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L800/L801

Revision A

Adjustment

Using the Adjustment Program

81

Confidential

2.2.6 PG Adjustment

Described below is the platen gap (PG) adjustment.

¸

Purpose:
Adjust the distance between the head surface and the Paper Guide Front Assy
(platen) properly and adjust the parallelism on the 0th column side and on the 80th
columns side to ensure reliable print quality.
Once the Carriage Assy and/or Adjustment Bushes have been removed or
whenever necessary for any other reason, make this adjustment to correct the
deviation of the platen gap.

¸

Things to be used

̈

Thickness gauge:

1.15 mm (x2)
1.3 mm (x2)

̈

Phillips screwdriver

Figure 2-8. PG Position at PG Adjustment

Table 2-5. PG Positions

Position

PG Size

(mm)

Application for Printing

(selected from PG flag list for

normal/head rubbing)

Sequence

Application

PG-
<APG Home>

1.2

EPSON special thick paper
PGPP, Postcards, Matte, etc.

Cleaning

CR measurement,
VH detection

CR home position
seek

PG typ.
<Mechanical
default>

1.7

Plain paper

EPSON special thin paper, SF, etc.

Rubbing with PG1.2 is avoided

PG+

2.35

Envelopes

Rubbing with PG1.2 and 1.7 is avoided

PG++

4.2

CD-R printing

At ink replacement

C A U T I O N

̈

The thickness gauge to be used must be free from dust and dirt
and from deformation. Be sure to clean it before use.

̈

Take care that the Print Head is not soiled or scratched.

̈

To ensure high accuracy of adjustment, install the Adapters in
the carriage, and move the carriage right and left by pulling the
belt without holding the carriage.

C H E C K

P O I N T

̈

Make this adjustment after installing the Printer Mechanism
and CISS section. (Install the Linear Scale after adjustment.)
Refer to

“1.2.2 Disassembly Flowchart”

(p.18)

.

̈

With L800/L801, four stages of PG setting are available by
means of the APG Mechanism. However, make this adjustment
with the mechanism in the minimum PG position (PG-: 1.2
mm). (Refer to

“1.5.4 APG Unit”

(p.41)

and below.)

Locating hole

Locating hole

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80
81
82
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84
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Содержание L800

Страница 1: ...л чит т нич ю н льт цию гл т чн Б з вы дны www sotmarket ru д бн я инф м ция т в тзывы бз ы и ы Инструкция для Epson L800 Перейти в карточку товара 8 800 775 98 98 ...

Страница 2: ...L800 L801 Color Inkjet Printer SEMF10 008 SERVICE MANUAL Confidential ...

Страница 3: ...SEIKO EPSON would greatly appreciate being informed of them The contents of this manual are subject to change without notice The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION Note Other product names used herein are for identification purpose only and m...

Страница 4: ...power source causes high voltage in the power supply unit and some electronic components even if the product power switch is off If you need to perform the work with the power cable connected to a power source use extreme caution to avoid electrical shock WARNING Strictly observe the following cautions Failure to comply may lead to personal injury or loss of life 1 Always wear protective goggles f...

Страница 5: ...nk charge 7 Never touch the ink or wasted ink with bare hands If ink comes into contact with your skin wash it off with soap and water immediately If you have a skin irritation consult a doctor immediately 8 When disassembling or assembling this product make sure to wear gloves to avoid injuries from metal parts with sharp edges 9 Use only recommended tools for disassembling assembling or adjustin...

Страница 6: ...l information on a specific topic or to warn of possible danger present during a procedure or an action Pay attention to all symbols when they are used and always read explanation thoroughly and follow the instructions Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in serious injury or loss of life Indicates an operating or maintena...

Страница 7: ...Confidential Revision Status Revision Date of Issue Description A April 6 2011 First Release ...

Страница 8: ...kers CDR Guide Sensor 44 1 5 8 Ink System 45 1 5 9 EJ Frame Assy 46 1 5 10 PF Encoder PF Scale 49 1 5 11 PF Motor 49 1 5 12 CR Motor 50 1 5 13 CR Unit 52 1 5 14 ASF Unit 54 1 5 15 Upper Paper Guide 56 1 5 16 APG Sensor Assy 57 1 5 17 Front Paper Guide Assy 57 1 5 18 CDR Tray Sensor 60 1 6 Disassembling the CISS section 61 1 6 1 Refilling Ink Label Valve Position Label 61 1 6 2 Top Cover 61 1 6 3 T...

Страница 9: ...verview 83 2 3 2 Adjustment Procedure 85 Chapter 3 Maintenance 3 1 Overview 89 3 1 1 Cleaning 89 3 1 2 Service Maintenance 89 3 1 3 Lubrication 90 Chapter 4 Appendix 4 1 Power On Sequence 97 4 2 Standard Operation Time for servicing the product 99 4 3 Troubleshooting 102 4 3 1 Troubleshooting Workflow 102 4 3 2 Fatal Error Code 104 ...

Страница 10: ...Confidential C H A P T E R 1 DISASSEMBLY REASSEMBLY ...

Страница 11: ...er sealing film attached on the Ink Supply Tank Assy of this printer is ventilation film The ink in the ink tanks is vented to atmosphere through this film to keep ink supply to the Printhead stable If the film gets wet with ink the ink in the tanks is not properly vented and printing may not be capable In order to prevent this from occurring make sure to place the Ink Supply Tank Assy as shown be...

