Adjusting The Carriage - Olivetti PR4 SR Service Manual

Photosensor Adjustment Errors
Any error detected is signalled by the flashing of the
console LEDs in the following way:
Error LED Receipt LED
Blink
Off
Off
Off
In case of error press the Journal key to return to the
initial configuration.
Error LED

6.9.2 Adjusting the Carriage

The carriage adjustment procedure consists of two
phases:
1. Carriage reset photosensor adjustment.
2. Slip alignment position adjustment.
Printer Action
1. Acoustic signal indicating entrance to the
Adjustment Mode.
2. Reset photosensor adjustment.
3. Storage of the values in EEPROM and an acoustic
signal indicating OK.
Error LED Receipt LED
Blink
Off
Off
Printer Action
1. Performs a mechanical reset with the values
calculated during the procedure.
Any error detected by the printer will be signalled
as follows:
XYAA6336
Journal LED
Off Off
Blink Off
Off Blink
Off Off
ON LED
Receipt LED
Journal LED
Off Off
Blink Off
Off Blink
Service Manual
Slip LED
Off
Off
Off
Blink
Slip LED
Journal LED
Figure 6-11
4. Printing on receipt of the current values of a blank,
refracting photosensor and the previous threshold
values.
5. Printing on receipt of the previous carriage position
adjustment value.
6. Printing on receipt of the new current values of a
blank, refracting photosensor with respective
threshold.
Carriage Adjustment Errors
Any error is signalled by the following console LED
patterns:
Slip LED
Off
Off
Off
Photosensor Error
Upper
Lower
Slip 1
Slip 2
Error
Photo trans. not detected
Positioning error
Gap lower than 3 V
6-9