Mechanism Mechanism Adjustment Adjustment / / Check Check; Checking Checking The The Platen Platen Gap Gap; Check; Unit - Epson L120 Service Manual

Procedure Procedure
Adjustment Adjustment
Program screen Program screen
Remarks Remarks
Adjustment Adjustment
L120 L120
3.3 3.3 Mechanism Mechanism Adjustment
This section provides the procedure for the This section provides the procedure for the mechanism adjustment and check.
3.3.1 3.3.1 Checking Checking the
This section describes the procedure for checking the platen gap (PG). This section describes the procedure for checking the
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Thickness gauge: 1.5 mm (x2), 2.0 mm (x2) Thickness gauge: 1.5 mm (x2), 2.0 mm (x2)
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Confirmation procedure Confirmation procedure
When checking the PG, make sure of the following. When checking the PG, make sure of
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1. 1. Select from the me Select from the menu of the Adjus nu of the Adjustment Progra
"Execute" button to measure the correction value. "Execute" button to measure the correction value.
2. 2. The correc The correction value tion value is automatic is automatically measu
the Main Board. the Main Board.
Check the check box of the replaced parts. Check the check box of the replaced parts.
Adjustment / / Check
the Platen Platen Gap Gap
This printer does not have any PG adjustment mechanism, however, it is designed so that the This printer does not have any
platen gap can fall within the expected range if you correctly reassemble the unit (including platen gap can fall within the expected range if you correctly reassemble the unit (including
using the Epson-specified jigs) according to this manual. If the PG cannot fall within the using the Epson-specified jigs) according to this manual. If the PG cannot fall
standard range after performing the platen gap check described in this section, first check if standard range after performing the platen gap check described in this section, first check if
the unit is correctly reassembled following the instructions in this manual. Even if the unit is correctly reassembled following the instructions in this manual. Even if the unit is
correctly reassembled but the PG still correctly reassembled but the PG still cannot fall within the standard range, replace the
with a new/refurbished one. with a new/refurbished one.
The standard range of the PG The standard range of the PG is as follows:
• • St Stan anda dard rd: 1 : 1.9 .95 ± 5 ± 0. 0.45 45 mm
Check the PG with new ink cartridges installed to the CR Unit, and Check the PG with new
related to the PG installed to the printer related to the PG installed to the printer (p 43)
Move the CR Unit by Move the CR Unit by pulling the CR Timing Belt. pulling the CR Timing Belt.
Be careful not to damage the nozzles of the Be careful not to damage the nozzles of the Printhead with the thickness gauge.
tment Program. Check the che m. Check the check box of the re
ally measured and red and the measur the measurement val
Execute button Execute button
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Adjustment Program Adjustment Program
Check
mechanism adjustment and check.
platen gap (PG).
PG adjustment mechanism, however, it is designed so that the
cannot fall within the standard range, replace the unit
is as follows:
mm
the following.
ink cartridges installed to the CR Unit, and also with all
(p 43). .
Printhead with the thickness gauge.
ck box of the replaced par placed parts and press the
ement value is written ue is written to the EEPROM o to the EEPROM on n
Check the check box of the replaced parts. Check the check box of the replaced parts.
also with all parts
ts and press the
Execute button Execute button
47 47
Confidential Confidential
Revision A Revision A
within the
the unit is

unit

parts