Страница 12: ...he Joint A Ink Supply Tank Assy Removing the tubes of the Ink Supply Tank Tube Assy from the Joint Removing the tubes of the Ink Supply Tank Tube Assy from the Ink Supply Tank Assy A B Ink Supply Tank Tube Assy w Valve Assy Adapter Removing the Ink Supply Tube Assy from the Adapter C Ink Supply Tube Assy Removing the Ink Supply Tank Tube Assy Ink Supply Tube Assy from the Joint Removing the Ink Su...

Страница 13: ... a place where its bottom is higher than the top of the Printhead 3 Prepare a container for ink to discharge then disconnect the Ink Supply Tube from the joint and put its tip into the container for the ink 4 Open the choke valve to discharge the ink in the Ink Supply Tank Assy to the container Figure 1 5 Discharging Ink 1 C H E C K P O I N T The Adapter has an ink valve which cuts off the ink pat...

Страница 14: ...or back to the joint Figure 1 6 Discharging Ink 2 10 Repeat Step 3 to Step 10 for all ink tanks to discharge all ink in the Ink Supply Tank Injector tip of φ 3 2 mm Tube Joint C H E C K P O I N T It is recommended that the ink in the Ink Supply Tank should be discharged completely before proceeding to disassembling reassembling After all the reassembling work is complete the discharged ink of each...

Страница 15: ...firm that the CR Unit is locked in the home position 2 Attach the unfolded end of strong tape fold the other end back 10 mm on the bottom left of the Adapter Cover 3 Pull the tape to the right side of the housing and attach it tightly Figure 1 8 Securing the CR Unit Securing the Ink Tank Secure both sides of the Top Cover with strong tape x2 Align the unfolded end of strong tape x5 with the edge o...

Страница 16: ...al wire piece Figure 1 10 Making Special Tool for Holder Contact 1 2 Bend the metal wire as shown below Figure 1 11 Making Special Tool for Holder Contact 2 The Valve Lever is on the position shown below the Choke Valve is closed See Figure 1 3 All the caps of the Ink Supply Tank Assy are securely closed The hooks x2 of the Ink Supply Tank Assy are securely engaged with the Housing Upper Assy The ...

Страница 17: ...riage to other than its home position Power the printer and turn it off forcedly by disconnecting the power cable when the CR Unit is unlocked and moved away from the home position Turn the EJ Roller gear on the left side of the printer in the direction of the arrow until the carriage is unlocked Figure 1 13 How to Unlock the Carriage Left Side Right home Side Rear Side Front Side C A U T I O N Be...

Страница 18: ...itably broken in the disassembling procedure and should be replaced with a new one for reassembly Indicates the parts that may cause the ink spill when they are removed 1 1 2 Checks and Precautions before Disassembling p10 Indicates necessary check items in the disassembling reassembling procedure Indicates the reference page in blue letter Indicates supplementary explanation for disassembly is gi...

Страница 19: ...per Assy p25 Screw type torque list Symbol Screw type Torque C B P 2 6X8 3 5 4 5kgf cm C B P 2 6X8 3 5kgf cm C B P 3X10 3 5kgf cm C B P 3X10 5 7kgf cm C B P 3X6 3 5kgf cm C B P 3X8 5 7kgf cm C B P P2 3X8 5 7kgf cm C B S 3X6 5 7kgf cm C B S P2 3X8 6 8kgf cm C B S P4 3X6 7 9kgf cm C B S P4 3X6 9 11kgf cm C B S 3X10 4 6kgf cm C B S 3X6 4 6kgf cm C B S 3X6 5 7kgf cm C B S 3X6 7 9kgf cm C P 3X4 3 5kgf ...

Страница 20: ...m C P 3X6 3 5kgf cm C P 3X6 4 6kgf cm S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 Decoration Belt Left Panel Cover Housing Panel Assy Panel Board 1 Panel Shield Plate 2 S3 Panel Cover Assy 2 S3 Compression Spring 0 97 Compression Spring 2 25 Combination Gear 12 8 27 Combination Gear 14 22 Spur Gear 33 6 Spur Gear 28 8 Bottom Cover Tube Valve Holder Front p 62 Right Cover 7 p 63 ...

Страница 21: ...apter Cover Ink Supply Tank Assy p 64 p 69 Ink Supply Tank Tube Assy p 64 p 69 Top Cover Tube Valve Holder Front Ink Supply Tank p 64 p 69 Tube Holder 1 1 S6 Upper Shield Plate M B 7 S14 S18 Shield Plate M B Sub 2 S13 Main Board 1 S12 PF Encoder 1 S1 PF Scale Ink Supply Tank Assy Cover Ink Tube Photo Interrupter 2 APG Sensor Assy 2 B Main Board Unit 3 S7 S15 1 4 1 Main Board Unit p27 1 5 16 APG Se...

Страница 22: ...ng Lower Assy Printer Mechanism 5 4 p 35 p 69 S6 Cover Case 1 p 65 S6 C 4 4 1 5 7 Left Right Guide Stackers CDR Guide Sensor p44 Driven Pulley 1 5 12 CR Motor p50 D Screw type torque list Symbol Screw type Torque C B P 2 6X8 3 5 4 5kgf cm C B P 2 6X8 3 5kgf cm C B P 3X10 3 5kgf cm C B P 3X10 5 7kgf cm C B P 3X6 3 5kgf cm C B P 3X8 5 7kgf cm C B P P2 3X8 5 7kgf cm C B S 3X6 5 7kgf cm C B S P2 3X8 6...

Страница 23: ...stem 2 S15 D 5 6 Front Frame Cable Holder Frame Tube Guide E CR Scale Driven Pulley Assy Extension Spring APG Unit Printhead 1 5 8 Ink System p45 1 5 9 EJ Frame Assy p46 1 5 13 CR Unit p52 Screw type torque list Symbol Screw type Torque C B P 2 6X8 3 5 4 5kgf cm C B P 2 6X8 3 5kgf cm C B P 3X10 3 5kgf cm C B P 3X10 5 7kgf cm C B P 3X6 3 5kgf cm C B P 3X8 5 7kgf cm C B P P2 3X8 5 7kgf cm C B S 3X6 ...

