Service Maintenance

If any abnormal print (dot missing, white line, etc.) has occurred or the printer indicates the "Maintenance request error" (This error is displayed as "Maintenance call error" in the STM3), take the following actions to clear the error.

□ Printhead cleaning

When dot missing or banding phenomenon has occurred, you need to perform the printhead cleaning operation*1 by using the printhead cleaning function. This function can be performed by the control panel operation, the printer driver utility and the Adjustment program.

In case that the cleaning sequence is performed by the control panel operation, confirm that the printer is in stand-by state (the Power LED is lighting), and hold down the Stop button on the control panel for more than 3 seconds. Then, the printer starts the cleaning sequence (the Power LED blinks during this sequence). In case that you select and perform the manual cleaning by the printer driver utility, the most appropriate cleaning mode is selected. The following is the process to perform the printhead cleaning from the printer driver utility. As for the operation of the Adjustment program, refer to Chapter 5 "ADJUSTMENT" (p.100).

*1: Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 have three modes for manual cleaning, and even during printing, the appropriate cleaning mode is automatically selected and performed according to various conditions. Therefore the ink consumption amount for manual cleaning varies depending on each mode.

1. Select the "EPSON Status Monitor 3" in the printer driver utility, and make sure that the printer is in stand-by state by using the Status monitor 3. If the printer is in stand-by state, the following figure is indicated on the monitor.

EEET

EPSON

Figure 6-1. Status monitor 3 indication

Select the "Head Cleaning" in the printer driver utility, and perform the printhead cleaning. After performing the printhead cleaning operation, print a nozzle check pattern by selecting the "Nozzle Check". If you repeat the printhead cleaning operation without selecting the "Nozzle Check", CL1, the weakest cleaning, will be repeated.

A. EPSON Stylus CX4300 series Properties

S Main | t^ Advanced | cv> Page Layout Maintenance | Status Monitoi 3 [M)

si faint aieas appeal in your printout.

I Head Cleaning [H]

I Use this utility if your print quality declines oi the Nozzle Check indicates clogged n< Print Head Alignment (P)

Use this utility if misaligned vertical lines appear in your printout.

Ink Cartiidge Replacement [R]

Use this utility to leplace an ink cartridge.

Paper Guide Cleaning [L)

Use this utility if your printout is dirty.

Figure 6-2. Head cleaning function in the printer driver utility

□ Maintenance request error (Maintenance call error)

Ink is used for the printhead cleaning operation as well as the printing operation. When the ink is used for the printhead cleaning operation, the ink is drained to the Waste drain ink pad and the amount of the waste ink is stored as the waste ink counter into the EEPROM on the Main board. Due to this, when the waste ink max counter has reached the limit (9000) of the absorbing capability of the Waste drain ink pad, the Maintenance call error is indicated on Status monitor 3 as following figure. But waste ink max counter is changed by usage, therefore waste ink max counter is not necessarily right.

QZET

EPSON

Service required

Information

Figure 6-3. Maintenance error indication in STM3

In this case, replace to new Waste drain ink pad and clear the waste ink counter stored into the EEPROM. The waste ink counter can be reset only from the Adjustment program because this printer dose not have the waste ink counter reset function by the control panel SW. As for the procedure, refer to Chapter 5 "ADJUSTMENT" (p.100). In your repair activity, check the waste ink counter along with the firmware version, Main board checker program version and nozzle check pattern on the nozzle check pattern printing. If the waste ink counter is closed to its limit, recommend that the Waste drain ink pad will be replaced with new one. This is because the "Maintenance request error" will may occur after returning the repaired product to the customer.

6.1.3 Lubrication

□ Refer to the following figures for the lubrication points.

The characteristics of the grease have great affects on the mechanical function and durability, especially does the characteristics about temperature environment. The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations. Therefore, be sure to apply the specified type and amount of the grease to the specified part of the printer mechanism during servicing.

CAUTION

Never use oil or grease other than those specified in this manual. Use of different types of oil or grease may damage the component or give bad influence on the printer function. Never apply larger amount of grease than specified in this manual.

Type

Name

EPSON code

Supplier

Grease

TC-55E

1400725

EPSON

Grease

UD-321

1428216

EPSON

Grease

G-58

1432035

EPSON

Grease

G-71

1304682

EPSON

Grease

G-74

1409257

EPSON

Guide Rail of Lower Scanner Housing

Guide Rail of Lower Scanner Housing

Epson Stylus Cx5500 Scanner

<Lubrication Point>

Guide Rail of the Lower Scanner Housing

<Lubrication Type>

TC-55E

<Lubrication Amount>

Appropriate amount using a brush

<Remarks>

• Move CIS Assy. to right and lubricate grease on guide rail from left to right.

• Move CIS Assy. to left then lubricate grease on guide rail from right to left.

• If there is dust or grease on CIS Assy., clean it with a wiper.

<Lubrication Point>

Guide Rail of the Lower Scanner Housing

<Lubrication Type>

TC-55E

<Lubrication Amount>

Appropriate amount using a brush

<Remarks>

• Move CIS Assy. to right and lubricate grease on guide rail from left to right.

• Move CIS Assy. to left then lubricate grease on guide rail from right to left.

• If there is dust or grease on CIS Assy., clean it with a wiper.

