SATO CL608e Guida

CL608e/612e

Mechanical Adjustments

SATO CL608/CL612 printers contain adjustable sub-assemblies. T is means t at during

your regular maintenance, your service tec nicians are able to make adjustments to

reset t e printer to factory specifications t ereby ensuring optimum performance of

your printer.

T e main mec anical sub-assemblies are:

•Ribbon Unwind/Rewind Assembly's

•Ribbon Guide Roller Assembly

•Print Head Assembly

•Drive Belt Assembly's

In t is section you will find procedures for:

•Ribbon Unwind/Rewind Clutch Adjustment

•Print Head Position Adjustment

•Print Head Balance Adjustment

•Ribbon Roller Adjustment

•Ribbon Tension Balance Adjustment

•Feed Roller Adjustment

•Timing Belt Tension Adjustment

•Head Latch Adjustment

•Notch/Gap Sensor Adjustment

SATO America, Inc

545 Weddell Drive

Sunnyvale, CA 94089

Main Phone: (408) 745-1300

Tech Support Hotline: (408) 745-1379

Fax: (408) 745-1309

Proc 64

2SATO CL608e/CL612e Mechanical Adjustments

Excessive ribbon unwind and rewind tension will result in variable ribbon motion and

could be t e cause of print quality problems.

Follow t e procedures 1 and 2 to verify t at t e ribbon unwind and rewind tensions are

wit in specifications or if adjustment of eit er clutc is necessary.

Proc 1 Ribbon Unwind Clutch Adjustment

Required Equipment:  1 Kg Tension Gauge

 Ribbon Core, empty

 String

 12mm Wrenc

 #2 Pozidrv Screwdriver

STEP PROCEDURE

1. Connect t e power cable to t e printer and AC outlet. Turn t e printer

ON.

2. Raise t e access door and remove t e ribbon and label stock if installed.

Fig. 1

3. Attac string to an empty ribbon core and place on t e Ribbon Unwind

Spindle. Wind t e string tig tly around t e ribbon core in a single layer

and in a clockwise direction. Attac t e free end of t e string to t e

tension gauge. Fig. 2 & 3

4. Gradually lift t e tension gauge, pulling t e string to unwind it from t e

core. Once t e spindle begins to move, t e gauge s ould indicate 450 to

550 grams of tension. Excessive or insufficient tension must be corrected

by adjusting t e Ribbon Unwind Clutc . Fig. 2 & 3

5. To adjust t e clutc , loosen t e locking screw and move t e adjust nut CW

for more tension and CCW for less tension. Tig ten t e locking screw and

repeat Steps 3 and 4 until t e correct tension is ac ieved.

Fig. 1

REMOVE THE

RIBBON AND

LABEL STOCK

Ribbon Clutch Adjustments

SATO CL608e/CL612e Mechanical Adjustments

Ribbon Clutch Adjustments

Fig. 3

RIBBON UNWIND

SPINDLE

ADJUST NUT

LOCKING SCREW IS

INSIDE ADJUST NUT

950-1050g

REWIND

STRING

EMPTY RIBBON

CORES

RIBBON REWIND

SPINDLE

Fig. 4

Fig. 2

450-550g

UNWIND

TENSION GAUGE

STRING

REWIND CLUTCH UNWIND CLUTCH

4SATO CL608e/CL612e Mechanical Adjustments

STEP PROCEDURE

1. Connect t e power cable to t e printer and AC outlet. Turn t e printer

ON.

2. Raise t e access door and remove t e ribbon and label stock if installed.

Fig. 1

3. Attac string to an empty ribbon core and place on t e Ribbon Rewind

Spindle. Wind t e string tig tly around t e ribbon core in a single layer

and in a clockwise direction. Attac t e free end of t e string to t e

tension gauge. Fig. 2 & 4

4. Gradually lift t e tension gauge, pulling t e string to unwind it from t e

core. Once t e spindle begins to move t e gauge s ould indicate 950 to

1050 grams of tension. Excessive or insufficient tension must be corrected

by adjusting t e ribbon unwind clutc . Fig. 2 & 4

5. To adjust t e clutc , loosen t e locking screw and move t e adjust nut CW

for more tension and CCW for less tension. Tig ten t e locking screw and

repeat Steps 3 and 4 until t e correct tension is ac ieved.

Proc 2 Ribbon Rewind Clutch Adjustment

Ribbon Clutch Adjustments

SATO CL608e/CL612e Mechanical Adjustments

STEP PROCEDURE

1. Run a test print. Fig. 5

2. By adjusting t e Allen ead screws on t e rear of t e Stay, you can move

t e print ead forward or backward. T is allows you to position t e

burnline of t e print ead directly and evenly over t e apex of t e platen

surface. Fig. 6 & 7

3. W ile printing t e test pattern, adjust t e Allen adjustment screws for t e

best print quality. NOTE: It is vital t at a known good platen be in t e

unit.

4. Verify t e image is even on t e label by measuring t e distance from t e

bottom of t e barcode to t e bottom of t e label on bot sides. Refer to

Fig. 5. If uneven, adjust t e Allen adjustment screws to correct t e

alignment. T is may affect t e print quality and may need to be

readjusted.

5. If you are unable to get t e unit to produce good print quality, proceed to

Print Head Balance Adjustment and perform t e adjustment; t en return

to t is section and redo t e Print Head Position Adjustment. NOTE: You

may ave to do bot of t ese adjustments concurrently several times to

ac ieve proper print quality and alignment.