Страница 24: ...n Spring 2 Front Paper Guide Assy 2 1 S9 S15 EJ Ground Spring 3 E 1 5 17 Front Paper Guide Assy p57 5 6 1 5 14 ASF Unit p54 Screw type torque list Symbol Screw type Torque C B P 2 6X8 3 5 4 5kgf cm C B P 2 6X8 3 5kgf cm C B P 3X10 3 5kgf cm C B P 3X10 5 7kgf cm C B P 3X6 3 5kgf cm C B P 3X8 5 7kgf cm C B P P2 3X8 5 7kgf cm C B S 3X6 5 7kgf cm C B S P2 3X8 6 8kgf cm C B S P4 3X6 7 9kgf cm C B S P4 ...

Страница 25: ...ort Assy disengaging the left shaft preventing the Edge Guide projection from hitting against the other parts Figure 1 16 Removing the Paper Support Assy Printer Cover Shaft right Shaft left When reinstalling the Paper Support Assy match the projection and hole of the Edge Guide then attach the right shaft and the left shaft in that order Put the shafts at the front side in the bushing and then pu...

Страница 26: ...dure 1 Remove the four screws and remove the Upper Housing upward Screw C B P M3x10 tightening torque 5 7 kgf cm The numbers shown in the figure indicate the order of tightening the screws Figure 1 20 Removing the Upper Housing When installing the Stacker Assy insert the guide pins of the Stacker Assy into the lower grooves of the Guide Stacker Assy The upper grooves are used when CDR is printed F...

Страница 27: ...r Housing be careful of the following Do not pinch the cables Tighten the screws in the order given in Fig 1 20 p 25 Match the ribs of the Upper Housing shown in Fig 1 20 p 25 with the grooves of the Housing Lower As shown in Fig 1 22 match the A part of the Front Housing with the screw box of the Housing Lower Figure 1 22 Installing Upper Housing Rear Side Ribs Front Housing Grooves Front Housing...

Страница 28: ...nit Power Supply Cable CR Motor Cable PF Motor Cable PE Motor Cable APG Sensor Cable Figure 1 24 Removing the Main Board Unit 1 Table 1 3 List of Connectors and their Destinations CN No Color Destination Number of pins CN3 White P S Assy 3pin CN4 White CDR Guide Sensor CDR Tray Sensor 4pin CN5 FFC Panel Board 8pin CN6 White PE Sensor 3pin CN7 Black APG Sensor 3pin CN8 FFC PF Encoder 5pin CN10 FFC ...

Страница 29: ...tioning hole of the Cable Holder Frame as shown in Fig 1 25 Tighten the screws in the order given in Fig 1 25 Rib 3 Left Side Main Board Unit 1 2 Positioning Holes and Guide Pins Upper Side After connecting the cables secure them with acetate tape following the procedures below 1 Route the Power Supply Cable closely along the Lower Shield Plate M B and secure the cable with acetate tapes at the po...

Страница 30: ...screw and remove the Main Board Unit Screw C B S M3x10 tightening torque 4 6 kgf cm Figure 1 28 Removing the Main Board C A U T I O N Do not apply unnecessary force on the screw receiving parts of the Lower Shield Plate M B as they are easy to deform When assembling or disassembling the Upper Shield Plate M B be careful of its sharp edges Screw Receiving Part 3 Upper Shield Plate M B 2 5 1 6 4 7 L...

Страница 31: ...e the CDR Sensor Cable from the Cover Open Sensor Cable Figure 1 29 Removing the Panel Assy 1 5 Remove the two screws Screw 3 pcs C B P M3x6 tightening torque 5 7 kgf cm Screw 3 pcs C B P M3x10 tightening torque 5 7 kgf cm 6 From the bottom of the Printer insert a flathead screwdriver into the hole to disengage the tab and remove the Panel Assy Figure 1 30 Removing the Panel Assy 2 Cover Open Sens...

Страница 32: ...aces its black side upward Cover Open Sensor cable faces its gray side upward 4 Route the cables through the two hooks of the Cable Holder Frame aligning the center of the tapes with the hooks Figure 1 31 Routing the Cables Upper Side CDR Sensor Cable Lower Side Cover Open Sensor Cable Hook A B Ref Line Do not route the Panel FFC over the screw of the Cable Holder Frame Fold the Panel FFC along th...

Страница 33: ...Panel Shield Plate from the Panel Unit Screw C B P M3x10 tightening torque 3 5 kgf cm Figure 1 35 Removing the Panel Board Buttons 2 6 Disengage the hook on the back of the Panel Board and remove the Panel Board Figure 1 36 Removing the Panel Board Buttons 3 7 Release the three hooks and remove the PS button the Ink button and the Paper button from the Housing Panel B 8 Slide the Lens of the PS bu...

Страница 34: ...hook and guide pins with the positioning holes shown in Fig 1 38 and insert the Panel Shield Plate into the groove of the Open Sensor Holder to secure the Panel Shield Plate Figure 1 38 Installing the Panel Unit Attach the Panel FFC with double sided tape along with the reference line shown in Fig 1 35 p 32 When installing the Panel Board match the guide pin with the positioning hole shown in Fig ...