Figure 6-4. Lubrication on Guide Rail of the Lower Scanner Housing

Epson Stylus Cx4300 Error

<Lubrication Point>

Scanner Motor joggle

<Lubrication Type> TC-55E

<Lubrication Amount> Each place 0.3-0.5mg, 2--3mm diameter sphere

<Remarks>

Use an injector to apply TC-55E.

Figure 6-5. Lubrication on Scanner Motor

<Lubrication Point>

Scanner Motor joggle

<Lubrication Type> TC-55E

<Lubrication Amount> Each place 0.3-0.5mg, 2--3mm diameter sphere

<Remarks>

Use an injector to apply TC-55E.

Figure 6-5. Lubrication on Scanner Motor

<Lubrication Point>

Driven Pulley

<Lubrication Type>

TC-55E

<Lubrication Amount>

Each place 2mm diameter sphere

<Remarks>

Use an injector to apply TC-55E.

Epson Printer Stylus 4450

I Blade A (Flat side UP) 1

Lubrication Points (Side view)

<5

^ lihideB ÇO^) Blade A

<Lubrication Point>

Blade A, Blade B of LD Roller

<Lubrication Type> G-71

<Lubrication Amount>

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-6. Lubrication on Driven Pulley

Figure 6-8. Lubrication on LD Roller (1)

Epson Dx4400

<Lubrication Point>

Edge of glass window

<Lubrication Type>

UD-321

<Lubrication Amount>

80mg using a brush

<Remarks>

Turn Upper Scanner Housing around to check if there is grease spill over gap, if yes use wiper to clean.

<Lubrication Point>

Edge of glass window

<Lubrication Type>

UD-321

<Lubrication Amount>

80mg using a brush

<Remarks>

Turn Upper Scanner Housing around to check if there is grease spill over gap, if yes use wiper to clean.

Figure 6-7. Lubrication on Upper Scanner Housing

Eeprom Dx4450

<Lubrication Point>

Blade A, Blade B of LD Roller

<Lubrication Type>

G-71

<Lubrication Amount>

<Lubrication Point>

Blade A, Blade B of LD Roller

<Lubrication Type>

G-71

<Lubrication Amount>

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-9. Lubrication on LD Roller (2)

<Lubrication Point>

Bearing A of Lower Housing (for PF Roller)

<Lubrication Type> G-71

<Lubrication Amount>

Lower Housing

Lower Housing

<Lubrication Point>

Bearing A of Lower Housing (for PF Roller)

<Lubrication Type> G-71

<Lubrication Amount>

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-10. Lubrication on PF Roller Bearing (1)

Lubrication Point it

<Lubrication Type> G-71

<Lubrication Amount>

<Lubrication Point>

Bearing B, C of Lower Housing (for PF Roller)

<Lubrication Type> G-71

<Lubrication Amount>

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Lubrication Point it

Figure 6-11. Lubrication on PF Roller Bearing (2)

Revision A

<Lubrication Point>

Shaft and Groove of PF Roller

<Lubrication Type> G-71

<Lubrication Point>

<Lubrication Point>

Shaft and Groove of PF Roller

<Lubrication Type> G-71

<Lubrication Point>

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-12. Lubrication on PF Roller

Lubrication Point (1)

Lubrication Point (2)

Spur Gear

Lubrication Point (2)

Spur Gear

<Lubrication Point>

( 1 ) Teeth of Spur Gear of E J Roller (2) Shaft of Spur Gear of EJ Roller

<Lubrication Type>

<Lubrication Amount>

<Remarks>

Use an injector to apply G-58 and G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-13. Lubrication on EJ Roller (1)

Lubrication Points (x 19)

<Lubrication Point>

Bearings (xl9) below the hooks of Lower Housing (for E.T Roller)

<Lubrication Type>

G-74

<Lubrication Point>

0.04g/position

<Lubrication Point>

Bearings (xl9) below the hooks of Lower Housing (for E.T Roller)

<Lubrication Type>

G-74

<Lubrication Point>

0.04g/position

<Remarks>

Use a flux dispenser to apply G-74

• G-74 must not be adhered to other parts.

• Rotate E.T Roller when lubricate it with G-74.

Lubrication Points (x 19)

Figure 6-14. Lubrication on EJ Roller (2)

Main Frame

Cx5500 Disassembling

Figure 6-15. Lubrication on Main Frame

Main Frame

Figure 6-15. Lubrication on Main Frame

There is one lubrication point in the area indicated with 1. See Figure 6-16 There are four lubrication point in the area indicated with 2. See Figure 6-17

Revision A

Right Side View

Right Side View

<Lubrication Point>

Upper rib (x 1) Area 1 in Figure 6-15

<Lubrication Point>

G-71

<Lubrication Amount>

<J> 1 mm x 355 mm along upper rib (See Figure 6-15)

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-16. Lubrication on Main Frame (1)

Right Side View

Main Frame

4 mm

<Lubrication Point>

Lower rib (x 4: Point A - Point D) Area 2 in Figure 6-15

<Lubrication Point>

G-71

<Lubrication Amount>

<J> 1 mm x 355 mm along lower rib (See Figure 6-15)

<Remarks>

Use an injector to apply G-71.

• G-71 must not be adhered to other parts.

• Rub off excess G-71 with a cotton bud if necessary.

Figure 6-17. Lubrication on Main Frame (2)

APPENDIX

CHAPTER

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