Comparing the MBM Auto Book and Its Smaller Counterpart, the Booklet Maker Jr

MBM (Martin-Baker and Machine) produces a range of binding and finishing equipment for professional print environments, and the Auto Book and Booklet Maker Jr represent two distinctly different positions in their booklet-making lineup — a high-capacity production machine and a compact lighter-duty alternative designed for lower-volume applications. Understanding the real differences between them goes beyond the obvious size difference and reveals which operational contexts each is genuinely suited for. This comparison covers the full picture.

For the general booklet-making machine selection framework before reading this model-specific comparison, see our guide on five tips for choosing a booklet making machine.

What Is the MBM Auto Book?

The MBM Auto Book is a high-capacity automatic saddle-stitching booklet maker designed for professional and semi-commercial production environments. "Automatic" refers to the collating and feeding mechanism — the Auto Book accepts pre-printed sheets in a stacker/collating system that automatically assembles pages into booklet signatures before stitching and folding. This automated collating eliminates the manual page-gathering step that makes high-volume booklet production time-consuming on non-automated machines.

The Auto Book is a production-grade machine with corresponding production-grade specifications: higher sheet capacity per booklet, higher hourly throughput, more robust mechanical construction for sustained daily use, and a trim function that creates a flush-trimmed face edge on finished booklets. For organizations producing hundreds or thousands of booklets per week — meeting materials, church bulletins, program books, product catalogs — the Auto Book operates at production speeds that justify its capital investment. .

How Does the Booklet Maker Jr Differ?

The MBM Booklet Maker Jr is a compact, manually-fed desktop booklet maker designed for light-to-moderate booklet production where the Auto Book's production capacity is more than required. "Jr" designates its position as the smaller, lighter-duty member of MBM's booklet maker product line. Where the Auto Book automatically collates and feeds sheets, the Booklet Maker Jr requires the operator to manually assemble and feed page sets. The machine handles the folding and saddle-stitching steps, but the collating step remains a manual operation.

The Booklet Maker Jr is appropriate for offices and organizations that need better booklet quality and consistency than a long-reach stapler and folding machine can provide, but don't produce the volume that justifies production machine investment. For a church producing 200 bulletins per week, a community organization producing monthly newsletters, or an office producing periodic meeting materials, the Booklet Maker Jr provides professional saddle-stitch results at an accessible price point. For the paper folding machine context that the Booklet Maker Jr's manual operation relates to, see our folder comparison at Martin Yale P6200 vs P6400 comparison.

The Collating Difference — The Most Operationally Significant Factor

Auto Book — automatic collating

The Auto Book's collating system accepts pre-printed sheets in separate bins or a sheet-feed stacker and automatically assembles them in correct signature order before stitching and folding. For a 12-page booklet, the operator loads pre-printed sheets into the machine, and the auto-collating mechanism assembles the correct page combination automatically for each booklet. This automation means the machine's throughput (booklets per hour) is genuinely achieved — the operator isn't spending time between booklets manually assembling pages.

Booklet Maker Jr — manual collating

The Booklet Maker Jr requires the operator to manually collate (assemble in order) the pages of each booklet before feeding the assembled set into the machine. For a 200-piece bulletin run, the operator manually assembles 200 page sets. The machine then handles folding and stitching each set as it's fed — but the collating time is entirely additional operator labor. For very small booklets (one sheet folded = a 4-page booklet), manual collating is trivial — there's only one sheet to handle. For larger page-count booklets, manual collating is a significant time investment. For the full paper handling workflow that booklet production fits within, see our guide at paper handling equipment guide.

Capacity and Speed

Auto Book capacity

The Auto Book handles higher sheet counts per booklet than the Booklet Maker Jr and operates at production speeds — typically capable of producing hundreds of booklets per hour under optimized conditions. The specific capacity numbers depend on the model generation; confirm with current MBM specifications. The machine's throughput is sustainable over extended production sessions due to its production-grade construction and design.

Booklet Maker Jr capacity

The Booklet Maker Jr handles a moderate sheet capacity per booklet appropriate for standard short-run booklets. Its hourly production rate is limited by the manual collating step rather than by the machine's mechanical speed — the machine itself folds and stitches efficiently, but operator collating time determines actual booklets-per-hour throughput. For low page-count booklets (4 to 8 pages), the Booklet Maker Jr produces good hourly throughput; for higher page-count booklets, the manual collating time dominates.

Trimming Capability

The Auto Book typically includes an integrated trimmer that creates a flush-trimmed face edge on finished booklets — the standard that distinguishes professionally produced booklets from office-produced ones. The Booklet Maker Jr typically does not include an integrated trimmer, producing untrimmed booklets where the face edges have the natural variation of a multi-sheet saddle-stitched booklet. For applications where trimmed booklets are required, the Auto Book's integrated trim is a meaningful advantage. For the trimmer comparison that explains what trimming adds to finished quality, see our rotary trimmer comparison at EasyBlade vs EasyBlade Plus comparison.