Страница 35: ...ve the P S Assy from the Housing Lower Screw C B P M3x10 tightening torque 5 7 kgf cm Figure 1 40 Removing the P S Assy When installing the P S Assy put the ferrite core into the groove of the Housing Lower and secure it with acetate tape as shown in Fig 1 40 A D J U S T M E N T R E Q U I R E D Whenever the P S Assy is replaced the required adjustment must be carried out Refer to 2 1 2 Required Ad...

Страница 36: ...prevent the frame from deforming Figure 1 41 Printer Mechanism Handling Precaution 1 Sharp Edge C A U T I O N Do not touch the PF Scale with bare hands or damage it If the Printer Mechanism is tilted leftward about 15 the PF Scale hits against the desk surface and can break After removing the Printer Mechanism take extra care to protect the PF Scale Figure 1 42 Printer Mechanism Handling Precautio...

Страница 37: ... 4 Disconnect the connector of the CDR Guide Sensor Figure 1 45 Removing the Printer Mechanism 2 5 Remove the five screws and remove the Printer Mechanism Screw C B P P2 M3x8 tightening torque 5 7 kgf cm The numbers shown in the figure indicate the order of tightening the screws Figure 1 46 Removing the Printer Mechanism 3 CR Motor Cable Waste Ink Tube Waste Ink Tray Waste Ink Tube CDR Guide Senso...

Страница 38: ...ube Match the positioning holes with guide pins two pairs shown in Fig 1 46 p 36 Tighten the screws in the order given in Fig 1 46 p 36 Make sure the Waste Ink Tube or cables are not pinched between the Printer Mechanism and the Housing Lower Route the CDR Guide Sensor Cable through the opening as shown in Fig 1 45 A D J U S T M E N T R E Q U I R E D Whenever the Printer Mechanism is replaced the ...

Страница 39: ... 15 disengage the hook B of the Holder Contact on the right back of the Carriage Unit 6 Slide the Holder Contact upward and remove the Holder Contact Figure 1 51 Removing the Holder Contact 2 Removal Direction Screwdriver Hook Head FFC Cover Inner Hook A Back Side Holder Contact Special Tool C A U T I O N Take extra care not to spill ink and contaminate the surroundings Be extremely careful not to...

Страница 40: ...ng the screws Figure 1 53 Removing the Printhead 1 8 Remove the two Head FFCs from the connectors on the back and remove the Printhead Figure 1 54 Removing the Printhead 2 Printhead 1 2 3 Connectors Printhead Head FFC Tighten the screws in the order given in Fig 1 53 A D J U S T M E N T R E Q U I R E D Whenever the Printhead is removed replaced the required adjustments must be carried out Refer to...

Страница 41: ...d remove the CR Scale from the hook Figure 1 55 Removing the CR Scale C A U T I O N During the disassembly reassembly of the Printer Mechanism take extra care not to touch the CR Scale with bare hands and not to contaminate or scratch it C H E C K P O I N T See the section given below on how to unlock the carriage 1 1 6 How to Unlock the Carriage CR Scale Turn 90 Extension Spring Slit Hook Install...

Страница 42: ...0 15 2 1 2 APG Unit Combination Gear 10 15 2 Lubrication is required See the page given below for the lubrication information Lubrication of APG Unit p 93 Install the APG Unit following the procedure below 1 Put a pin thinner than Ø2mm through the positioning holes of the Main Frame and the right PG Cam on the CR Shaft Figure 1 59 Reinstalling the APG Unit 1 2 Put the pin through the positioning h...

Страница 43: ...he APG Unit 3 4 Check that the hooks are attached to the positioning holes of the Main Frame then screw the APG Unit Figure 1 62 Reinstalling the APG Unit 4 Tighten the screws in the order given in Fig 1 57 p 41 APG Unit Pin Main Frame C A U T I O N When removing the Waste Ink Tray take extra care not to spill ink and contaminate the printer and surroundings A D J U S T M E N T R E Q U I R E D Whe...

Страница 44: ...k Be careful of the seven sharp edges shown in Fig 1 64 when disassembling or reassembling Insert the Waste Ink Pad Lowers into the Housing Lower inserting the slits of the pads over the tabs on the Housing Lower Make sure to push the pads as far as they will go until their top surface locate lower than the top surface of the Housing Lower edges Figure 1 65 Installing the Waste Ink Pad Lower Sharp...

Страница 45: ...ooks on the back of the CDR Guide Sensor and remove the CDR Guide Sensor Figure 1 68 Removing the CDR Guide Sensor C A U T I O N Be careful of the seven sharp edges shown in Fig 1 66 when assembling or reassembling Left Guide Stacker Left Guide Stacker Right Guide Stacker Sharp edge When installing the Left Guide Stacker insert the rib indicated with in Fig 1 67 and match the positioning holes and...

Страница 46: ... Ink System 1 4 Slide the Ink System to the direction of the arrow and disengage the Ink System from the guide pin of the ASF Unit Figure 1 71 Removing the Ink System 2 C A U T I O N Take extra care not to spill ink and contaminate the surroundings Also when removing the Waste Ink Tube be careful not to spill the ink Extra care must be taken to avoid injury from sharp edges of the rib of the Main ...

Страница 47: ...ree hooks of the Front Frame and peel off the double sided tape Figure 1 74 Removing the Head FFC When installing the Ink System be careful of the following Lubrication is required See the page given below for the lubrication information Lubrication of Ink System p 93 Insert the shafts of the Ink System into the positioning holes of the Frame Figure 1 73 Reinstalling the Ink System 1 Tighten the s...

Страница 48: ...Removing the PF Encoder FFC 9 Peel off the acetate tape to release the CDR Sensor Cable and then remove the screws on the right and left sides and remove the Front Frame Screw C B S M3x6 tightening torque 7 9 kgf cm The numbers shown in the figure indicate the order of tightening the screws Figure 1 77 Removing the Front Frame 10 Release the CDR Sensor Cable from the cable guide of the EJ Frame As...

