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Epson L220 Service Manual

Epson L220
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Confidential
Troubleshooting Power-On Sequence 11
L365/L366,L360/L362,L310/L312,L220/L222,L130/L132 Series
Revision A
1.2 Power-On Sequence
This section describes the power-on sequences in two conditions. The preconditions are as follows.
Condition 1: Normal power-on sequence (See Table 1-1.)
Turning on the printer after turning it off without an error.
Initial ink charge has finished and every cartridge has sufficient ink.
No paper on the paper path.
The Printhead is capped with the Cap Assy.
The CR Unit is normally fixed by the Change Lever.
Maintenance error recovery has never been performed.
Note 1: The rotation directions of the PF Motor are as follows.
Clockwise: Paper is fed normally
Counterclockwise: Paper is fed backward
*2: The conditions of the CR lock are as follows.
Red CR lock is set
White CR lock is released
*3: The fatal error occurs if there is a problem such as the fuse blew.
*4: The empty suction operation may occur depending on the situation.
*5: Executed when the detected temperature is under 5
o
C (41
o
F) by the thermistor on the Printhead.
Table 1-1. Condition 1: Normal Power-on Sequence
Operation
*1
CR Unit/PF Roller
movement and
position
*2
1. Printhead initialization and fuse inspection
1-1.Initializes the Printhead, and checks for the fuse on the circuit boards in the printer.
*3
2. Checking for waste ink overflow
2-1.Checks the waste ink counter if the waste ink overflow is occurring.
3. Seeking the home position
3-1.The CR Unit moves to the 80-digit side slowly and confirms it touches the Change Lever (CR lock).
3-2.The CR Unit moves to the 0-digit side slowly.
3-3.After the PE Sensor checks if paper exists, the PF Motor rotates clockwise for one second and releases the CR lock.
3-4.While checking if the CR Unit does not touch the Change Lever (CR lock) or the foreign material, the CR Unit
moves to the 80-digit side slowly until it touches the Left Frame.
3-5.The distance from the position where the CR Unit touched to the Left Frame is regarded as the standard distance
from the origin position, and the home position is fixed.
From then on, the CR Unit position is monitored according to the signals from the CR Encoder.
3-6.The CR Unit moves to near its home position quickly.
4. PF Motor Measurement
4-1.The PF Motor rotates clockwise until the PF Roller turns five times to perform a load measurement.
5. Detecting ink cartridge and initializing ink system
*4
5-1.The CR Unit returns to its home position.
6. Low temperature operation sequence
*5
6-1.The CR Unit quickly moves back and forth between near the Change Lever and near the Left Frame for two times.

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Epson L220 Specifications

General IconGeneral
Print technologyInkjet
Maximum resolution5760 x 1440 DPI
Print speed (ISO/IEC 24734) mono7 ipm
Print speed (ISO/IEC 24734) color3.5 ipm
Print speed (black, normal quality, A4/US Letter)27 ppm
Print speed (color, normal quality, A4/US Letter)15 ppm
Scanner type-
Scan speed (black)2.4 ppm
Scan speed (color)9.5 ppm
Image formats supportedBMP, JPEG, TIFF
Document formats supportedPDF
Optical scanning resolution600 x 1200 DPI
Maximum copy resolution- DPI
Printing colorsBlack, Cyan, Magenta, Yellow
Country of originPhilippines
Maximum duty cycle- pages per month
Product colorBlack
Built-in displayNo
Market positioningHome & office
Paper input typePaper tray
Total input capacity- sheets
Total output capacity30 sheets
Total number of input trays1
Envelopes sizes10, C6, DL
Photo paper sizes10x15, 13x18 cm
Non-ISO print media sizesLegal (media size), Letter (media size)
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (off)0.3 W
Power consumption (ready)3.8 W
Power consumption (sleep)0.8 W
Power consumption (copying)12 W
Sustainability certificatesENERGY STAR
Windows operating systems supportedYes
Standard interfacesUSB
Internal memory- MB
Pallet width800 mm
Pallet height2250 mm
Pallet length1200 mm
Pallet width (UK)1000 mm
Quantity per pallet40 pc(s)
Quantity per pallet (UK)50 pc(s)
Quantity per pallet layer4 pc(s)
Quantity per pallet layer (UK)5 pc(s)
Package depth535 mm
Package width390 mm
Package height210 mm
Package weight5960 g
Quantity per pack1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth300 mm
Width482 mm
Height145 mm

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