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Epson TM-U220 Series Service Manual

Epson TM-U220 Series
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4-2 Disassembly and Assembly Rev. B
Confidential
Use the grease or oil types indicated below for lubrication.
Use items in the list below when operating the printer.
Notes for Assembly and Disassembly
For assembly, reverse the procedures described under “Disassembly.”
The
symbol in the disassembly procedure indicates that the item needs to be
checked.
The
6
symbol in the disassembly procedure indicates an item that needs to be
lubricated.
CAUTION:
Wear a grounded wrist band when handling the internal circuit boards to prevent
damage from static electricity.
When removing an internal circuit board, place it on an anti-static rubber sheet or
similar surface to prevent damage from static electricity.
Be careful not to subject the circuit boards to shock or vibration, because this may
damage them.
Do not touch the circuit board or cable terminals with your hands to prevent
contamination that may result in a malfunction. Hold circuit boards only by their
edges.
Always remove the power supply unit from the printer before working. Power is
flowing to the internal circuit boards even if you turn the printer off at the power
supply switch. You may damage the printer if you work while the power supply is still
attached.
Remove all peripheral equipment connected to the printer before starting work.
Do not perform any work that is not described in this chapter. Doing so may result in
injury or damage to the printer.
Items Parts code Note
Oil 1041442 O-13
Grease 1080605 G-15
1080619 G-36
Items Parts code Note
AC adapter 2081786
Ribbon cassettes S0152440000 ERC-38 (B)
S0152450000 ERC-38 (B/R)
S0152460000 ERC-38 (P)

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Epson TM-U220 Series Specifications

General IconGeneral
Print Method9-pin, serial impact dot matrix
AutocutterPartial cut
WeightApprox. 2.5 kg
Paper Thickness0.06 to 0.085 mm
Operating Temperature5 to 45 °C
InterfaceRS-232, Bi-directional parallel, USB, Ethernet
Number of Columns42 columns
Data Buffer4 KB
Character Set95 Alphanumeric, 128 x 12 Graphic
Power SupplyAC adapter
Operating Humidity10% to 80% RH (non-condensing)
Print Speed4.7 lines per second (at 40 columns, 16 dpi)
Paper Width76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy CapabilityOriginal + 2 copies

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