Страница 49: ...screw it after securing the foot of the two EJ Frame Springs to the slits as shown in the figure Carefully handle the EJ Frame as the springs come off easily Figure 1 81 Reinstalling the Front Frame 2 When installing the Cable Holder Frame match the two hooks of the Cable Holder Frame with the positioning holes of the Main Frame and Front Frame as shown in Fig 1 75 p 47 and tighten the screws in t...

Страница 50: ...M3x6 tightening torque 3 5 kgf cm The numbers shown in the figure indicate the order of tightening the screws 3 Slide the PF Motor to pull it out through the cutout and remove the PF Motor Figure 1 83 Removing the PF Motor C A U T I O N Take extra care not to contaminate or scratch the PF Scale Never touch the scale with bare hands When installing the PF Encoder make sure the PF Encoder fits firml...

Страница 51: ...a Phillips screwdriver with a shaft of 13cm or longer is recommended through the hole of the Front Frame remove the two screws and remove the CR Motor Screw C P M3x4 tightening torque 3 5 kgf cm The numbers shown in the figure indicate the order of tightening the screws Figure 1 87 Removing the CR Motor 3 C A U T I O N Take extra care not to contaminate the Timing Belt with grease The belt deterio...

Страница 52: ... CR Motor Cable faces toward you 4 Wrap the CR Motor Cable and PE Sensor Cable with acetate tapes 20 mm at the positions of the hooks 2 3 then secure the center of the acetate tapes with Hooks 2 3 Figure 1 88 Routing the Cable Hook PE Sensor 100mm between both ends of acetate tapes 60mm between both ends of acetate tapes PE Sensor Cable 40 mm from connector to end of acetate tape 2 3 Convex Portio...

Страница 53: ...nd remove the Right PG Cam Figure 1 91 Removing the CR unit 2 6 Hold the CR Unit from the bottom and lift up the CR Shaft release from the bushing in the 1 2 order and remove the CR Unit with the Shaft from the Main Frame Figure 1 92 Removing the CR Unit 3 C A U T I O N Before turning the Parallelism Bushing L mark the scale position of the Parallelism Bushing with a marker And taking extra care n...

Страница 54: ... the APG Unit and install the cam matching its phase with the APG Unit Refer to Reinstalling the APG Unit p 41 When attaching the spring 2 and the washer for the Right PG Cam to the CR Shaft make sure to attach them to the positioning slits on the CR Shaft See Fig 1 91 p 52 When installing the Timing Belt make sure that it is not twisted and the lumpy side comes to the inner side Figure 1 96 Reins...

Страница 55: ...n Spring 137 7 from the LD Roller Guide Figure 1 99 Removing the LD Roller Guide 2 Removing the ASF Unit 1 Release the following cables from the ASF Unit CR Motor Cable PF Motor Cable PE Motor Cable Figure 1 100 Releasing the Cables 2 Remove the two screws on the rear side Screw C B S P4 M3x6 tightening torque 1 7 9 kgf cm 2 9 11 kgf cm The numbers shown in the figure indicate the order of tighten...

Страница 56: ... Change Lever and the two hooks are securely attached Also make sure that there is appropriate space at both the left and right of the Change Lever Tighten the screws in the order given in Fig 1 101 p 54 Install the LD Roller following the procedure below Make sure to apply grease referring to the page given below Lubrication of the ASF Unit p 94 1 Install the LD Roller aligning the arrow on the L...

Страница 57: ...roller Do not touch the roller surface with bare hands as it can adversely affect the print quality Spring Hook Rear Side Upper Paper Guide Removal Direction Press Tip PE Sensor Lever C H E C K P O I N T The figure below is the Upper Paper Guide The two thin shafts indicated with the arrows are likely to break however the Upper Paper Guide does not need to be replaced even if the shafts become bro...

Страница 58: ...moval procedure 1 Remove the screw and remove the Parallelism Bushing L Screw C B S P2 M3x8 tightening torque 6 8 kgf cm Figure 1 108 Removing the Parallelism Bushing L APG Sensor Assy Hook C A U T I O N Do not touch the surface of the rubber roller of the EJ Roller Assy and the coated part of the PF Roller Assy as it can adversely affect the print quality Parallelism Bushing L Front Paper Guide A...

Страница 59: ...r Guide Assy following the steps below 1 Lift part to disengage the left side of the Front Paper Guide Assy 2 Slide the assy leftward little by little to disengage the right side of the assy 3 Remove the Front Paper Guide Assy while releasing its shaft from the cutout of the rib on the left side of the Main Frame Figure 1 111 Removing the Front Paper Guide Assy PE Sensor Cable Connector Front Pape...

Страница 60: ...taching the EJ Ground Spring Be careful not to deform the EJ Ground Spring Left Front Bottom Side Pull out the cable from here CDR Tray Sensor Cable 1 2 Contacts with PF Roller Shaft Long foot of EJ Ground Spring Contacts with Main Frame 4 3 Contacts with EJ Roller shaft 4 Hole Gap 1 Place the four tips of the Front Paper Guide Pad on the Waste Ink Pad Figure 1 114 Installing Front Paper Guide Pad...

Страница 61: ...2 Turn the CDR Tray Sensor 90 degrees in the direction of the arrow to disengage its another hook and pull it out from the hole to remove it together with the CDR Guide Sensor Figure 1 115 Removing the CDR Tray Sensor C A U T I O N Always follow the steps below to remove the CDR Tray Sensor or one of its hooks can be broken 90 degrees Turn Hook CDR Tray Sensor ...

