The Dead Mac Scrolls 1992.pdf

THE MACINTOSH BIBLE GUIDE TO SAVING A FORTUNE ON MAC REPAIRS

THE DEAD MAC SCROLLS HOW TO FIX HUNDREDS OF HARDWARE PROBLEMS WITHOUT GOING BANKRUPT

ARRY PINA

·

THE

DEAD MAC

· SCROLLS

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MACINTOSH

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GU I D E

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SAVING A FORTUNE ON MAC REPA I RS

THE DEAD MAC SCROLLS HOW TO FIX HUNDREDS OF HARDWARE PROBLEMS WITHOUT GOING BANKRUPT

LARRY PINA

0 PEACHPIT PRESS A GOLDSTEIN & BLA IR BOOK

The Dead Mac Scrolls Larry Pina A Goldstein & Blair book

Peachpit Press, Inc. 2414 Sixth Street Berkeley, Ct\ 94710 800/283-9444, 5 10/548-4393 Fax: 5 10/548-5991

Technica l editing: Jean Sorensen, Chuck Meyer Copy-ed iting: Vi rgini

are une"Yen.

Best quaJity printing is wavy. Vertic a) !ines are uneven. Typical history: Adjusting D IP switches SW2-5 and SW2-6 and the carri er-belt tension lever didn' t seem to make any difference. Probable diagnosis: The striker w ires in th e print head are out of ve rti ca l alignment.

Solution: Send out the print head (not the w hole printer) to a service depot for repair. If th at's not it, see th e nex t entry.

Striker wires

$46.00

Approximate cost of repairing it yourself: 1 print head repai r

46.00

$157.00

Approximate third-party repair cost: 1' rebui lt print head 1 hour labor

92.00 65. 00 $225.00

Approximate dealer repair cost: 1 new print head DDH -90 1 hour labor

5 min.

155 .00 70.00

393

lmageWriter II

Symptoms: Best quality printing is wavy, blurred and/or almost double-stru ck. Vertical lines are uneven.

Best qua~it; printing is v.savy. ~/ertica~ ~ines are une'}en. Best qua!iDJ printing is wa\·y. Vertlca) )ines are uneven. Typical histo ry: Adjusting DIP switches SW2-5 and SW2-6 and the ca rr ier belt tens ion lever didn' t seem to make any difference. The striker w ires in the print head are in perfect alignment.

Probable d iagnosis: The problem is on the lmageWriter II dri ver PCB .

Solution: Check/repl ace the EC-A051 IC (18-pin, carr ier motor driver), C. ltoh part EAT-00-09900, at board reference HIC1.

0

0

HI C I

0 0

Tee DR Y PCB

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Approximate cost of repairing it yourself: 1 EC-A051 IC

21.78

Approximate third-party repair cost: 1 carrier motor driver IC 1 hour labor

$109. 00 44.00 65.00

Approximate dealer repair cost: 1 new power supply board 1 hour labor

$21 .78 1 hour

$206 .67 136.67 70.00

394

The Dead Mac Scrolls

Symptoms: Th e printout is too light. The printout i ~ too light. The printout i'i too light. lhe printout i~ too lighl. The printout is too light.

Probable diagnosis: The paper thickness lever is too far back. Solution: Move the paper thickness lever (located under the front cover) closer to the platen. If that doesn't do it, see the next entry.

Paper thi ckn ess lever

1 min.

Approximate cost of repairing it yourself: Approximate third-party repair cost: 1 hour labor Approximate dealer repair cost: 1 hour labor

$65.00

65.00 $70.00

70.00

395

lmageWriter II

Symptoms: The printout is too Iight. llw prilltotll i'> too light. 1 h