, proceed as follows: 1) Power off the printer, remove the media and ink and thoroughly clean it from the 2) Load a full roll of an average width media and ink on the printer.
Mechanical Trouble Shooting Stock Problem Stock will not roll or jumps Machine fails to stop at end of roll. Stock does not pull smoothly through printhead module. Users Manual Model 656/636 Probable Cause 1) Incorrect adjustment of unwind web guides 1) Incorrect adjustment of stock-out switch trigger arm.
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Problem Cracks or craze marks appear on face of finished labels. Stock jams in bridge blade rollers or knife area. Will not stack. Knife will not cut or partial cut 54 • Mechanical Trouble Shooting Probable Cause 1) Incorrect adjustment of decurler. 1) Knife mounted bridge blade too close to stationary bridge blade.
Lock slide rewind core toward rear of printer until it just contacts plate. 3) Clean with alcohol. 4) Use an ink width no wider than stock being printed.
Print Problem Poor print - uneven or no print (mechanical). Also see electrical trouble shooting. 56 • Mechanical Trouble Shooting Probable Cause 1) Incorrect printhead pressure adjustment. 2) Broken ink. 3) Ink not rewinding. Corrective Action 1) Remove stock and ink. Close printhead.
Knife Problem Double Cuts, extra knife cycle Skips cut, double length label Noisy Rattle when not cutting but motor turning Users Manual Model 656/636 Probable Cause 1) Solenoid sticking in 2) Worn Trip Arm on Clutch actuator. 3) Worn Stop roll pin on clutch 1) Solenoid did not pull in 2) Trip arm sticking on clutch roll pin.
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Problem Knife stops during cut in stock Slight Long and Short Tags Stock popping in front of knife Knife does not cycle Continuous Knife cycling 58 • Mechanical Trouble Shooting Probable Cause 1) Check life of blades 2) Clean cams and lubricate 3) Clutch worn out and can’t stay engaged 1) Sticking Solenoid...
The one exception is the rub cams on either end of the rotary knife. Periodic cleaning of the printer and removal of dust will greatly enhance the length of the time the printer will function.
Appendix A Error Messages On the Machine's detection of errors/error, the displays will show the first error encountered and allow the displaying of any other errors with the "<" and ">" keys, which "Scroll" through additional errors if any. ERROR SCREENS: The screen advances to next error with each depression of the ">"...
Appendix B Software Upgrade Chip Placement Positions Thermal Control Board P/N 351105 (Use chip removal tool p/n. 351156 for square I.C.'s) THERMAL CONTROL BOARD, Upgradeable software I.C.'s include U16 and U53. Align angled corners of chip with socket and arrow denotes pin #1 or dimple on chip. Users Manual Model 656/636 Appendix B •...
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Diskless Rom Board P/N 281164 DISKLESS ROM BOARD, Upgradeable software I.C.'s include U12, U16, and U20. Position new I.C.'s in same orientation as pictured above. SWITCH POSITIONS, Head Driver Board P/N 351106 (Use chip removal tool p/n. 351156 for square I.C.'s) HEAD DRIVER BOARD, Upgradeable software I.C.'s include U1, U2, U8, and U18.
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Align angled corners of chip with socket and arrow denotes pin #1 or dimple on chip. Front Panel Board P/N 351108 (Use chip removal tool p/n. 351156 for square I.C.'s) FRONT PANEL BOARD, Upgradeable software for FPNL x.x Align angled corners of chip with socket and arrow denotes pin #1 or dimple on chip. Appendix B •...
Appendix D Knife MFG Guideline Solenoid Trigger Setting +.000 -.020 1. After the clutch and actuator is mounted to the knife, attach the solenoid assembly to the inside support using two 6-32 x 3/8 cap screws, flat washers, and lock washers. Make sure the plunger moves freely and does not bind.
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• Torsion Spring should be at an angle of 60±2°. Lay the spring over the drawing below to see if the spring is made properly. • Plunger pins should be centered on shaft. If either pin is loose DO NOT use the plunger. The pins should be checked before installing.
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• There should be a .010-.020 gap (for roller clutch only) between the two clutch pieces. • (Test on the solenoid test box.) The knife must cut both fabric and card stock. The solenoid should operate on both the high and low settings. •...
Unwind Parts List Item Users Manual Model 656/636 Part # Description 353001 Guide, Unwind Rear 353005 Optional Unwind backer plate (not shown) 353002 Bracket, Unwind 353003 Guide, Unwind Front 990089 10:32 x 1/4 Button Head 990170 5/16:18 x 3/4 Cap Screw 990277 5/16”...