Страница 62: ...Ink Label Valve Position Label 1 6 2 Top Cover Attach the Refilling Ink Label and Valve Position Label according to the standards shown in the figure above 103 mm 67 mm 6 4 mm 7 5 mm 7 5 mm Refilling Ink Label Valve Position Label When attaching the Top Cover Label align it with the markings on the Top Cover as shown in the figure above Marking Marking ...

Страница 63: ... 3 Make sure no Ink Supply Tank Tubes are caught then secure it with the screws x3 in the order shown in the above figure Hook CBP 3X6 3 5kgf cm Valve Case Tube Valve Holder Rear Tube Valve Holder Front Ink Supply Tank Tube 1 2 3 Rib Back side Tube Valve Holder Rear Valve Case Ink Supply Tank Tube Valve Holder Front Positioning Hole Dowel Tube Valve Holder Rear Ink Supply Tank Tube Follow the proc...

Страница 64: ... Assy when disassembling reassembling p 10 The figures above indicate the hooks and ribs that secure the parts Remove the exterior parts of the Ink Supply Tank Assy in the following order 1 Remove the screws x8 of the Bottom Cover and remove the Bottom Cover 2 Remove the Left Cover and Right Cover 3 Remove the Cover Joint Tighten the screws in the order indicated in the figure above Ink Supply Tan...

Страница 65: ...nk Assy is installed on the printer and connect them to the Ink Supply Tank Assy without any twist When connecting the Ink Supply Tank Tubes to the Ink Supply Tank confirm the color indicated on the film of the Ink Supply Tank and take care not to connect them with wrong joints When connecting the Ink Supply Tank Tubes to the Ink Supply Tank insert the tubes to the full and make sure the gaps betw...

Страница 66: ... Cover Case Joint Cutout Be careful not to damage the Cover Case with the edges of the front frame Follow the procedure below when removing the Cover Case 1 Remove the screw x1 2 Lift the Cover Case slightly to release the dowels x2 on the bottom of the Cover Case 3 Rotate the Cover Case in the direction of the arrow 1 to avoid the section A and B of the Cover Case from bumping against the Front F...

Страница 67: ...ping Area Main Frame CBP 3X8 5 7kgf cm PF Scale Cover PF Scale Cover PF Scale Sheet Groove Front Paper Guide Assy Rib Double sided tape attachment position Double sided tape attachment position Section A PF Scale Sheet Refer the figure above and follow the procedure below when attaching the Tube Guide Sheet Sub to the Tube Guide Sheet 1 Insert the section A of the Tube Guide Sheet Sub into the hol...

Страница 68: ... it over as shown in the figure then put a marking on the bottom side of the Ink Supply Tube 70 mm from the Tube Clamp nearest to the Adapter 6 Connect the Ink Supply Tube to the Adapter and install the Adapter to the CR Unit p 68 7 Route the Ink Supply Tubes through the grooves of the CR Unit and align the markings on the Ink Supply Tubes with the edge of the grooves as shown in the figure above ...

Страница 69: ...talling the Adapter Cover to the CR Unit move the CR Unit from side to side while holding the Timing Belt to make sure that the Ink Supply Tube Assy does not apply extra load of the CR Unit movement CBP 3X8 5 7kgf cm CR Unit Adapter Cover Ink Supply Tube Assy Hole Dowel Hook Adapter Cover Tube Guide Sheet Timing Belt Be careful not to damage or peel off the film of the Adapter Use a precision scre...

Страница 70: ...Confidential C H A P T E R 2 ADJUSTMENT ...

Страница 71: ...th a new one and load the EEPROM data to the new board Adjustment Program Initial setting This must be carried out after replacing the main board to apply settings for the target market When this function is performed the upper limit value of the ink tube counter is automatically set With this function the serial number written on the main board can be checked and also writing the serial number to...

Страница 72: ...ne the printout patterns and enter the value for the line that is exactly 5mm away from the paper edge for each of the left right top and bottom PF adjustment Corrects variations in paper feed accuracy when using the Microweave to achieve higher print quality A PF adjustment pattern is printed Examine the printout patterns and select the value for the best pattern The correction value is registere...

Страница 73: ...nk path such as Printhead after replacing them The ink charge can be selected from the charge to Printhead only or the charge through Ink Tube Adapter to Printhead Whether to reflect the discharged ink amount to the waste ink pad counter or not can also be selected as an option Select the range to charge ink and options and then press the execute button to execute the ink charge to the selected ra...

Страница 74: ...n the printer operations The printer information is automatically readout Adjustment Program I C change CL counter Timer CL counter Total print path counter Total print page counter CD R print counter 1st TI received time Latest fatal error code ROM version Ink bottle counter Table 2 3 Additional Functions Additional Functions Purpose Method Outline Tool ...

Страница 75: ...sure to carry out them in the order given in the Priority row Table 2 4 Adjustment Items Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PG adjustment EEPROM data copy Initial setting Head ID input Maintenance counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset Top margin adjustment Head angular adjustment Bi D adjustment First dot position adjustment PW adju...

Страница 76: ...upply Tube Assy Remove O Replace O O Ink Supply Tube Tank Assy Remove O Replace O Adapter Remove O Replace O Ink Supply Tank Remove O Replace O Table 2 4 Adjustment Items Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PG adjustment EEPROM data copy Initial setting Head ID input Maintenance counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset Top margin adjust...

Страница 77: ...8 9 10 11 12 13 14 15 16 17 PG adjustment EEPROM data copy Initial setting Head ID input Maintenance counter Ink charge Initialize PF deterioration offset Disenable PF deterioration offset Top margin adjustment Head angular adjustment Bi D adjustment First dot position adjustment PW adjustment PF adjustment BRS adjustment PFP adjustment CR motor heat protection control Adjustment Item Part Name Ad...

