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ADJUSTMEM
4.1.8 Bi-directional Printing Adjustment
The purpose of this adjustment is to correct the printer mechanism parameters which control bi-directional
printing. Be sure to peltorm this adjustment when required. If this adjustment is not performed correctly, bi-
directional printing may be miss-aligned, or, in the worst case, the carriage might operate incorrectly. Before
performing this adjustment, be sure to that the following adjustment are completed correctly.
4.1.2 Carriage Timing Belt Tension Adjustment
4.1.5 Carriage Guide Shaft parallelism Adjustment
4.1.6 Platen Angle Adjustment
4.1.7 Platen Gap Motor Value Adjustment
The parameters to be v&ten to the EEPROM on the C204 Main board in this adjustment are as follows:
1) Head flying time adjustment value (Fright Time)
2) Bidirectional printing alignment value for each speed mode, Super Draft, Draft, and NLQ
0 If the DIP-SW”lB” is set to the IBM mode (On), it can not perfom~ the Bi-D adjustment. Therefore,
when you perform the B&D a@ustment, set the DIP-SW”l-6” to Dff
0 When replace the C204 Main board, the ALPHA and BRA values are not u&ten into the memory
(In reality, “0” value is instakd) on the Main board. Since this reason, (Since PG is too large) it can
not print the each current value to tie paper. Due to this, Perform the platen gap valoe adjustment
before perform this adjustment.
1
Rev. A
4-15