Required Equipment:  Allen Wrenc 2.5mm

 Ruler

5.3 Print Head Position Adjustment

6SATO CL608e/CL612e Mechanical Adjustments

Print Head Position Adjustment

ALLEN WRENCH ADJUST SCREWS

Fig. 7

STAY

STAY Fig. 6

NELLAFONOITATOR HCNERW DAEHTNIRPFOTNEMEVOM

ESIWKCOLCTNORFEHTOT

ESIWKCOLC-RETNUOCDRAWKCAB

TURN SCREWS

CW/CCW

TEST PRINT Fig. 5

MEASURE FROM

BOTTOM OF BARCODE

TO BOTTOM OF LABEL

MEASURE FROM

BOTTOM OF BARCODE

TO BOTTOM OF LABEL

SATO CL608e/CL612e Mechanical Adjustments

Print Head Balance Adjustment

Required Equipment:  #2 Pozidrv Screwdriver

 10mm wrenc

STEP PROCEDURE

1. Connect t e power cable to t e printer and AC outlet. Turn t e printer

ON.

2. Raise t e access door and load t e ribbon and label stock.

NOTE: It is vital t at a known good platen be in t e unit.

3. Loosen t e locking screws. Fig. 8

4. W ile printing, adjust t e eccentric wit a 10mm wrenc . Turn t e

eccentric clockwise to increase t e density (darker impression) of t e inner

side of t e image or counter-clockwise to increase t e density (darker

impression) of t e outer side of t e image.

5. Hold t e eccentric in place wit t e 10mm wrenc and tig ten t e locking

screws loosened in Step 3 above.

6. After adjustment, verify t at label and ribbon are still tracking correctly.

7. If you are unable to get t e unit to produce good print quality, return to

Print Head Position Adjustment and perform t e adjustment; t en return to

t is section and redo t e Print Head Balance Adjustment. NOTE: You

may ave to do bot of t ese adjustments concurrently several times to

ac ieve proper print quality and alignment.

NOTE: On t is printer, t e platen roller under t e print ead is adjustable wit an

eccentric to make print quality and pressure consistent across t e label.

LOCKING

SCREWS

ADJUST PLATE

Fig. 8

ECCENTRIC

8SATO CL608e/CL612e Mechanical Adjustments

Required Equipment:  #2 Pozidrv Screwdriver

 10mm wrenc

STEP PROCEDURE

1. Connect t e power cable to t e printer and AC outlet. Turn t e printer

ON.

2. Raise t e access door and load t e ribbon and label stock. Fig. 1

3. Loosen t e locking screws. Fig. 9

4. Turn eccentric wit wrenc .

5. W en t e carbon ribbon moves evenly wit out wrinkling, tig ten t e

locking screws.

LOOSEN

LOCKING

SCREWS

TURN ECCENTRIC

Fig. 9

NOTE: Only do t is adjustment after adjusting ribbon wind and

unwind tension.

Ribbon Roller Adjustment

SATO CL608e/CL612e Mechanical Adjustments

Ribbon Tension Balance Adjustment

Required Equipment:  #2 Pozidrv Screwdriver

 Flat Blade Screwdriver

STEP PROCEDURE

1. Connect t e power cable to t e printer and AC outlet. Turn t e printer ON.

2. Remove (3) screws olding t e left side cover to t e printer. Raise t e

access door and loosen t e (2) screws on t e inside top of t e printer. Lift

off t e left side cover. Fig. 11

3. Unload t e ribbon and label stock.

4. Refer to Figs. 12.

Ribbon Rewind Spindle A must be parallel wit Ribbon Roller B.

Ribbon Rewind Spindle C must be parallel wit Ribbon Roller D.

Loosen (2) locking screws astride s afts A & B. Insert a flat blade screw

driver into eac slot and adjust until s afts are parallel wit ribbon rollers B

& D. Tig ten t e locking screws astride s afts.

5. Rec eck t e ribbon alignment and printouts. If necessary, redo step 4.

NOTE: T is procedure s ould only be attempted by a qualified tec nician.

T e ribbon s ould flow evenly along t e lengt of t e STAY to avoid ribbon

wrinkles and maintain optimum print quality. If ribbon wrinkles appear as

in Fig. 10, perform t e following steps:

NOTE: Only do t is adjustment after adjusting ribbon

wind and unwind tension.

RIBBON REWIND

SPINDLE

RIBBON UNWIND

SPINDLE

RIBBON SHOWN

WITH WRINKLES

STAY

Fig. 10

10 SATO CL608e/CL612e Mechanical Adjustments

Ribbon Tension Balance Adjustment

Figs. 12

ADJUST PLATES

MOVE THE ADJUST

PLATES UP/DOWN

LOCKING SCREWS

RIBBON ROLLER

RIBBON REWIND

SPINDLE

RIBBON ROLLER

RIBBON REWIND

SPINDLE

STAY

"A" MUST BE

PARALLEL

WITH "B"

"C" MUST BE

PARALLEL

WITH "D"

Fig. 11

REMOVE (3) SCREWS

RAISE THE ACCESS DOOR

AND LOOSEN (2) SCREWS

ON THE INSIDE TOP OF

THE PRINTER

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