Страница 78: ...s shown below Band pattern The following pattern is printed The lines below 0 80 are printed while the carriage moves from the home to the other side and lines below 80 0 are printed while the carriage returns to the home Figure 2 2 Head Angular Adjustment Band Pattern How to Judge Examine the printout patterns and enter the value 16 to 16 for the most straight lines Additional information When 16...

Страница 79: ...reassemble replace the Printhead 2 2 3 Bi D Adjustment The pattern shown below is printed for each of the 7 print modes Figure 2 4 Bi D Adjustment Pattern How to Judge Find the pattern with no gaps or overleaps of the left and right pattern and enter the value of that pattern Additional information If an appropriate pattern is not printed enter the nearest value and then print the patterns again C...

Страница 80: ...and 3 left First dot position adjustment How to Judge Enter the value for the point where the PW adjustment pattern line and the First dot position adjustment pattern line overlap on the left of the paper Example In the left figure enter 2 since the lines overlap at 2 position 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5 4 3 2 ...

Страница 81: ...ed as shown below Figure 2 7 PF Adjustment bottom margin area Pattern How to Judge Enter the value for the one that has no gap or overlap between the upper block and the lower block Example In the above figure 0 should be selected Additional information In case that all patterns have gap or overlap select the value for the pattern which has the least gap or overlap and print the pattern again C H ...

Страница 82: ...cards Matte etc Cleaning CR measurement VH detection CR home position seek PG typ Mechanical default 1 7 Plain paper EPSON special thin paper SF etc Rubbing with PG1 2 is avoided PG 2 35 Envelopes Rubbing with PG1 2 and 1 7 is avoided PG 4 2 CD R printing At ink replacement C A U T I O N The thickness gauge to be used must be free from dust and dirt and from deformation Be sure to clean it before ...

Страница 83: ...ove the carriage to the right end 8 If the carriage comes in contact with the gauge adjust the Right Parallelism Bush to raise the carriage to a position where the Printhead does not come in contact with gauge 9 Move the carriage to the middle area of the platen and place 1 3 mm thickness gauges at the left and right ends of the platen 10 Pull the Timing Belt to move the carriage to the left end 1...

Страница 84: ...m any dirt or stain Table 2 6 Tools and Paper for BRS PFP Adjustment Tools Paper Product Code Common PFP Base scale 1453980 BRS Matte Paper Heavyweight A4 PFP Premium Glossy Photo Paper 4 x 6 Calculate correction value Test Pattern Scanner PC Printer C A U T I O N Install the driver of the scanner to the PC in advance As the profile required for the adjustment is not prepared for scanners other th...

Страница 85: ...more than 5 minutes C H E C K P O I N T When an error is displayed in the Adjustment program check the points below then carry out the adjustment again If an error occurs even after checking the points below change the scanner with a different one and carry out the adjustment again 1 Check that the printer that printed the pattern and the printer to register the adjustment value is the same 2 Chec...

Страница 86: ...scale is clean and the scale adjustment pattern is not tilted then repeat from step 5 Figure 2 14 PFP Base Scale and BRS Adjustment Pattern Position Viewed from the document glass of the scanner C H E C K P O I N T In the Adjustment program the identification code is used to distinguish whether the printer that printed the pattern and the printer to register the adjustment value is the same Make s...

Страница 87: ...is clean and the scale adjustment pattern is not tilted then repeat from step 4 Figure 2 16 PFP Base Scale and PFP Adjustment Pattern Position When viewed from the document glass of the scanner C H E C K P O I N T In the Adjustment program the identification code is used to distinguish whether the printer that printed the pattern and the printer to register the adjustment value is the same Printer...

Страница 88: ...pped bands in all the check patterns If any bands are found carry out the steps below 1 Re print the check pattern to see if the bands appear again 2 When bands appear in Step 1 try the PFP adjustment again from the beginning 3 When bands appear even after the re adjustment in step 2 determine that it is the mechanism failure and carry out check reassemble of the parts that was removed replaced Fi...

Страница 89: ...Confidential C H A P T E R 3 MAINTENANCE ...

Страница 90: ... driver utility or the Adjustment program Note This printer has three manual cleaning modes The appropriate cleaning mode is automatically selected and performed according to various conditions The ink consumption amount for manual cleaning varies depending on the mode 3 1 2 2 Maintenance request error Ink is consumed also for cleaning and flashing operations When the ink is used for cleaning and ...

Страница 91: ...ersely affect the printer operation Observe the specified amount Never apply excess Table 3 1 Specified Lubricant Type Name EPSON code Supplier Grease G 71 1304682 EPSON Grease G 77 1455324 EPSON Lubrication Points Four points where contact with the Main Frame Type G 71 Application Amount ø 1 x 4 mm x 4 points Application Timing Apply before installing the Driven Pulley Remarks Apply with Injector...

Страница 92: ...Paper guide Remarks Apply with Injector Make sure that the coated part of the PF Roller Shaft and rubber rollers on the EJ Roller are free from grease Front Paper Guide Assy left Application Point Application Point Front Paper Guide Assy right Application Point Lubrication Points EJ Frame Assy Busing Left Right back side Type G 71 Application Amount ø1 x 1mm x 2 points Right busing both inner side...

Страница 93: ...ter installing the CR Unit Remarks Apply with Injector Do not apply to the both ends 40mm from edge Move the CR Unit the left right to spread the grease evenly Rib Notch for spring Front Frame contact point right Application Point 2 1 5 mm from the top edge 2 10 mm from the top edge 1 Main Frame upper rear Except both ends 40mm Application Point Lubrication Points On the PG Cams attached to the bo...