Web Guide / Light Bar Parts List Item Users Manual Model 656/636 Part # Description 188008 T-Nut 351120 Light Bar Harnessed 354006 Bracket, Web Guide Sensor 354003 Web Guide Outer 354001 Plate, Web Guide Mount 928012 Spring 990066 8:32 x 1/4 Button Head 990091 10:32 x 1/2 Button Head 990438 1:72 x .188 Cap Screw Assembly Drawings •...
Feed & Ink Drive Parts List Item Users Manual Model 656/636 Part # Description 990111 10-32 x ¾” Flat Head Screw 356106 Offset Plate 990451 1 9/16 Stand-Off 351141 Ink Motor 245026 Feed Motor 990081 10-32 x ½” Cap Screw 194023 1 3/8 Stand-Off 284025 14 Tooth Pulley 356109 Ink Timing Belt (85 Tooth)
Timing Belt Parts List Item Part Number 356109 356111 356195 356110 356026 Users Manual Model 656/636 Description 85T Timing Belt Double Sided (First 100 units only) 65T Timing Belt Double Sided (101 +) 20T Idler Pulley w/ Bronze Bushing (First 100 units only) 60T Timing Belt (300dpi) 57T Timing Belt (240dpi) Not Shown...
Ink Turn Roller Parts List Item Part Number 376086 990416 356105 990121 354090 Users Manual Model 656/636 Qty Description Turn Bar Assembly ¼-20 x ¼” Flat Head Turn Bar Bracket ¼-20 x 5/8” Cap Screw 636/656 Feed Assembly (Only inner support bracket shown) Assembly Drawings •...
Stacker Parts List Item Part Description Number 144034 Feed Lock Knob 184002 Thumb Screw Lock 188008 Stacker T-Nut 358023 Knob Assembly 247035 Drive Pulley 351160 Full Stacker Switch Harness 351161 Stacker Motor Harnessed 358001 Stacker Support 358091 Stacker Base Assembly 358004 Stacker Lock 358006...
Rewind Parts List Item Part Description Number 112033 Shaft, 6x6 rewind 112035 Key, 1/8 x 1/8 x 3/8 923009 10" roll disc 111032 Rubber feet 990054 8:32 x 1 cap screw 111029 Base 990374 1/2" collar 112028 Driven disc 112032 Friction disc 112030 Drive disc...
Stock Out Sensor Parts List Item Part Qty Description Number 191120 Stock Out Micro Switch 351145 Mount Stock Out Switch 331149 Shaft Stock Out Switch 351150 Arm Stock Out Switch 351151 Rod Actuator Stock out 989973 4-40 x .50 Cap Screw 990024 6-32 x .125 Set Screw 990255...
4.25” Stacker Specifications • 4.25” Web x 1 ¾” Feed • Will work on 636, 656 & 676 • Old machines may require the knife strut to be replaced with one that has a mount hole – Part number 355018. •...
Optional 4.25” Pick-up Parts List Item Part # Description 378286 Base Plate Assy 378287 Pressure Roller Assy 378208 Roller Center Drive 378213 Pick-Up Roller 378211 Roller Idler 378204 Sensor Mount Upper 378131 Side Frame Rear Stacker 378119 Side Frame Near Stacker 378129 Support Pick-Up Roller 378207...
Optional 4.25” Stacker Parts List Item Part # Description 378205 Plate Stacker Support 378288 Rear Side Frame Assy 378289 Front Side Frame Assy 378212 Drive Roller 378214 Drive Shaft 378130 Rail Slide Bracket 378209 Mount Stacker Rail 378210 Base Stacker Rail 38215 Stacker Upright Front 378035...
Optional Down Stacker Parts List (Part 1) Item Part # Description 168089 Rear Stacker Frame Assembly 168088 Front Stacker Frame Assembly 168026 Mounting Bracket 168002 Post Spacer 168025 Main Drive Roller 168024 Pick-Up Roller 168017 Roller Bracket Support 168087 Pressure Roller Assembly 168029 Plate Motor Mount 351161 Stacker Motor Harnessed 168021 Sensor Mount Lower...
Optional Down Stacker Parts List (Part 2) Item Part # Description 168031 Rear Support Stacker 168086 Front Stacker Support Assy 168018 Guide Label 168027 Platform Slide 168033 Platform Slide Plate 168014 Post Stacker Mount 188008 “T” Nut 990103 #10 Hex Nut 990072 8-32 Flat Hd.