How to Choose Between the Auto Book and Booklet Maker Jr — Step-by-Step

Step 1 — Estimate weekly booklet production volume

Under 200 booklets per week → Booklet Maker Jr may be adequate. 200 to 1,000 booklets per week → evaluate whether manual collating time is acceptable at this volume. Over 1,000 booklets per week → Auto Book's automated collating is almost certainly justified.

Step 2 — Assess booklet page count

1 to 2 sheets (4 to 8 pages) → manual collating is quick; Booklet Maker Jr appropriate. 4+ sheets (16+ pages) → manual collating becomes a significant time factor; Auto Book's automation produces major time savings.

Step 3 — Determine whether trimmed output is required

Internal or informal use → untrimmed is acceptable; Booklet Maker Jr is adequate. Client distribution, event programs, professional publications → trimmed output matters; Auto Book's integrated trim is appropriate.

Step 4 — Evaluate the capital investment

The Auto Book's investment is substantially higher than the Booklet Maker Jr. Calculate the labor cost saved by automated collating at your production volume and compare to the price premium to determine the payback period. For the full booklet maker selection context, see our guide at booklet maker selection tips.

Step 5 — Confirm saddle staple availability

Both machines require saddle staples — longer than standard desk staples — in specific cartridge formats. Confirm that the staple cartridge type for each machine model is readily available through your supply channels before purchasing. Proprietary staple cartridges that require special ordering create supply disruptions in production environments.

Quick Reference — Auto Book vs. Booklet Maker Jr

Troubleshooting

Auto Book is producing booklets with inconsistent staple placement

The sheet stack isn't feeding evenly — some sheets may be slightly misaligned before stitching. Confirm the sheet registration system is correctly set for the paper size and that the paper stack is jogged before loading.

Booklet Maker Jr folds are slightly off-center on multi-sheet booklets

Multi-sheet booklets have more material at the spine and less at the face — the fold plate setting for a 4-page booklet needs adjustment for an 8-page booklet. Adjust the fold plate stop for the actual sheet count, not the standard setting.

Auto Book integrated trimmer is leaving uneven face edges

The trimmer blade may be dull or the trim depth setting is insufficient to cut beyond the natural edge variation of the sheet stack. Increase trim depth by 1 to 2mm and replace the trimmer blade if cut quality is poor.

Booklet Maker Jr staples are not penetrating cleanly through thick booklets

The staple leg length is insufficient for the total sheet count at this machine's rated capacity. Confirm you're within the rated sheets-per-booklet capacity. Exceeding capacity produces staples that pierce but don't clinch fully, resulting in sharp protruding staple legs.

Neither machine is producing centered staples on the booklet fold

The paper center registration mark must align with the stitching heads. Confirm the paper registration guides are set to the correct position for the paper size being used. Even 1 to 2mm of registration error shifts the staple off the fold center.

Frequently Asked Questions

Can the Booklet Maker Jr be upgraded to add automated collating?
No — the collating mechanism is a fundamental architectural difference between the two machines. The Booklet Maker Jr's design doesn't support adding automated collating. If collating time becomes a bottleneck as your volume grows, the step up is to replace the machine rather than upgrade it.

What's the maximum booklet page count for each machine?
Maximum page counts depend on the specific machine model generation and paper weight. Confirm current specifications from MBM directly or through an authorized dealer. As a general guideline, saddle-stitched booklet capacity tops out at approximately 60 to 80 pages (30 to 40 sheets) for most desktop machines due to physical constraints of the saddle stitch format. For thicker booklets, perfect binding is more appropriate — see Fastback Model 9 perfect binding.

Is MBM a reliable brand for booklet-making equipment?
MBM (formerly Baumfolder's binding division) is a well-regarded manufacturer with a long history in professional binding and paper handling equipment. Their machines are used in commercial print and institutional environments that require reliable sustained production performance. For binding brand context, see binding equipment brands to consider.

Does the Auto Book handle legal-size paper?
Paper size capability depends on the specific Auto Book model. Many MBM booklet makers handle letter-size as their primary format. Confirm legal-size (or A3/tabloid for larger format booklets) capability directly with MBM specifications before purchasing for applications requiring non-letter inputs.

Can saddle-stitched booklet quality compete with commercially printed booklets?
At low page counts (4 to 16 pages) on quality paper with a good trimmer, in-house saddle-stitched booklets are visually comparable to commercial printing for most audiences. The distinguishing differences are typically in print quality (digital printer vs. offset press) rather than the binding quality. For full booklet making context, see booklet maker selection tips.