Страница 94: ...s Application Timing Apply before installing the CR Unit Remarks Apply with Injector Apply grease from the two lubrication holes Make sure that the Timing Belt is free from grease Contact point between CR Unit and CR Guide Shaft 1 CR Shaft Application Point CR Shaft Contact point between CR Unit and CR Guide Shaft 2 Application Point Apply from the holes Lubrication Points On the Main Frame where ...

Страница 95: ...8 Application Point Hole for LD Roller on ASF Unit Application Point Clutch side Lubrication Points Contact point between the LD Roller Shaft and the Hopper ASF Gear Type G 71 Application Amount ø 1 x 10mm x 3 points Application Timing Apply before installing the ASF Unit Remarks Apply with Injector Rotate the LD Roller Shaft so that the Curved Flat surface face up then apply grease to the specifi...

Страница 96: ...oller and Hopper ASF Gear Type G 71 Application Amount ø 1 x 1 4 circle x 4 points Application Timing Apply before assembling the LD Roller Holder Remarks Apply with Injector Rotate the LD Roller Shaft so that the Curved Flat surface face up then apply grease to the specified parts LD Roller Shaft Curved surface Ribs beside the LD Roller Application Point ...

Страница 97: ...Confidential C H A P T E R 4 APPENDIX ...

Страница 98: ...tor rotates clockwise to eject the CDR Tray CR lock CR CR lock is released 4 Releasing the CR lock 4 1 The PF Motor rotates clockwise and releases the CR lock Any position 5 Seeking the home position 5 1 The carriage slowly moves to the 80 digit side 5 2 The carriage moves to the 0 digit side slowly and confirms it touches the Right Frame 5 3 The carriage slowly moves to the CR lock set position 5...

Страница 99: ... Carriage PF roller movement and position 2 PG 3 11 Setting the APG to PG 11 1 The carriage slowly moves to the Right Frame and stops there PG 11 2 The PF Motor rotates clockwise and sets to PG PG 11 3 The carriage slowly returns to its home position 12 CR measurement and PW Sensor initialization 12 1 The carriage slowly moves to the 80 digit side 12 2 The carriage performs a load measurement whil...

Страница 100: ...eration time for servicing the product Those are based on the MTTR result measured using a prototype The underlined parts units are supplied as After Service Parts 13 2 The carriage slowly moves to the 0 digit side PG 13 3 The carriage slowly returns to its home position 14 CR lock setting 14 1 The carriage slowly moves to the CR lock set position 14 2 The PF Motor rotates counterclockwise and set...

Страница 101: ...4 2 Standard Operation Time Parts Unit Time second Replacement Adjustment Total Driven Pulley Holder 1178 0 1178 CR Motor 1193 394 1587 PF Motor 1237 13 1250 Porous Pad Paper Guide Front 1260 0 1260 Ink System Assy 1255 0 1255 Extension Spring 0 8 1315 0 1315 CR Lock 1375 0 1375 Compression Spring 0 98 1259 0 1259 Cable Holder Frame 1223 0 1223 PF Encoder FFC 1223 0 1223 Front Frame 1348 0 1348 EJ...

Страница 102: ... 1341 0 1341 Label CDR 1354 0 1354 Guide Stacker Right 1354 0 1354 Housing Lower 1430 0 1430 Adapter cover 247 0 247 Sheet Guide Tube 483 0 483 Sheet Guide Tube Sub 529 0 529 Table 4 2 Standard Operation Time Parts Unit Time second Replacement Adjustment Total Joint 176 1200 1376 Adapter 320 1200 1520 Ink Supply Tube Assy 702 1229 1931 Ink Supply Tank Assy 286 1200 1486 Ink Supply Tank Tube Assy 6...

Страница 103: ...ow 102 Confidential 4 3 Troubleshooting This section describes the troubleshooting workflow and fatal error information 4 3 1 Troubleshooting Workflow The following page describes the troubleshooting workflow Follow the flow when troubleshooting problems ...

Страница 104: ...ntamination of CR Scale Contamination of Printhead cover Printhead damage Ink clogging of Printhead Contamination on Cap Unit Wiper of Ink System Assy Ink System Assy damage Float of Porous Pad on Paper Guide Front Incorrect PG PE Sensor Lever damage PE Sensor damage Contamination of PF Roller LD Roller EJ Roller EJ Frame Assy Major Troubleshooting Driver re setting CR Scale replacement Printhead ...

Страница 105: ...nated detached scale Encoder Board failure CR Motor failure Carriage overload paper jam foreign object Cable disconnection 0DH CR PID aveTi max error CR Motor failure Motor driver failure Main Board failure Improper tension of the CR Timing Belt Carriage overload paper jam foreign object DC motor error FBH PF PID acceleration lock error PF Motor failure PF drive mechanism overload paper jam foreig...

Страница 106: ...nsor error Hi check error PW Sensor failure Main Board failure 61H PW sensor error Low check error 62H Tray sensor error CDR Tray Sensor failure Main Board failure 63H PE sensor error PE Sensor failure PE Sensor Lever failure Main Board failure Table 4 3 Fatal Error List Error type Error code Error name Possible cause Mainte nance error A0H Waste ink overflow The maintenance counter has reached a ...

Страница 107: ...л т з з любым д бным б м гл т чн я л жб дд ж и Д т в з з в в ии ф мл ни дит нл н з 2 мин ты м нии Д т в и л т вин и тзывы ции и ид и Epson L800 Описание Характеристики Отзывы ...

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